Skip to Content

Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 53.6
edited by Admin
on 2025/06/19 10:22
Change comment: There is no comment for this version
To version 78.2
edited by Admin
on 2026/03/31 14:26
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -12,47 +12,35 @@
12 12  
13 13  In this section:
14 14  
15 -* Cell capacity – nominal capacity of cells, Ah;
16 -* Cell resistance – nominal (maximum) internal resistance of the cells, Ohm;
17 -* Relax time (after charging) – a relaxation time after charging, second;
18 -* Relax time (atfer discharging) – a relaxation time after discharging, second;
19 -* Reset parameters – a command to reset cells state of charge, capacity, and resistance;
20 -* Method of calculating the battery voltage:
21 -** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
22 -** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
15 +* **Cell capacity** – nominal capacity of cells, Ah;
16 +* **Cell resistance** – nominal (maximum) internal resistance of the cells, Ohm;
17 +* **Connection of cells:**
18 +** **Serial **– all cells are connected in series in a single string.
19 +** **Parallel-Serial **– cells are grouped in parallel and serial items;
20 +* **Parallel-Serial: Number of Logic devices in a chain**;
21 +* **Parallel-Serial: Number of parallel chains in a block**;
22 +* **Parallel-Serial: Number of serial blocks in a string**;
23 +* **Relax time (after charging)** – a relaxation time after charging, second;
24 +* **Relax time (atfer discharging)** – a relaxation time after discharging, second;
25 +* **Reset SOC** – a command to reset cells state of charge. New cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section;
26 +* **Reset resistance** – a command to reset cells resistance to “Cell resistance” value;
27 +* **Reset capacity** – a command to reset cells capacity to “Cell capacity” value;
28 +* **Method of calculating the battery voltage***:
29 +** **Summation of cell voltages** – the overall voltage is calculated as on sum of all cells in the battery;
30 +** **Using voltage before contactors** – the overall voltage is estimated as voltage before contactors measured by BMS.
23 23  
24 -The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
32 +The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be estimated as a fraction of overall current accordingly to the number of chains in a block.
25 25  
26 -The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
34 +The values **“Capacity”** and **“Resistance”** are used to calculate the SOC of cells and the battery.
27 27  
28 -The “Reset parameters” will reset:
36 +The values of **“Relax time”** are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
29 29  
30 -* state of charge (new cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section);
31 -* cell resistance to “Cell resistance” value;
32 -* battery capacity to “Cell capacity” value.
38 +The **“Reset SOC”, "Reset resistance" **and **"Reset capacity"** command is used for starting-up and adjustment of the battery.
33 33  
34 -The “Reset parameters” command is used for starting-up and adjustment of the battery.
35 -
36 36  === SOC estimation ===
37 37  
38 -The BMS Main 3 device calculates the state of charge of the battery (SOC) using two algorithms:
42 +The BMS Main 3 / BMS Main 2R device calculates the state of charge (SOC) of each cell, and then the overall battery SOC, by using following algorithms:
39 39  
40 -* by open circuit voltage;
41 -* by voltage and current.
42 -
43 -It is recommended to use the algorithm of calculation of SOC by voltage and current.
44 -
45 -To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
46 -
47 -
48 -[[image:1735056107942-306.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
49 -
50 -The following estimation algorithms supported:
51 -
52 -* Voltage – by open circuit voltage;
53 -* Current and voltage (simplified) – recommended for LFP cells;
54 -* Current and voltage (enhanced) – recommended for NMC cells.
55 -
56 56  The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
57 57  
58 58  The **“Current and voltage (simplified)”** SOC calculation algorithm works as follows:
... ... @@ -62,32 +62,34 @@
62 62  
63 63  The **“Current and voltage (enhanced)” **SOC calculation algorithm differs from the simplified algorithm by online correction of the effective capacity. When using this algorithm, it is necessary to fine tune the tabular dependence Uocv = Uocv (SOC, t °C).
64 64  
65 -To change the algorithm for calculating the Final SOC, select the "Control → SOC estimation → Final SOC" section:
53 +To change the algorithm for calculating the SOC, select the "Control → SOC estimation" section:
66 66  
67 67  [[image:1733322611551-852.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="148" width="800"]]
68 68  
69 -The following calculation methods are supported (“Final SOC”):
57 +In this section:
70 70  
71 -* Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
72 -* Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
73 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
74 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
59 +* **Algorithm:**
60 +** **Voltage **– by open circuit voltage;
61 +** **Current and voltage (simplified)** – recommended for LFP cells;
62 +** **Current and voltage (enhanced)** – recommended for NMC cells:
63 +* **Final SOC** – method of calculating overall SOC of battery:
64 +** **Minimal SOC** – the battery SOC is assumed to be the minimum SOC among the cells;
65 +** **Average SOC** – the battery SOC is taken equal to the arithmetic average of the cell SOC;
66 +** **Min-Max SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells (recommended). Final SOC will be a) 100% if __any cell__ has 100% SOC, b) 0% if __any cell__ has 0% SOC;
67 +** **Max-Min SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if __all cells__ have 100% SOC, b) 0% if __all// //cells__ have 0% SOC.
68 +* **Scale the final SOC** – a flag to scale the battery SOC by the following values;
69 +* **SOC corresponding to 0%** – the battery SOC that sets to be 0%;
70 +* **SOC corresponding to 100%** – the battery SOC that sets to be 100%.
71 +* **Uocv (open-circuit voltage) table** – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
72 +* **Linear zone** - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
73 +** **Linear zone: point 1** – starting point of the Uocv linear zone;
74 +** **Linear zone: point 2** – ending point of the Uocv linear zone;
75 +* **Coulomb counting correction (temperature)** – the dependence of battery capacity on temperature;
76 +* **Coulomb counting correction (cycles)** – the dependence of battery capacity on the number of charge-discharge cycles.
