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Changes for page 3.3 Control

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Summary

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Content
... ... @@ -12,35 +12,47 @@
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 -* **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.
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.
31 31  
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.
24 +The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
33 33  
34 -The values **“Capacity”** and **“Resistance”** are used to calculate the SOC of cells and the battery.
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.
35 35  
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.
28 +The “Reset parameters” will reset:
37 37  
38 -The **“Reset SOC”, "Reset resistance" **and **"Reset capacity"** command is used for starting-up and adjustment of the battery.
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.
39 39  
34 +The “Reset parameters” command is used for starting-up and adjustment of the battery.
35 +
40 40  === SOC estimation ===
41 41  
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:
38 +The BMS Main 3 device calculates the state of charge of the battery (SOC) using two algorithms:
43 43  
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 +
44 44  The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
45 45  
46 46  The **“Current and voltage (simplified)”** SOC calculation algorithm works as follows:
... ... @@ -50,34 +50,32 @@
50 50  
51 51  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).
52 52  
53 -To change the algorithm for calculating the SOC, select the "Control → SOC estimation" section:
65 +To change the algorithm for calculating the Final SOC, select the "Control → SOC estimation → Final SOC" section:
54 54  
55 55  [[image:1733322611551-852.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="148" width="800"]]
56 56  
57 -In this section:
69 +The following calculation methods are supported (“Final SOC”):
58 58  
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.
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 have 100% SOC, b) 0% if any cell have 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;
77 77  
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 +
78 78  === SOC correction ===
79 79  
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"]]).
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"]]).
81 81  
82 82  To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section:
83 83  
... ... @@ -85,31 +85,13 @@
85 85  
86 86  In this section:
87 87  
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.
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.
94 94  
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 -
113 113  === Resistance estimation ===
114 114  
115 115  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
... ... @@ -142,18 +142,16 @@
142 142  
143 143  In this section:
144 144  
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.
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.
150 150  
151 151  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).
152 152  
153 153  === Low SOC (signal) ===
154 154  
155 -The "Low SOC" is indicative signal that can be assigned to a discrete output or a power switch.
156 -
157 157  To change the parameters of the generation a signal about low battery level, select the "Control → Low SOC (signal)" section:
158 158  
159 159  [[image:1733322624660-513.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
... ... @@ -160,12 +160,12 @@
160 160  
161 161  In this section:
162 162  
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.
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.
169 169  
170 170  Signal generation conditions:
171 171  
... ... @@ -175,10 +175,13 @@
175 175  
176 176  * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
177 177  
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 +
178 178  === High charging current (signal) ===
179 179  
180 -The "High charging current" is indicative signal that can be output to a discrete output or a power switch.
181 -
182 182  To change the parameters of the generation high-current signal, select the "Control → High charging current (signal)" section:
183 183  
184 184  [[image:1733322624661-915.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="107" width="800"]]
... ... @@ -185,12 +185,12 @@
185 185  
186 186  In this section:
187 187  
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.
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.
194 194  
195 195  Signal generation conditions:
196 196  
... ... @@ -200,9 +200,14 @@
200 200  
201 201  * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
202 202  
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 +
203 203  === Charge map ===
204 204  
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.
203 +The BMS Main 3 device calculates the maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
206 206  
207 207  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.
208 208  
... ... @@ -212,17 +212,17 @@
212 212  
213 213  In this section:
214 214  
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.
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 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 maximum cell voltage;
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.
226 226  
227 227  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
228 228  
... ... @@ -230,7 +230,7 @@
230 230  
231 231  === Discharge map ===
232 232  
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.
231 +The BMS Main 3 device calculates the maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
234 234  
235 235  Calculated current values are sent to a charger or an intellectual load over the CAN bus.
236 236  
... ... @@ -240,17 +240,17 @@
240 240  
241 241  In this section:
242 242  
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.
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 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 minimum cell voltage;
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.
254 254  
255 255  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
256 256  
... ... @@ -258,7 +258,7 @@
258 258  
259 259  === Charge map (PEAK & CONTINUOUS) ===
260 260  
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.
