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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:58
From version 55.3
edited by Admin
on 2026/04/30 15:42
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To version 27.4
edited by Admin
on 2025/02/24 12:33
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Summary

Details

Page properties
Content
... ... @@ -12,37 +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 cell, Ohm;
17 -* **Relax time (after charging)** – a relaxation time after charging, second;
18 -* **Relax time (after discharging)** – the relaxation time after discharging, second;
19 -* **Reset parameters **– a command to reset cells state of charge, capacity, and resistance.
15 +* Cell capacity – nominal capacity of cells, Ah;
16 +* Cell resistance – nominal (maximum) internal resistance of the cell, Ohm;
17 +* Relax time (after charging) – a relaxation time after charging, second;
18 +* Relax time (atfer discharging) – the relaxation time after discharging, second;
19 +* Reset parameters– a command to reset cells state of charge, capacity, and resistance.
20 20  
21 -The values “**Capacity**” and “**Resistance**” are used to calculate the SOC of cells and the battery.
21 +The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
22 22  
23 -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.
23 +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.
24 24  
25 -The “**Reset parameters**”  is used for starting-up and adjustment of the battery and will reset:
25 +The “Reset parameters” will reset:
26 26  
27 27  * 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);
28 28  * cell resistance to “Cell resistance” value;
29 29  * battery capacity to “Cell capacity” value.
30 30  
31 +The “Reset parameters” command is used for starting-up and adjustment of the battery.
32 +
31 31  === SOC estimation ===
32 32  
33 -The BMS Mini S / BMS Mini device calculates the state of charge (SOC) of each cell by using following algorithms:
35 +The BMS Mini device calculates the state of charge of the battery (SOC) using two algorithms:
34 34  
35 -The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
37 +* by open circuit voltage;
38 +* by voltage and current.
36 36  
37 -The **“Current and voltage (simplified)”** SOC calculation algorithm works as follows:
40 +It is recommended to use the algorithm of calculation of SOC by voltage and current.
38 38  
39 -* if I = 0, the battery is in the state of relaxation and the cell voltage Uocv is outside the [U,,ocv[point 1],,; U,,ocv[point 2],,], the SOC calculation is based on the tabular dependency Uocv = Uocv(SOC, t °C);
40 -* in any other cases, the SOC value is proportional to the charge (coulomb) passed through the battery (current time integral).
42 +To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
41 41  
42 -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).
43 -
44 -To change the algorithm for calculating the SOC, select the "Control → SOC estimation" section:
45 -
46 46  [[image:1733746733477-590.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="166" width="800"]]
47 47  
48 48  The following estimation algorithms supported:
... ... @@ -64,30 +64,28 @@
64 64  
65 65  [[image:1733746733478-414.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="800"]]
66 66  
67 -In this section:
65 +The following battery Final SOC calculation methods are supported:
68 68  
69 -* **Algorithm:**
70 -** **Voltage **– by open circuit voltage;
71 -** **Current and voltage (simplified)** – recommended for LFP cells;
72 -** **Current and voltage (enhanced)** – recommended for NMC cells:
73 -* **Final SOC** – method of calculating overall SOC of battery:
74 -** **Minimal SOC** – the battery SOC is assumed to be the minimum SOC among the cells;
75 -** **Average SOC** – the battery SOC is taken equal to the arithmetic average of the cell SOC;
76 -** **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;
77 -** **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.
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.
67 +* Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
68 +* Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules;
69 +* 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;
70 +* 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.
87 87  
72 +Other parameters:
73 +
74 +* Scale the final SOC – a flag to scale the battery SOC by the following values;
75 +* SOC corresponding to 0% – the battery SOC that sets to be 0%;
76 +* SOC corresponding to 100% – the battery SOC that sets to be 100%.
77 +* Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
78 +* Linear zone - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
79 +** Linear zone: point 1 – starting point of the Uocv linear zone;
80 +** Linear zone: point 2 – ending point of the Uocv linear zone;
81 +* Coulomb counting correction (temperature) – the dependence of battery capacity on temperature;
82 +* Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles.
83 +
88 88  === SOC correction ===
89 89  
90 -The BMS Mini S / BMS Mini 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"]]).
86 +The BMS Mini 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  
... ... @@ -95,12 +95,12 @@
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.
94 +* Enable – a flag to enable SOC correction;
95 +* 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);
96 +* 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”.
97 +* SOC change time – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute;
98 +* Ignore the linear zone – a flag to ignore linear SOC zone while correction;
99 +* Last correction timestamp – time when last correction was made.
104 104  
105 105  === Resistance estimation ===
106 106  
... ... @@ -134,11 +134,11 @@
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.
133 +* Current stabilization time, millisecond;
134 +* 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;
135 +* Maximum resistance factor – the coefficient of calculation of the maximum acceptable resistance of the cell;
136 +* Minimum SOC – minimum cell SOC value for resistance calculation;
137 +* 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  
... ... @@ -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.