75 75  
76 -Other parameters:
77 -
78 -* Scale the final SOC – a flag to scale the battery SOC by the following values;
79 -* SOC corresponding to 0% – the battery SOC that sets to be 0%;
80 -* SOC corresponding to 100% – the battery SOC that sets to be 100%.
81 -* Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
82 -* Linear zone - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
83 -** Linear zone: point 1 – starting point of the Uocv linear zone;
84 -** Linear zone: point 2 – ending point of the Uocv linear zone;
85 -* Coulomb counting correction (temperature) – the dependence of battery capacity on temperature;
86 -* Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles.
87 -
88 88  === SOC correction ===
89 89  
90 -The BMS Main 3 device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
80 +The BMS Main 3 / BMS Main 2R device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
91 91  
92 92  To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section:
93 93  
... ... @@ -95,13 +95,31 @@
95 95  
96 96  In this section:
97 97  
98 -* Enable – a flag to enable the SOC correction;
99 -* Shutdown period – a time the battery is off, day. If the BMS detects on its startup that it was off during the “Shutdown period” time, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t);
100 -* Correction period – a period of correcting the battery SOC, day. If the BMS detects that the last correction was more than the “Correction period” ago, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t) and tunes it gradually during the “SOC change time”.
101 -* SOC change time – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute;
102 -* Ignore the linear zone – a flag to ignore linear SOC zone while correction (recommended to be unset);
103 -* Last correction timestamp – time when last correction was made.
88 +* **Enable **– a flag to enable the SOC correction;
89 +* **Shutdown period** – a time the battery is off, day. If the BMS detects on its startup that it was off during the “Shutdown period” time, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t);
90 +* **Correction period** – a period of correcting the battery SOC, day. If the BMS detects that the last correction was more than the “Correction period” ago, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t) and tunes it gradually during the “SOC change time”.
91 +* **SOC change time** – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute;
92 +* **Ignore the linear zone** – a flag to ignore linear SOC zone while correction (recommended to be unset);
93 +* **Last correction timestamp** – time when last correction was made.
104 104  
95 +=== SOH estimation ===
96 +
97 +The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
98 +
99 +In **"By effective capacity" **mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge.
100 +
101 +In** "By total charge–"** mode SOH is calculated as a linear function of "Total charge-" counter. While "Total charge-" constantly increases during battery operation, SOH will be linearly decrease at the same time. This mode requires a confirmed data about cell health depending of amount of discharge rate to configure the linear function.
102 +
103 +To configure parameters for battery state of health calculation, select the "Control → SOH correction" section:
104 +
105 +[[image:1765447975228-766.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]In this section:
106 +
107 +* **Algorithm:**
108 +** **By effective capacity;**
109 +** **By total charge–;**
110 +* **Total charge: Charge–** –  total amount of charge– for expected SOH;
111 +* **Total charge: SOH** – expected SOH value at the total amount of charge–.
112 +
105 105  === Resistance estimation ===
106 106  
107 107  Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value
... ... @@ -134,16 +134,18 @@
134 134  
135 135  In this section:
136 136  
137 -* Current stabilization time, millisecond;
138 -* Maximum calculation period – maximum time between resistance measurements. If more time has elapsed since the last determination of the stabilized current I,,stable,, than is determined in this field, the resistance calculation is not performed, second;
139 -* Maximum resistance factor – the coefficient of calculation of the maximum acceptable resistance of the cell;
140 -* Minimum SOC – minimum cell SOC value for resistance calculation;
141 -* Maximum SOC – maximum cell SOC value for resistance calculation.
145 +* **Current stabilization time**, millisecond;
146 +* **Maximum calculation period** – maximum time between resistance measurements. If more time has elapsed since the last determination of the stabilized current I,,stable,, than is determined in this field, the resistance calculation is not performed, second;
147 +* **Maximum resistance factor** – the coefficient of calculation of the maximum acceptable resistance of the cell;
148 +* **Minimum SOC** – minimum cell SOC value for resistance calculation;
149 +* **Maximum SOC** – maximum cell SOC value for resistance calculation.
142 142  
143 143  The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance / 2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
144 144  
145 145  === Low SOC (signal) ===
146 146  
155 +The "Low SOC" is indicative signal that can be assigned to a discrete output or a power switch.
156 +
147 147  To change the parameters of the generation a signal about low battery level, select the "Control → Low SOC (signal)" section:
148 148  
149 149  [[image:1733322624660-513.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
... ... @@ -150,12 +150,12 @@
150 150  
151 151  In this section:
152 152  
153 -* Enable – a flag to enable signal generation;
154 -* Minimum SOC, %;
155 -* Tolerant SOC, %;
156 -* Delay before setting the signal, second;
157 -* Delay before clearing the signal, second;
158 -* Lock – lock the signal until the device is reset.
163 +* **Enable **– a flag to enable signal generation;
164 +* **Minimum SOC**, %;
165 +* **Tolerant SOC**, %;
166 +* **Delay before setting the signal**, second;
167 +* **Delay before clearing the signal**, second;
168 +* **Lock** – lock the signal until the device is reset.
159 159  
160 160  Signal generation conditions:
161 161  
... ... @@ -165,13 +165,10 @@
165 165  
166 166  * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
167 167  
168 -(% class="box infomessage" %)
169 -(((
170 -The "Low SOC signal" is indicative and can be output to a discrete output or a power switch.