259 +The BMS Main 3 has an alternative algorithm for the maximum allowed charging current based on peak and continuous battery operating modes.
262 262  
263 263  To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section:
264 264  
... ... @@ -266,26 +266,26 @@
266 266  
267 267  In this section:
268 268  
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.
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.
277 277  
278 278  The maximum charging current value equals to the peak or continuous current according to the following diagram:
279 279  
280 280  [[image:1733322717451-608.png||data-xwiki-image-style-alignment="center"]]
281 281  
282 -**I,,peak,, = Maximum PEAK charge current × K,,cp,,**
280 +I,,peak,, = Maximum PEAK charge current × K,,cp,,
283 283  
284 -**I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,**
282 +I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,
285 285  
286 286  === Discharge map (PEAK & CONTINUOUS) ===
287 287  
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.
286 +The BMS Main 3 has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes.
289 289  
290 290  To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section:
291 291  
... ... @@ -293,43 +293,63 @@
293 293  
294 294  In this section:
295 295  
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.
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.
304 304  
305 305  The maximum discharging current value equals to the peak or continuous current according to following diagram:
306 306  
307 307  [[image:1733322753429-968.png||data-xwiki-image-style-alignment="center"]]
308 308  
309 -**I,,peak,, = Maximum PEAK discharge current × K,,dp,,**
307 +I,,peak,, = Maximum PEAK discharge current × K,,dp,,
310 310  
311 -**I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,**
309 +I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,
312 312  
313 313  === Main contactor ===
314 314  
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.
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.
316 316  
317 317  The Main contactor algorithm supports the following modes:
318 318  
319 -In **“Always on”** mode main contactor closes if all the following is true:
317 +* Always on;
318 +* Automatic;
319 +* On demand.
320 320  
321 -* Other contactors are open;
322 -* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
321 +In “Always on” mode main contactor closes if all the following is true:
323 323  
324 -and opens if all the following is true:
323 +* Charging contactor is open;
324 +* Discharging contactor is open;
325 +* There are no errors from the list below:
326 +** Overcurrent;
327 +** Undervoltage;
328 +** Overvoltage;
329 +** High temperature (CH);
330 +** High temperature (DCH);
331 +** Unallowable charging;
332 +** Critical error.
325 325  
326 -* Other contactors are open;
327 -* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
334 +In “Always on” mode main contactor opens if all the following is true:
328 328  
329 -In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
336 +* Charging contactor is open;
337 +* Discharging contactor is open;
338 +* There is an error from the list below:
339 +** Overcurrent;
340 +** Undervoltage;
341 +** Overvoltage;
342 +** High temperature (CH);
343 +** High temperature (DCH);
344 +** Unallowable charging;
345 +** Critical error.
330 330  
331 -In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
347 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
332 332  
349 +In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
350 +
333 333  (% class="box infomessage" %)
334 334  (((
335 335  **Note: **when errors occur in the system, the **Main **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
... ... @@ -341,36 +341,29 @@
341 341  
342 342  In this section:
343 343  
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.
362 +* Enable – a flag to enable the main contactor control;
363 +* Algorithm – main contactor control algorithm:
364 +** Always on – contactor is always closed;
365 +** Automatic – contactor closes by internal charge and discharge algorithms;
366 +** On demand – contactor is closed by an external request;
367 +* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
368 +* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
369 +* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
370 +* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
353 353  
354 354  === Charging status ===
355 355  
356 356  To change the parameters of charging process status, select the "Control → Charging status" section:
357 357  
358 -[[image:1771432488941-251.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="800"]]
376 +[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]In this section:
359 359  
360 -In this section:
378 +* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
379 +* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
380 +* Voltage to clear the “Ready to charge” – a threshold 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;
381 +* Voltage to reset the “Ready to charge” – a tolerant 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;
382 +* 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;
383 +* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
361 361  
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.
