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Changes for page 3.3 Control

Last modified by Admin on 2025/11/10 11:41
From version 47.2
edited by Admin
on 2025/11/10 11:40
Change comment: There is no comment for this version
To version 27.3
edited by Admin
on 2025/02/24 12:31
Change comment: There is no comment for this version

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... ... @@ -208,11 +208,11 @@
208 208  * Enable – a flag to start calculation of the charge current limit;
209 209  * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
210 210  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
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 __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;
212 212  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
213 213  * Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
214 214  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
215 -* 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;
216 216  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
217 217  * 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;
218 218  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
... ... @@ -236,11 +236,11 @@
236 236  * Enable – a flag to start calculation of the discharge current limit;
237 237  * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
238 238  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
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 __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;
240 240  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
241 241  * Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
242 242  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
243 -* 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;
244 244  * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
245 245  * 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;
246 246  * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
... ... @@ -297,19 +297,14 @@
297 297  
298 298  To change the parameters of charging process status, select the "Control → Charging status" section:
299 299  
300 -[[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"]]
301 301  In this section:
302 302  
303 303  * Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
304 304  * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
305 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
306 -* 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;
307 -* 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;
308 -* 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;
309 309  * 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;
310 -* 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;
311 -* 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;
312 -* 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;
313 313  * Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
314 314  
315 315  (% class="box infomessage" %)
... ... @@ -323,15 +323,13 @@
323 323  
324 324  To change the parameters of discharging process status, select the "Control → Discharging status" section:
325 325  
326 -[[image:1762774840204-111.png]]
321 +[[image:1740399096018-240.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
327 327  In this section:
328 328  
329 329  * Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
330 330  * Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
331 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
332 -* 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;
333 -* 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;
334 -* 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;
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;
335 335  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
336 336  
337 337  === Precharge ===
... ... @@ -340,14 +340,12 @@
340 340  
341 341  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.
342 342  
343 -[[image:1754931813173-804.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="172" width="800"]]
336 +[[image:1740399150173-761.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
344 344  
345 345  To change the parameters of precharge contactor, select the "Control → Precharge" section:
346 346  
347 347  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
348 -* 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;
349 349  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
350 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
351 351  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
352 352  * Relaxation between attempts – a duration between precharge attempts, millisecond;
353 353  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
... ... @@ -536,46 +536,37 @@
536 536  * Switch off the discharging (AUX) contactor if the SOC is too low;
537 537  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
538 538  * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
539 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
540 -* Minimum cell voltage, V;
541 -* Maximum cell voltage, V;
542 542  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
543 -* Minimum battery voltage, V;
544 -* Maximum battery voltage, V;
545 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
531 +* Minimum voltage – minimum battery voltage, V;
532 +* Maximum voltage – maximum battery voltage, V;
533 +* 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.
546 546  
535 +=== ===
536 +
547 547  === Cell balancing ===
548 548  
549 -Balancing makes the voltage of all cells equal to the minimum cell voltage.
539 +Balancing makes the voltage of all cells be equal to the minimum cell voltage.
550 550  
551 551  The following balancing rules are supported:
552 552  
553 -* when the battery is charging (current I > 0) and time after until the battery is relaxed;
543 +* only when the battery is charging (current I > 0) and some time until the battery is relaxed;
554 554  * when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
555 555  * always (regardless of battery state).
556 556  
557 -A balancing resistor is connected to the cell if the following conditions are simultaneously met:
547 +A balancing resistor is connected to the cell if:
558 558  
559 -* the voltage on the cell is higher than the balancing start voltage;
560 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
549 +* the voltage on the cell is higher than the starting voltage of the balancing;
550 +* the difference between the cell voltage and the minimum voltage among the cells of the battery is greater than the balancing deviation.
561 561  
562 -A balancing resistor is disconnected from the cell if any of the following conditions are met:
563 -
564 -* the voltage on the cell is less than the balancing stop voltage;
565 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
566 -
567 567  (% class="box infomessage" %)
568 568  (((
569 -If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
554 +If the BMS Mini overheats, then the balancing of the cells connected to this device will not be performed.
570 570  )))
571 571  
572 -The 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.
573 -
574 -BMS Mini device can force a cell balancing, if its voltage is higher than estimated value.
575 -
576 576  To change the cell balancing parameters, select the "Control → Cell balancing" section:
577 577  
578 -[[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
559 +[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
560 +
579 579  In this section:
580 580  
581 581  * Enable – a flag to enable cell balancing;
... ... @@ -583,15 +583,11 @@
583 583  ** Balance on charge;
584 584  ** Balance on charge or relaxed;
585 585  ** Balance always;
586 -* Balancing condition:
587 -** Automatic – balancing will be performed automatically if needed conditions are met;
588 -** 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;
568 +
569 +[[image:1733746797004-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
570 +
589 589  * Minimum cell voltage to start balancing, V;
590 -* Voltage deviation to start balancing;
591 -* Voltage deviation to stop balancing;
592 -* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
593 -* Maximum allowable temperature of the board, ºC;
594 -* Command to discharge all cells – a flag to force the balancing of all cells.
572 +* Balancing deviation, V.
595 595  
596 596  === Power down ===
597 597  
... ... @@ -606,20 +606,20 @@
606 606  
607 607  To change the parameters of the power down control, select the "Control → Power down" section:
608 608  
609 -[[image:1740404859367-943.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
587 +[[image:1733746797005-459.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="115" width="800"]]
588 +
610 610  In this section:
611 611  
612 612  * Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
613 613  * Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
614 -* 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;
615 -* Delay before setting the internal power down signal – a delay before turning off the device power when receiving the “Power down request” command, ms.
593 +* 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.
616 616  
617 617  === Heater ===
618 618  
619 619  To change the parameters of the heater control algorithm, select the "Control → Heater" section:
620 620  
599 +[[image:1733746808496-606.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
621 621  
622 -[[image:1740404973346-344.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
623 623  In this section:
624 624  
625 625  * Enable – a flag to enable heater control;
... ... @@ -627,7 +627,7 @@
627 627  * Tolerant cell temperature, °C;
628 628  * Delay before starting the heater, millisecond;
629 629  * Delay before stopping the heater, millisecond;
630 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the heater.
608 +* Switch off the heater on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
631 631  
632 632  As a result of operating the heating algorithm, the “Heater” signal is generated.
633 633  
... ... @@ -648,8 +648,8 @@
648 648  
649 649  To change the parameters of the cooler control algorithm, select the "Control → Cooler" section:
650 650  
629 +[[image:1733746808497-424.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
651 651  
652 -[[image:1740405145695-704.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]]
653 653  In this section:
654 654  
655 655  * Enable – a flag to enable cooler control;
... ... @@ -657,7 +657,7 @@
657 657  * Tolerant cell temperature, °C;
658 658  * Delay before starting the cooler, millisecond;
659 659  * Delay before stopping the cooler, millisecond;
660 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the cooler.
638 +* Switch off the cooler contactor on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
661 661  
662 662  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
663 663  
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