171 -)))
172 -
173 173  === High charging current (signal) ===
174 174  
180 +The "High charging current" is indicative signal that can be output to a discrete output or a power switch.
181 +
175 175  To change the parameters of the generation high-current signal, select the "Control → High charging current (signal)" section:
176 176  
177 177  [[image:1733322624661-915.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="107" width="800"]]
... ... @@ -178,12 +178,12 @@
178 178  
179 179  In this section:
180 180  
181 -* Enable – a flag to enable signal generation;
182 -* Maximum charging current, А;
183 -* Tolerant charging current, А;
184 -* Delay before setting the signal, second;
185 -* Delay before clearing the signal, second;
186 -* Lock – lock the signal until the device is reset.
188 +* **Enable **– a flag to enable signal generation;
189 +* **Maximum charging current**, А;
190 +* **Tolerant charging current**, А;
191 +* **Delay before setting the signal**, second;
192 +* **Delay before clearing the signal**, second;
193 +* **Lock **– lock the signal until the device is reset.
187 187  
188 188  Signal generation conditions:
189 189  
... ... @@ -193,14 +193,9 @@
193 193  
194 194  * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
195 195  
196 -(% class="box infomessage" %)
197 -(((
198 -The "High charging current" signal is indicative and can be output to a discrete output or a power switch.
199 -)))
200 -
201 201  === Charge map ===
202 202  
203 -The BMS Main 3 device calculates the maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
205 +The BMS Main 3 / BMS Main 2R device calculates the maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
204 204  
205 205  Calculated current values are sent to a charger or an intellectual load over the CAN bus. External devices based on received data provide correct battery operation.
206 206  
... ... @@ -210,17 +210,17 @@
210 210  
211 211  In this section:
212 212  
213 -* Enable – a flag to start calculation of the charge current limit;
214 -* Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
215 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
216 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
217 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
218 -* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
219 -* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
220 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
221 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
222 -* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
223 -* Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
215 +* **Enable **– a flag to start calculation of the charge current limit;
216 +* **Maximum charge current** – a maximum allowable value of the charge current (under normal conditions), A;
217 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s;
218 +* **Option 1: Limit charge current by the battery SOC and temperature** – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
219 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature;
220 +* **Option 2: Limit charge current by the contactor temperature** – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
221 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature;
222 +* **Option 3: Limit charge current by the maximum cell voltage** – a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
223 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on maximum cell voltage;
224 +* **Option 4: Limit charge current by the cell temperature** – a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
225 +* **Option 4: Cell temperature x Factor** – the dependence of the correction factor on maximum cell temperature.
224 224  
225 225  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
226 226  
... ... @@ -228,7 +228,7 @@
228 228  
229 229  === Discharge map ===
230 230  
231 -The BMS Main 3 device calculates the maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
233 +The BMS Main 3 / BMS Main 2R device calculates the maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
232 232  
233 233  Calculated current values are sent to a charger or an intellectual load over the CAN bus.
234 234  
... ... @@ -238,17 +238,17 @@
238 238  
239 239  In this section:
240 240  
241 -* Enable – a flag to start calculation of the discharge current limit;
242 -* Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
243 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
244 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
245 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
246 -* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
247 -* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
248 -* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
249 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
250 -* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
251 -* Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
243 +* **Enable **– a flag to start calculation of the discharge current limit;
244 +* **Maximum discharge current** – a maximum allowable value of the discharge current (under normal conditions), A;
245 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s;
246 +* **Option 1: Limit discharging current by the battery SOC and temperature** – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
247 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature;
248 +* **Option 2: Limit discharge current by the contactor temperature** – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
249 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature;
250 +* **Option 3: Limit discharge current by the cell voltage** – a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
251 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on minimum cell voltage;
252 +* **Option 4: Limit discharge current by the cell temperature** – a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
253 +* **Option 4: Cell voltage x Factor** – the dependence of the correction factor on minimum cell temperature.
252 252  
253 253  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
254 254  
... ... @@ -256,7 +256,7 @@
256 256  
257 257  === Charge map (PEAK & CONTINUOUS) ===
258 258  
259 -The BMS Main 3 has an alternative algorithm for the maximum allowed charging current based on peak and continuous battery operating modes.
261 +The BMS Main 3 / BMS Main 2R has an alternative algorithm for the maximum allowed charging current based on peak and continuous battery operating modes.
260 260  
261 261  To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section:
262 262  
... ... @@ -264,26 +264,26 @@
264 264  
265 265  In this section:
266 266  
267 -* Enable – a flag to start calculation of the charge current limit;
268 -* Maximum PEAK charge current – a maximum peak charge current (under normal conditions), A;
269 -* Maximum CONTINUOUS charge current – a maximum continuous charge current (under normal conditions), A;
270 -* PEAK: SOC x Temperature x Factor – the dependence of the correction factor for peak current K,,cp,, on SOC and battery temperature;
271 -* CONTINUOUS: SOC x Temperature x Factor – the dependence of the correction factor for continuous current K,,cc,, on SOC and battery temperature;
272 -* PEAK time – a time for peak current to be allowed, s;
273 -* Sliding time – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
274 -* Waiting time – a time for peak current to be prohibited, s.
269 +* **Enable **– a flag to start calculation of the charge current limit;
270 +* **Maximum PEAK charge current** – a maximum peak charge current (under normal conditions), A;
271 +* **Maximum CONTINUOUS charge current** – a maximum continuous charge current (under normal conditions), A;
272 +* **PEAK: SOC x Temperature x Factor** – the dependence of the correction factor for peak current K,,cp,, on SOC and battery temperature;
273 +* **CONTINUOUS: SOC x Temperature x Factor** – the dependence of the correction factor for continuous current K,,cc,, on SOC and battery temperature;
274 +* **PEAK time** – a time for peak current to be allowed, s;
275 +* **Sliding time** – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
276 +* **Waiting time** – a time for peak current to be prohibited, s.