373 -
374 374  (% class="box infomessage" %)
375 375  (((
376 376  **Note:** The "Allow charging" signal activates under two independent conditions:
... ... @@ -382,44 +382,30 @@
382 382  
383 383  To change the parameters of discharging process status, select the "Control → Discharging status" section:
384 384  
385 -[[image:1771431570393-551.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
396 +[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section:
386 386  
387 -In this section:
398 +* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
399 +* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
400 +* Voltage to clear the “Ready to discharge” – a threshold voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
401 +* Voltage to reset the “Ready to discharge” – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
402 +* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
388 388  
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.
400 -
401 401  === Precharge ===
402 402  
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.
406 +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.
404 404  
405 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors.
408 +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.
406 406  
407 -BMS Main 2R device detects errors while pre-charging the load capacity only by monitoring the current.
408 -
409 -Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
410 -
411 411  TBA
412 412  
413 413  To change the parameters of precharge contactor, select the "Control → Precharge" section:
414 414  
415 -[[image:1750328428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
414 +[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
416 416  
417 417  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
418 418  * 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;
419 419  * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
420 -* 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;
421 421  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
422 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
423 423  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
424 424  * Relaxation between attempts – a duration between precharge attempts, millisecond;
425 425  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
... ... @@ -429,10 +429,10 @@
429 429  * Delay before clearing the "Precharge error", second;
430 430  * Lock the "Precharge error" – a flag to block the error until the device is restarted.
431 431  
432 -“Precharge error” generation conditions if any of the following is true:
429 +“Precharge error” generation conditions:
433 433  
434 -* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
435 -* voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
431 +* the precharge current does not decrease after "Number of precharging attempts";
432 +* voltages before and after contactors are not equal after "Number of precharging attempts";
436 436  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
437 437  
438 438  (% class="box warningmessage" %)
... ... @@ -450,8 +450,24 @@
450 450  * On charger connected – charging is allowed when there is a signal “Charger connected”;
451 451  * On charge request – charging is allowed when there is a signal “Charge request”.
452 452  
453 -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:
450 +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 appears:
454 454  
452 +* Overvoltage;
453 +* Overcurrent;
454 +* High temperature (CH);
455 +* Low temperature (CH);
456 +* HYG offline (optional);
457 +* Combilift offline (optional);
458 +* Spirit offline (optional);
459 +* Spirit charger error (optional);
460 +* Short circuit (optional);
461 +* High contactor temperature (optional);
462 +* CH contactor cycles error;
463 +* Precharge error (optional);
464 +* Critical error
465 +
466 +or one of the signals:
467 +
455 455  * Service reset;
456 456  * Power down request;
457 457  * Inhibit charging,
... ... @@ -460,17 +460,17 @@
460 460  
461 461  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
462 462  
463 -* 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;
476 +* If there is a signal “Charger connected” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
464 464  * If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
465 465  * 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);
466 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
479 +* If errors in the list above occur the charging contactor and allow charging contactor open.
467 467  
468 468  When the "**On charge request**" algorithm selected, the control is performed as follows:
469 469  
470 -* 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;
483 +* If there is a signal “Charge request” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
471 471  * If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
472 472  * 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);
473 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
486 +* If errors in the list above occur the charging contactor and allow charging contactor open.
474 474  
475 475  (% class="box infomessage" %)
476 476  (((
... ... @@ -491,7 +491,7 @@
491 491  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
492 492  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
493 493  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
494 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);
507 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
495 495  * Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
496 496  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
497 497  * Custom delay: <error> – delay for specific error, millisecond;
... ... @@ -507,8 +507,26 @@
507 507  * On charger disconnected – load is connected when there is no signal “Charger connected”;
508 508  * On discharge request – load is connected when there is signal “Discharge request”.