149 +* Enable – a flag to enable signal generation;
150 +* Minimum SOC, %;
151 +* Tolerant SOC, %;
152 +* Delay before setting the signal, second;
153 +* Delay before clearing the signal, second;
154 +* Lock – lock the signal until the device is reset.
159 159  
160 160  Signal generation conditions:
161 161  
... ... @@ -200,7 +200,7 @@
200 200  
201 201  === Charge map ===
202 202  
203 -The BMS Mini S / BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
199 +The BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
204 204  
205 205  Calculated current values are sending to a charger or an intellectual load over the CAN bus.
206 206  
... ... @@ -212,11 +212,11 @@
212 212  * Enable – a flag to start calculation of the charge current limit;
213 213  * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
214 214  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
215 -* 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;
211 +* 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;
216 216  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
217 217  * Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
218 218  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
219 -* 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)
215 +* 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;
220 220  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
221 221  * 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;
222 222  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
... ... @@ -227,7 +227,7 @@
227 227  
228 228  === Discharge map ===
229 229  
230 -The BMS Mini S / BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
226 +The BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
231 231  
232 232  Calculated current values are sending to a charger or an intellectual load over the CAN bus.
233 233  
... ... @@ -240,11 +240,11 @@
240 240  * Enable – a flag to start calculation of the discharge current limit;
241 241  * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
242 242  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
243 -* 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;
239 +* 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;
244 244  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
245 245  * Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
246 246  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
247 -* 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)
243 +* 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;
248 248  * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
249 249  * 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;
250 250  * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
... ... @@ -255,7 +255,7 @@
255 255  
256 256  === Main contactor ===
257 257  
258 -The BMS Mini S / BMS Mini 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 a case of sealing of the charging or discharging contactors.
254 +The BMS Mini 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 a case of sealing of the charging or discharging contactors.
259 259  
260 260  The Main contactor algorithm supports the following modes:
261 261  
... ... @@ -301,19 +301,14 @@
301 301  
302 302  To change the parameters of charging process status, select the "Control → Charging status" section:
303 303  
304 -[[image:1762774819522-147.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]
300 +[[image:1740399071280-626.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
305 305  In this section:
306 306  
307 307  * Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
308 308  * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
309 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
310 -* Use actual voltage to generate the "Ready to charge" signal if the current is negative – a flag to disable voltage correction for "Ready to charge" signal only at discharging current;
311 -* 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;
312 -* 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;
305 +* 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;
306 +* 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;
313 313  * 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;
314 -* 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;
315 -* 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;
316 -* 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;
317 317  * Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
318 318  
319 319  (% class="box infomessage" %)
... ... @@ -327,18 +327,13 @@
327 327  
328 328  To change the parameters of discharging process status, select the "Control → Discharging status" section:
329 329  
330 -[[image:1762774840204-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="146" width="800"]]In this section:
321 +[[image:1740399096018-240.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
322 +In this section:
331 331  
332 332  * Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
333 333  * Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
334 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
335 -* Use actual voltage to generate the "Ready to discharge" signal if the current is positive – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
336 -* 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;
337 -* 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;
338 -* 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;
339 -* 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;
340 -* 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;
341 -* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set;
326 +* 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;
327 +* 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;
342 342  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
343 343  
344 344  === Precharge ===
... ... @@ -347,16 +347,12 @@
347 347  
348 348  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.
349 349  
336 +[[image:1740399150173-761.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
337 +
350 350  To change the parameters of precharge contactor, select the "Control → Precharge" section:
351 351  
352 -[[image:1754931813173-804.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="172" width="800"]]
353 -
354 -In this section:
355 -
356 356  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
357 -* 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;
358 358  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
359 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
360 360  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
361 361  * Relaxation between attempts – a duration between precharge attempts, millisecond;
362 362  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
... ... @@ -488,7 +488,7 @@
488 488  
489 489  === Charge/Discharge ===
490 490  
491 -The BMS Mini S / BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
473 +The BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
492 492  
493 493  Charge/Discharge contactor has three algorithms of operation:
494 494  
... ... @@ -525,7 +525,7 @@
525 525  
526 526  === Discharge (AUX) ===
527 527  
528 -The BMS Mini S / BMS Mini 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.
510 +The BMS Mini 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.
529 529  
530 530  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.
531 531  
... ... @@ -555,36 +555,28 @@
555 555  
556 556  === Cell balancing ===
557 557  
558 -Balancing makes the voltage of all cells equal to the minimum cell voltage.
540 +Balancing makes the voltage of all cells be equal to the minimum cell voltage.
559 559  
560 560  The following balancing rules are supported:
561 561  
562 -* when the battery is charging (current I > 0) and time after until the battery is relaxed;
544 +* only when the battery is charging (current I > 0) and some time until the battery is relaxed;
563 563  * when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
564 564  * always (regardless of battery state).