275 275  
276 276  The maximum charging current value equals to the peak or continuous current according to the following diagram:
277 277  
278 278  [[image:1733322717451-608.png||data-xwiki-image-style-alignment="center"]]
279 279  
280 -I,,peak,, = Maximum PEAK charge current × K,,cp,,
282 +**I,,peak,, = Maximum PEAK charge current × K,,cp,,**
281 281  
282 -I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,
284 +**I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,**
283 283  
284 284  === Discharge map (PEAK & CONTINUOUS) ===
285 285  
286 -The BMS Main 3 has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes.
288 +The BMS Main 3 / BMS Main 2R has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes.
287 287  
288 288  To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section:
289 289  
... ... @@ -291,45 +291,42 @@
291 291  
292 292  In this section:
293 293  
294 -* Enable – a flag to start calculation of the discharge current limit;
295 -* Maximum PEAK discharge current – a maximum peak discharge current (under normal conditions), A;
296 -* Maximum CONTINUOUS discharge current – a maximum continuous discharge current (under normal conditions), A;
297 -* PEAK: SOC x Temperature x Factor – the dependence of the correction factor for peak current K,,dp,, on SOC and battery temperature;
298 -* CONTINUOUS: SOC x Temperature x Factor – the dependence of the correction factor for continuous current K,,dc,, on SOC and battery temperature;
299 -* PEAK time – a time for peak current to be allowed, s;
300 -* Sliding time – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
301 -* Waiting time – a time for peak current to be prohibited, s.
296 +* **Enable **– a flag to start calculation of the discharge current limit;
297 +* **Maximum PEAK discharge current** – a maximum peak discharge current (under normal conditions), A;
298 +* **Maximum CONTINUOUS discharge current** – a maximum continuous discharge current (under normal conditions), A;
299 +* **PEAK: SOC x Temperature x Factor** – the dependence of the correction factor for peak current K,,dp,, on SOC and battery temperature;
300 +* **CONTINUOUS: SOC x Temperature x Factor** – the dependence of the correction factor for continuous current K,,dc,, on SOC and battery temperature;
301 +* **PEAK time** – a time for peak current to be allowed, s;
302 +* **Sliding time** – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
303 +* **Waiting time** – a time for peak current to be prohibited, s.
302 302  
303 303  The maximum discharging current value equals to the peak or continuous current according to following diagram:
304 304  
305 305  [[image:1733322753429-968.png||data-xwiki-image-style-alignment="center"]]
306 306  
307 -I,,peak,, = Maximum PEAK discharge current × K,,dp,,
309 +**I,,peak,, = Maximum PEAK discharge current × K,,dp,,**
308 308  
309 -I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,
311 +**I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,**
310 310  
311 311  === Main contactor ===
312 312  
313 -The BMS Main 3 device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
315 +The BMS Main 3 / BMS Main 2R device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
314 314  
315 315  The Main contactor algorithm supports the following modes:
316 316  
317 -* Always on;
318 -* Automatic.
319 +In **“Always on”** mode main contactor closes if all the following is true:
319 319  
320 -In “Always on” mode main contactor closes if all the following is true:
321 -
322 322  * Other contactors are open;
323 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
322 +* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
324 324  
325 -In “Always on” mode main contactor opens if all the following is true:
324 +and opens if all the following is true:
326 326  
327 327  * Other contactors are open;
328 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
327 +* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
329 329  
330 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
329 +In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
331 331  
332 -In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
331 +In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
333 333  
334 334  (% class="box infomessage" %)
335 335  (((
... ... @@ -342,31 +342,35 @@
342 342  
343 343  In this section:
344 344  
345 -* Enable – a flag to enable the main contactor control;
346 -* Algorithm – main contactor control algorithm:
347 -** Always on – contactor is always closed;
348 -** Automatic – contactor closes by internal charge and discharge algorithms;
349 -** On demand – contactor is closed by an external request;
350 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
351 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
352 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
353 -* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
344 +* **Enable **– a flag to enable the main contactor control;
345 +* **Algorithm** – main contactor control algorithm:
346 +** **Always on** – contactor is always closed;
347 +** **Automatic** – contactor closes by internal charge and discharge algorithms;
348 +** **On demand** – contactor is closed by an external request;
349 +* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed;
350 +* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s;
351 +* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset;
352 +* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor.
354 354  
355 355  === Charging status ===
356 356  
357 357  To change the parameters of charging process status, select the "Control → Charging status" section:
358 358  
359 -[[image:1750261016583-434.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
358 +[[image:1771432488941-251.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="800"]]
360 360  
361 361  In this section:
362 362  
363 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
364 -* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
365 -* Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
366 -* Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
367 -* Treat negative currents as zero currents for generating the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal at discharging current;
368 -* Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
369 -* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
362 +* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A;
363 +* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A;
364 +* **Voltage to clear the “Ready to charge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
365 +* **Voltage to reset the “Ready to charge”** – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
366 +* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal;
367 +* **Treat negative currents as zero currents for generating the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal at discharging current;
368 +* **Delay before recharging** – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
369 +* **Check the 'Charge current limit' value to generate the 'Ready to charge'** – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
370 +* **Charge current limit to clear the 'Ready to charge'** – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
371 +* **Charge current limit to set the 'Ready to charge'** – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
372 +* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal.