509 509  
510 -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:
523 +When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears:
511 511  
525 +* Undervoltage;
526 +* Overvoltage (optional);
527 +* Overcurrent;
528 +* High temperature (DCH);
529 +* Low temperature (DCH) (optional);
530 +* HYG offline (optional);
531 +* Combilift offline (optional);
532 +* Spirit offline (optional);
533 +* Spirit charger error (optional);
534 +* Short circuit (optional);
535 +* High contactor temperature (optional);
536 +* Unallowable charging;
537 +* DCH contactor cycles error;
538 +* Precharge error (optional);
539 +* Critical error
540 +
541 +or one of the signals:
542 +
512 512  * Service reset
513 513  * Power down request
514 514  * Inhibit discharging
... ... @@ -517,13 +517,13 @@
517 517  
518 518  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
519 519  
520 -* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
521 -* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
551 +* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
552 +* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
522 522  
523 523  When the "**On discharge request**" algorithm selected, the control is performed as follows:
524 524  
525 -* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
526 -* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
556 +* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
557 +* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
527 527  
528 528  (% class="box infomessage" %)
529 529  (((
... ... @@ -530,6 +530,8 @@
530 530  **Note: **when errors occur in the system, the **Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
531 531  )))
532 532  
564 +The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
565 +
533 533  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
534 534  
535 535  [[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
... ... @@ -544,7 +544,7 @@
544 544  * Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
545 545  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
546 546  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
547 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);
580 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
548 548  * Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
549 549  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
550 550  * Custom delay: <error> – specific error delay, millisecond;
... ... @@ -597,8 +597,13 @@
597 597  
598 598  * the battery has low SOC;
599 599  * the battery voltage is out of range;
600 -* the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
633 +* the battery system errors are detected.
601 601  
635 +(% class="box infomessage" %)
636 +(((
637 +**Note: **when errors occur in the system, the **Discharge (AUX) **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
638 +)))
639 +
602 602  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
603 603  
604 604  [[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
... ... @@ -609,13 +609,13 @@
609 609  * Switch off the discharging (AUX) contactor if the SOC is too low;
610 610  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
611 611  * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
612 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
613 -* Minimum cell voltage, V;
614 -* Maximum cell voltage, V;
615 615  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
651 +* Minimum voltage – minimum battery voltage, V;
652 +* Maximum voltage – maximum battery voltage, V;
653 +* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error;
616 616  * Minimum battery voltage, V;
617 617  * Maximum battery voltage, V;
618 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
656 +* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
619 619  
620 620  === Cell balancing ===
621 621  
... ... @@ -630,22 +630,17 @@
630 630  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
631 631  
632 632  * the voltage on the cell is higher than the balancing start voltage;
633 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
671 +* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold.
634 634  
635 635  A balancing resistor is disconnected from the cell if any of the following conditions are met:
636 636  
637 -* the voltage on the cell is less than the balancing stop voltage;
675 +* the voltage on the cell is less than the balancing start voltage;
638 638  * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
639 639  
640 -(% class="box infomessage" %)
641 -(((
642 642  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
643 -)))
644 644  
645 645  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.
646 646  
647 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value.
648 -
649 649  To change the cell balancing parameters, select the "Control → Cell balancing" section:
650 650  
651 651  [[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
... ... @@ -657,6 +657,9 @@
657 657  ** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
658 658  ** 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);
659 659  ** Balance always – balancing is always performed regardless the battery state;
693 +
694 +[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
695 +
660 660  * Balancing condition:
661 661  ** Automatic – balancing will be performed automatically if needed conditions are met;
662 662  ** 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;
... ... @@ -742,10 +742,7 @@
742 742  
743 743  * 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.
744 744  
745 -(% class="box infomessage" %)
746 -(((
747 -If there is the "Heater" signal, the heater contactor closes and/or a signal is set to the corresponding digital output.
748 -)))
781 +If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponding digital output.
749 749  
750 750  === Cooler ===
751 751  
... ... @@ -772,10 +772,7 @@
772 772  
773 773  * 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.
774 774  
775 -(% class="box infomessage" %)
776 -(((
777 -If there is the "Cooler" signal, the cooler contactor closes and/or a signal is set to the corresponding digital output.
778 -)))
808 +If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponding digital output.
779 779  
780 780  === High voltage ===
781 781  
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