565 565  
566 -A balancing resistor is connected to the cell if the following conditions are simultaneously met:
548 +A balancing resistor is connected to the cell if:
567 567  
568 -* the voltage on the cell is higher than the balancing start voltage;
569 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
550 +* the voltage on the cell is higher than the starting voltage of the balancing;
551 +* the difference between the cell voltage and the minimum voltage among the cells of the battery is greater than the balancing deviation.
570 570  
571 -A balancing resistor is disconnected from the cell if any of the following conditions are met:
572 -
573 -* the voltage on the cell is less than the balancing stop voltage;
574 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
575 -
576 576  (% class="box infomessage" %)
577 577  (((
578 -If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
555 +If the BMS Mini overheats, then the balancing of the cells connected to this device will not be performed.
579 579  )))
580 580  
581 -The BMS Mini S / BMS Mini device 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.
582 -
583 -BMS Mini S / BMS Mini device can force a cell balancing, if its voltage is higher than estimated value.
584 -
585 585  To change the cell balancing parameters, select the "Control → Cell balancing" section:
586 586  
587 -[[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
560 +[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
561 +
588 588  In this section:
589 589  
590 590  * Enable – a flag to enable cell balancing;
... ... @@ -592,19 +592,15 @@
592 592  ** Balance on charge;
593 593  ** Balance on charge or relaxed;
594 594  ** Balance always;
595 -* Balancing condition:
596 -** Automatic – balancing will be performed automatically if needed conditions are met;
597 -** 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;
569 +
570 +[[image:1733746797004-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
571 +
598 598  * Minimum cell voltage to start balancing, V;
599 -* Voltage deviation to start balancing;
600 -* Voltage deviation to stop balancing;
601 -* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
602 -* Maximum allowable temperature of the board, ºC;
603 -* Command to discharge all cells – a flag to force the balancing of all cells.
573 +* Balancing deviation, V.
604 604  
605 605  === Power down ===
606 606  
607 -The BMS Mini S / BMS Mini device can shut down itself if the battery voltage is low or the battery is idle for a long time.
577 +The BMS Mini device can shut down itself if the battery voltage is low or the battery is idle for a long time.
608 608  
609 609  Shutting down the battery system is performed according to the following conditions:
610 610  
... ... @@ -611,32 +611,32 @@
611 611  * the battery voltage is below the minimum level;
612 612  * the “Charger connected” signal is cleared for 60 seconds.
613 613  
614 -The BMS Mini S / BMS Mini device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the set time.
584 +The BMS Mini device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the set time.
615 615  
616 616  To change the parameters of the power down control, select the "Control → Power down" section:
617 617  
618 -[[image:1740404859367-943.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
588 +[[image:1733746797005-459.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="115" width="800"]]
589 +
619 619  In this section:
620 620  
621 621  * Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
622 622  * Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
623 -* 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;
624 -* Delay before setting the internal power down signal – a delay before turning off the device power when receiving the “Power down request” command, ms.
594 +* 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.
625 625  
626 626  === Heater ===
627 627  
628 628  To change the parameters of the heater control algorithm, select the "Control → Heater" section:
629 629  
630 -[[image:1777293968000-235.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
600 +[[image:1733746808496-606.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
601 +
631 631  In this section:
632 632  
633 633  * Enable – a flag to enable heater control;
634 634  * Minimum cell temperature, °C;
635 635  * Tolerant cell temperature, °C;
636 -* Start the heater only if "Charger connected" signal is set;
637 637  * Delay before starting the heater, millisecond;
638 638  * Delay before stopping the heater, millisecond;
639 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the heater.
609 +* Switch off the heater on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
640 640  
641 641  As a result of operating the heating algorithm, the “Heater” signal is generated.
642 642  
... ... @@ -657,8 +657,8 @@
657 657  
658 658  To change the parameters of the cooler control algorithm, select the "Control → Cooler" section:
659 659  
630 +[[image:1733746808497-424.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
660 660  
661 -[[image:1740405145695-704.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]]
662 662  In this section:
663 663  
664 664  * Enable – a flag to enable cooler control;
... ... @@ -666,7 +666,7 @@
666 666  * Tolerant cell temperature, °C;
667 667  * Delay before starting the cooler, millisecond;
668 668  * Delay before stopping the cooler, millisecond;
669 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the cooler.
639 +* Switch off the cooler contactor on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
670 670  
671 671  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
672 672  
... ... @@ -687,7 +687,7 @@
687 687  
688 688  Discharge characteristics of the battery – the dependence Uocv = Uocv (DOD) – is used to determine the tabular dependence Uocv = Uocv (SOC, t °C), which is necessary for calculating the state of charge of the battery.
689 689  
690 -The BMS Mini S / BMS Mini device can automatically determine the battery discharge characteristic.
660 +The BMS Mini device can automatically determine the battery discharge characteristic.
691 691  
692 692  Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
693 693  
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