370 370  
371 371  (% class="box infomessage" %)
372 372  (((
... ... @@ -379,42 +379,54 @@
379 379  
380 380  To change the parameters of discharging process status, select the "Control → Discharging status" section:
381 381  
382 -[[image:1750261289590-730.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]
385 +[[image:1771431570393-551.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
383 383  
384 384  In this section:
385 385  
386 -* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
387 -* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
388 -* Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
389 -* Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
390 -* Treat positive currents as zero currents for generating the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal at charging current;
391 -* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
389 +* **Current to set the "Discharging current present"** – a current level to generate the "Discharging current present" signal, А;
390 +* **Current to clear the "Discharging current present"** – a current level to clear the "Discharging current present" signal, А;
391 +* **Voltage to clear the “Ready to discharge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
392 +* **Voltage to reset the “Ready to discharge”** – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
393 +* **Use actual voltage to generate the "Ready to discharge" signal** – a flag to disable voltage correction for "Ready to discharge" signal;
394 +* **Treat positive currents as zero currents for generating the "Ready to discharge" signal** – a flag to disable voltage correction for "Ready to discharge" signal at charging current;
395 +* **Check the 'Discharge current limit' value to generate the 'Ready to discharge'** – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
396 +* **Discharge current limit to clear the 'Ready to discharge'** – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
397 +* **Discharge current limit to set the 'Ready to discharge'** – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
398 +* **Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set**;
399 +* **Errors 1, 2 to clear the "Ready to discharge"** – bitfields to choose the errors which will clear the "Ready to discharge" signal.
392 392  
393 393  === Precharge ===
394 394  
395 -The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
403 +The BMS Main 3 / BMS Main 2R device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
396 396  
397 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
405 +BMS Main 3 can detect errors while pre-charging the load capacity by monitoring **the current and voltage difference** before and after contactors.
398 398  
399 -TBA
407 +BMS Main 2R can detect errors while pre-charging the load capacity **only by monitoring the current**.
400 400  
409 +In **simple **mode precharge contactor closes a "Precharge time" before the closing of Charge or Discharge contactors and opens after the same amount of time after closing them.
410 +
411 +In **enhanced **mode precharge contactor will wait until the current of voltage difference requirements are met and close the Charge or Discharge contactors only after that. If waiting time is greater than "Precharge time" value, an error will be generated. Precharge contactor will open after "Precharge time" after closing the Charge of Discharge contactors.
412 +
413 +Also BMS Main 3 / BMS Main 2R can measure the power dissipated on precharge resistor and generate an error if it is greater than configured limit.
414 +
401 401  To change the parameters of precharge contactor, select the "Control → Precharge" section:
402 402  
403 403  [[image:1750328428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
404 404  
405 -* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
406 -* Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
407 -* Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
408 -* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
409 -* Delay before current measurement, millisecond;
410 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
411 -* Relaxation between attempts – a duration between precharge attempts, millisecond;
412 -* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
413 -* Precharge resistor resistance, Ohm;
414 -* Maximum allowable power dissipated in the resistor, W;
415 -* Delay before setting the "Precharge error" when checking power, millisecond;
416 -* Delay before clearing the "Precharge error", second;
417 -* Lock the "Precharge error" – a flag to block the error until the device is restarted.
419 +* **Precharge current threshold to finish precharging **– a minimum current value at which precharging process assumed to be finished, A;
420 +* **Check voltages before and after contactors to finish precharging **– a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
421 +* **Minimum voltage difference to finish precharging** – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
422 +* **Keep the precharging relay closed until precharge is finished** – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
423 +* **Number of precharging attempts** – maximum number of precharging attempts before setting the "Precharge error";
424 +* **Delay before current measurement** – a delay before first current measurement after closing precharge, millisecond;
425 +* **Precharge time **– a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
426 +* **Relaxation between attempts **– a duration between precharge attempts, millisecond;
427 +* **Check the power dissipated in the preacharge resistor** - a flag to enable the calculation of power dissipated in precharge resistor;
428 +* **Precharge resistor resistance**, Ohm;
429 +* **Maximum allowable power dissipated in the resistor**, W;
430 +* **Delay before setting the "Precharge error" when checking power**, millisecond;
431 +* **Delay before clearing the "Precharge error"**, second;
432 +* **Lock the "Precharge error"** – a flag to block the error until the device is restarted.
418 418  
419 419  “Precharge error” generation conditions if any of the following is true:
420 420  
... ... @@ -429,14 +429,10 @@
429 429  
430 430  === Charge ===
431 431  
432 -There are two contactors that serve charging the battery: a charging contactor and an allow charging contactor. With the help of the allow charging contactor, the BMS commands the charger to start or stop charging.
447 +There are two signals that serve charging the battery: "Charging" and "Allow charging". With the help of the "Allow charging" signal, the BMS commands the charger to start or stop charging.
433 433  
434 -The device supports three charge control algorithms:
449 +BMS Main 3 / BMS Main 2R supports three charge control algorithms:
435 435  
436 -* Always on – charging is always allowed;
437 -* On charger connected – charging is allowed when there is a signal “Charger connected”;
438 -* On charge request – charging is allowed when there is a signal “Charge request”.
439 -
440 440  If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
441 441  
442 442  * Service reset;
... ... @@ -448,16 +448,12 @@
448 448  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
449 449  
450 450  * If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
451 -* If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
452 -* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
453 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
462 +* If the signal “Charger connected” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens.
454 454  
455 455  When the "**On charge request**" algorithm selected, the control is performed as follows:
456 456  
457 457  * If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
458 -* If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
459 -* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
460 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
467 +* If the signal “Charge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
461 461  
462 462  (% class="box infomessage" %)
463 463  (((
... ... @@ -470,30 +470,26 @@
470 470  
471 471  In this section:
472 472  
473 -* Enable – a flag to activate the charge control;
474 -* Algorithm:
475 -** Always on – charging is always allowed;
476 -** On charger connected – charging is allowed when there is a signal “Charger connected”;
477 -** On charge request – charging is allowed when there is a signal “Charge request”;
478 -* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
479 -* Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
480 -* Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
481 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);
482 -* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
483 -* Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
484 -* Custom delay: <error> – delay for specific error, millisecond;
485 -* Switch off the charging contactor on errors without delay – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
480 +* **Enable **– a flag to activate the charge control;
481 +* **Algorithm**:
482 +** **Always on** – charging is always allowed;
483 +** **On charger connected** – charging is allowed when there is a signal “Charger connected”;
484 +** **On charge request** – charging is allowed when there is a signal “Charge request”;
485 +* **Allow charging only when the "Ready to charge" signal is set** – charging contactor will open if "Ready to charge" signal is cleared;
486 +* **Delay before starting charging** – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
487 +* **Delay before stopping charging** – a time delay T,,off,, before opening the charging contactor, millisecond;
488 +* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);
489 +* **Errors 1, 2 to open the charging contactor** – bitfields to choose the errors which will open the charging contactor;
490 +* **Use custom delays before stopping charging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
491 +* **Custom delay: <error>** – delay for specific error, millisecond;
492 +* **Switch off the charging contactor on errors without delay** – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
486 486  
487 487  === Discharge ===
488 488  
489 -The device controls the discharging contactor to connect battery to the load.
496 +The BMS Main 3 / BMS Main 2R device controls the discharging contactor to connect battery to the load.
490 490  
491 -The device supports three algorithms to control battery discharging:
498 +BMS Main 3 / BMS Main 2R supports three algorithms to control battery discharging:
492 492  
493 -* Always on – load is always connected;
494 -* On charger disconnected – load is connected when there is no signal “Charger connected”;
495 -* On discharge request – load is connected when there is signal “Discharge request”.
496 -
497 497  When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
498 498  
499 499  * Service reset
... ... @@ -523,32 +523,45 @@
523 523  
524 524  In this section:
525 525  
526 -* Enable – a flag to activate the discharge control;
527 -* Algorithm:
528 -** Always on – load is always connected;
529 -** On charger disconnected – load is connected when there is no signal “Charger connected”;
530 -** On discharge request – load is connected when there is signal “Discharge request”;
531 -* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
532 -* Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
533 -* Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
534 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);
535 -* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
536 -* Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
537 -* Custom delay: <error> – specific error delay, millisecond;
538 -* Switch off the discharging contactor on errors without delay – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
529 +* **Enable **– a flag to activate the discharge control;
530 +* **Algorithm**:
531 +** **Always on** – load is always connected;
532 +** **On charger disconnected** – load is connected when there is no signal “Charger connected”;
533 +** **On discharge request** – load is connected when there is signal “Discharge request”;
534 +* **Allow charging only when the "Ready to discharge" signal is set** – discharging contactor will open if "Ready to discharge" signal is cleared;
535 +* **Delay before starting discharging** – a time delay T,,on,, before closing the discharging contactor, millisecond;
536 +* **Delay before stopping discharging** – a time delay T,,off,, before opening the discharging contactor, millisecond;
537 +* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);
538 +* **Errors 1, 2 to open the discharging contactor** – bitfields to choose the errors which will open the discharging contactor;
539 +* **Use custom delays before stopping discharging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
540 +* **Custom delay: <error>** – specific error delay, millisecond;
541 +* **Switch off the discharging contactor on errors without delay** – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
539 539  
540 540  === Charge/Discharge ===
541 541  
542 -The BMS Main 3 device can control the charge/discharge contactor, which combines algorithms of charging and discharging contactor.
545 +The BMS Main 3 / BMS Main 2R device can control the Charge/Discharge contactor, which combines algorithms of charging and discharging contactor.
543 543  
544 544  Charge/Discharge contactor has three algorithms of operation:
545 545  
546 -* Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
547 -* Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
548 -* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
549 +On **Dependent (on Charging and Discharging signals)** algorithm the charge/discharge contactor depends on Charge and Discharge controllers and behaves:
549 549  
550 -TBA
551 +* as Charging contactor if "Charging" signal is set;
552 +* as Discharging contactor in other cases.
551 551  
554 +When **Independent (Always) **algorithm is selected, the charging/discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
555 +
556 +* Service reset
557 +* Power down request
558 +* Inhibit charging
559 +* Inhibit discharging
560 +
561 +the charging/discharging contactor opens.
562 +
563 +On **Independent (on Charge request or Discharge request)** algorithm charge/discharge contactor is based on its own controller and performs as follows:
564 +
565 +* if there is "Charge request" or "Discharge request" signal and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging/discharging contactor closes;
566 +* If the "Charge request" or "Discharge request" disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the charging/discharging contactor opens.
567 +
552 552  (% class="box infomessage" %)
553 553  (((
554 554  **Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
... ... @@ -560,23 +560,23 @@
560 560  
561 561  In this section:
562 562  
563 -* Enable – a flag to enable the charge/discharge controller.
564 -* Algorithm:
565 -** Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
566 -** Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
567 -** Independent (on Charge request or Discharge request);
568 -* Delay before starting charging or discharging, millisecond;
569 -* Delay before stopping charging or discharging, millisecond;
570 -* Control the precharging contactor – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
571 -* Emulate the "Charging" and "Discharging" signals – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
572 -* Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
573 -* Errors 1, 2 which affect the contactor only if battery CHARGING is detected – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
574 -* Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
575 -* Switch off the charging/discharging contactor on errors without delay – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
579 +* **Enable **– a flag to enable the charge/discharge controller.
580 +* **Algorithm**:
581 +** **Dependent (on Charging and Discharging signals)** - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
582 +** **Independent (Always)** - Charge/Discharge contactor is always closed if there is no errors;
583 +** **Independent (on Charge request or Discharge request)**;
584 +* **Delay before starting charging or discharging**, millisecond;
585 +* **Delay before stopping charging or discharging**, millisecond;
586 +* **Control the precharging contactor** – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
587 +* **Emulate the "Charging" and "Discharging" signals** – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
588 +* **Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor** – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
589 +* **Errors 1, 2 which affect the contactor only if battery CHARGING is detected** – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
590 +* **Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected** – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
591 +* **Switch off the charging/discharging contactor on errors without delay** – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
576 576  
577 577  === Discharge (AUX) ===
578 578  
579 -The BMS Main 3 device can control the power supply of external equipment using the auxiliary (AUX) discharging contactor. An example of external equipment can be an inverter that converts DC to AC to power a service laptop and other devices.
595 +The BMS Main 3 / BMS Main 2R device can control the power supply of external equipment using the auxiliary (AUX) discharging contactor. An example of external equipment can be an inverter that converts DC to AC to power a service laptop and other devices.
580 580  
581 581  The power supply circuit of the external equipment using the auxiliary (AUX) discharging contactor is independent of the battery load circuit. The closing and opening of the auxiliary (AUX) discharging contactor is performed according to its program.
582 582  
... ... @@ -592,23 +592,23 @@
592 592  
593 593  In this section:
594 594  
595 -* Enable – a flag to activate the auxiliary discharge control;
596 -* Switch off the discharging (AUX) contactor if the SOC is too low;
597 -* Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
598 -* Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
599 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
600 -* Minimum cell voltage, V;
601 -* Maximum cell voltage, V;
602 -* Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
603 -* Minimum battery voltage, V;
604 -* Maximum battery voltage, V;
605 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
611 +* **Enable **– a flag to activate the auxiliary discharge control;
612 +* **Switch off the discharging (AUX) contactor if the SOC is too low**;
613 +* **Minimum SOC** – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
614 +* **Tolerant SOC** – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
615 +* **Switch off the discharging (AUX) contactor if the cell voltage is out of the range**;
616 +* **Minimum cell voltage**, V;
617 +* **Maximum cell voltage**, V;
618 +* **Switch off the discharging (AUX) contactor if the battery voltage is out of the range**;
619 +* **Minimum battery voltage**, V;
620 +* **Maximum battery voltage**, V;
621 +* **Errors 1, 2 to open the auxiliary discharging contactor** – bitfields to choose the errors which will open the auxiliary discharging contactor.
606 606  
607 607  === Cell balancing ===
608 608  
609 609  Balancing makes the voltage of all cells equal to the minimum cell voltage.
610 610  
611 -The following balancing rules are supported:
627 +The following **balancing rules** are supported:
612 612  
613 613  * when the battery is charging (current I > 0) and time after until the battery is relaxed;
614 614  * when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
... ... @@ -629,9 +629,9 @@
629 629  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
630 630  )))
631 631  
632 -The BMS Main 3 can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
648 +The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
633 633  
634 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value.
650 +BMS Main 3 / BMS Main 2R can force a cell balancing, if its voltage is higher than estimated value.
635 635  
636 636  To change the cell balancing parameters, select the "Control → Cell balancing" section:
637 637  
... ... @@ -639,24 +639,25 @@
639 639  
640 640  In this section:
641 641  
642 -* Enable – a flag to enable cell balancing;
643 -* Balancing rule:
644 -** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
645 -** Balance on charge or relaxed - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
646 -** Balance always – balancing is always performed regardless the battery state;
647 -* Balancing condition:
648 -** Automatic – balancing will be performed automatically if needed conditions are met;
649 -** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
650 -* Minimum cell voltage to start balancing, V;
651 -* Voltage deviation to start balancing;
652 -* Voltage deviation to stop balancing;
653 -* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
654 -* Maximum allowable temperature of BMS Logic devices, ºC;
655 -* Command to discharge all cells – a flag to force the balancing of all cells.
658 +* **Enable **– a flag to enable cell balancing;
659 +* **Balancing rule**:
660 +** **Balance on charge** – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
661 +** **Balance on charge or relaxed** - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
662 +** **Balance always** – balancing is always performed regardless the battery state;
663 +* **Balancing condition**:
664 +** **Automatic **– balancing will be performed automatically if needed conditions are met;
665 +** **On balancing request** – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
666 +* **Minimum cell voltage to start balancing**, V;
667 +* **Voltage deviation to start balancing**;
668 +* **Voltage deviation to stop balancing**;
669 +* **Voltage to start forced balancing** – if cell voltage is above this value, it will start discharging through balancing resistor;
670 +* **Voltage to stop forced balancing** – if cell voltage is below this value, it will stop discharging through balancing resistor;
671 +* **Maximum allowable temperature of BMS Logic devices**, ºC;
672 +* **Command to discharge all cells** – a flag to force the balancing of all cells.
656 656  
657 657  === Series balancing ===
658 658  
659 -The BMS Main 3 device supports work with two independent (galvanically unrelated) cell series. To monitor the status of two series, two current sensors are used. A series of cells must be equivalent: they must have the same number of cells and the same capacity.
676 +The BMS Main 3 / BMS Main 2R device supports work with two independent (galvanically unrelated) cell series. To monitor the status of two series, two current sensors are used. A series of cells must be equivalent: they must have the same number of cells and the same capacity.
660 660  
661 661  Since the series of cells can operate at different loads, they must be balanced. For this, the BMS Main 3 provides two signals to power switches: “Balancing series 1” and “Balancing series 2”, as well as a combined algorithm that considers both the voltage of each series and the charge that these series gave load. The “Balancing series 1” and “Balancing series 2” signals are used to connect high-power balancing resistors in parallel with cell series 1 and 2.
662 662  
... ... @@ -673,17 +673,17 @@
673 673  
674 674  In this section:
675 675  
676 -* Enable – a flag to enable series balancing;
677 -* Number of Logics in a series;
678 -* Minimum series voltage to start balancing, V;
679 -* Balancing threshold, V;
680 -* Coulomb threshold – the difference of the charges Qthr, given by a series of cells, above which balancing to be started, Ah;
681 -* Period – a period to reset of charge counters for each series (to avoid accumulation of error), second;
682 -* Do not sum series voltages – a flag to disable the summing of series voltages.3
693 +* **Enable **– a flag to enable series balancing;
694 +* **Number of Logics in a series**;
695 +* **Minimum series voltage to start balancing**, V;
696 +* **Balancing threshold**, V;
697 +* **Coulomb threshold** – the difference of the charges Qthr, given by a series of cells, above which balancing to be started, Ah;
698 +* **Period **– a period to reset of charge counters for each series (to avoid accumulation of error), second;
699 +* **Do not sum series voltages** – a flag to disable the summing of series voltages.
683 683  
684 684  === Power down ===
685 685  
686 -The BMS Main 3 device can shut down itself if the battery voltage is low or the battery is idle for a long time.
703 +The BMS Main 3 / BMS Main 2R device can shut down itself if the battery voltage is low or the battery is idle for a long time.
687 687  
688 688  Shutting down the battery system is performed according to the following conditions:
689 689  
... ... @@ -698,11 +698,11 @@
698 698  
699 699  In this section:
700 700  
701 -* Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
702 -* Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
703 -* Wait the "Power up/down request" is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
704 -* Power down if KEYRUN and CHARGE_ON are cleared – a flag to power down the device if KEYRUN and CHARGE_ON signals are cleared;
705 -* Delay before setting the internal power down signal – a delay before turning off the device power when removing KEYRUN and CHARGE_ON or receiving the “Power down request” command, ms.
718 +* **Minimum voltage to power down** – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
719 +* **Idle time to power down** – a time of battery inactivity after which the battery is shut down, minute;
720 +* **Wait the "Power up/down request" is cleared (on startup)** – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
721 +* **Power down if KEYRUN and CHARGE_ON are cleared** – a flag to power down the device if KEYRUN and CHARGE_ON signals are cleared;
722 +* **Delay before setting the internal power down signal** – a delay before turning off the device power when removing KEYRUN and CHARGE_ON or receiving the “Power down request” command, ms.
706 706  
707 707  === Heater ===
708 708  
... ... @@ -712,22 +712,24 @@
712 712  
713 713  In this section:
714 714  
715 -* Enable – a flag to enable the heater control;
716 -* Minimum cell temperature, °C;
717 -* Tolerant cell temperature, °C;
718 -* Delay before starting the heater, millisecond;
719 -* Delay before stopping the heater, millisecond;
720 -* Switch off the heater on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
732 +* **Enable **– a flag to enable the heater control;
733 +* **Minimum cell temperature**, °C;
734 +* **Tolerant cell temperature**, °C;
735 +* **Delay before starting the heater**, millisecond;
736 +* **Delay before stopping the heater**, millisecond;
737 +* **Errors 1, 2 to open the heater** – bitfields to choose the errors which will open the heater.
721 721  
722 722  As a result of operating the heating algorithm, the “Heater” signal is generated.
723 723  
724 724  Conditions for signal generation:
725 725  
726 -* the minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time.
743 +* the minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time;
744 +* there are no errors from "Errors 1, 2..." bitfields.
727 727  
728 728  Conditions for clearing the signal:
729 729  
730 -* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time.
748 +* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time;
749 +* there is an error from "Errors 1, 2..." bitfields.
731 731  
732 732  (% class="box infomessage" %)
733 733  (((
... ... @@ -747,17 +747,19 @@
747 747  * Tolerant cell temperature, °C;
748 748  * Delay before starting the cooler, millisecond;
749 749  * Delay before stopping the cooler, millisecond;
750 -* Switch off the cooler contactor on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
769 +* **Errors 1, 2 to open the heater** – bitfields to choose the errors which will open the heater.
751 751  
752 752  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
753 753  
754 754  Conditions for signal generation:
755 755  
756 -* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time.
775 +* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time;
776 +* there are no errors from "Errors 1, 2..." bitfields.
757 757  
758 758  Conditions for clearing the signal:
759 759  
760 -* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time.
780 +* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time;
781 +* there is an error from "Errors 1, 2..." bitfields.
761 761  
762 762  (% class="box infomessage" %)
763 763  (((
1735054851946-552.png
Size
... ... @@ -1,1 +1,1 @@
1 -22.9 KB
1 +25.8 KB
Content
1750330178694-281.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +29.3 KB
Content
1750330205370-111.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +27.3 KB
Content
1750330569574-683.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +43.9 KB
Content
1760435088688-304.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +37.0 KB
Content
1760435605505-488.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +35.3 KB
Content
1760435790050-496.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +37.0 KB
Content
1760435802140-274.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +35.3 KB
Content
1765447975228-766.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +18.8 KB
Content
1765448283865-334.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +20.9 KB
Content
1771431551882-439.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +43.7 KB
Content
1771431570393-551.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +43.7 KB
Content
1771432488941-251.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +40.1 KB
Content
1771432563405-644.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +40.1 KB
Content