Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14

From version 42.4
edited by Admin
on 2025/02/24 12:18
Change comment: There is no comment for this version
To version 31.1
edited by Admin
on 2024/12/26 16:41
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,5 +1,5 @@
1 1  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Configuration =
2 += Settings =
3 3  
4 4  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 5  == Control ==
... ... @@ -21,7 +21,7 @@
21 21  ** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
22 22  ** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
23 23  
24 -The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
24 +The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
25 25  
26 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.
27 27  
... ... @@ -70,8 +70,8 @@
70 70  
71 71  * Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
72 72  * Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
73 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
74 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
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;
75 75  
76 76  Other parameters:
77 77  
... ... @@ -213,18 +213,18 @@
213 213  * Enable – a flag to start calculation of the charge current limit;
214 214  * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
215 215  * 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;
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;
217 217  * 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;
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;
219 219  * 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;
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;
221 221  * 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;
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;
223 223  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
224 224  
225 225  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
226 226  
227 -**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct**
227 +**Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct**
228 228  
229 229  === Discharge map ===
230 230  
... ... @@ -241,18 +241,18 @@
241 241  * Enable – a flag to start calculation of the discharge current limit;
242 242  * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
243 243  * 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;
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;
245 245  * 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;
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;
247 247  * 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;
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;
249 249  * 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;
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;
251 251  * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
252 252  
253 253  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
254 254  
255 -**Discharge current limit = Maximum discharge current × Kds × Kdc × Kdv × Kdt**
255 +**Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt**
256 256  
257 257  === Charge map (PEAK & CONTINUOUS) ===
258 258  
... ... @@ -315,19 +315,36 @@
315 315  The Main contactor algorithm supports the following modes:
316 316  
317 317  * Always on;
318 -* Automatic.
318 +* Automatic;
319 +* On demand.
319 319  
320 320  In “Always on” mode main contactor closes if all the following is true:
321 321  
322 -* Other contactors are open;
323 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
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.
324 324  
325 325  In “Always on” mode main contactor opens if all the following is true:
326 326  
327 -* Other contactors are open;
328 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
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.
329 329  
330 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
347 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
331 331  
332 332  In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
333 333  
... ... @@ -409,10 +409,10 @@
409 409  * Delay before clearing the "Precharge error", second;
410 410  * Lock the "Precharge error" – a flag to block the error until the device is restarted.
411 411  
412 -“Precharge error” generation conditions if any of the following is true:
429 +“Precharge error” generation conditions:
413 413  
414 -* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
415 -* 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";
416 416  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
417 417  
418 418  (% class="box warningmessage" %)
... ... @@ -430,8 +430,24 @@
430 430  * On charger connected – charging is allowed when there is a signal “Charger connected”;
431 431  * On charge request – charging is allowed when there is a signal “Charge request”.
432 432  
433 -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:
434 434  
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 +
435 435  * Service reset;
436 436  * Power down request;
437 437  * Inhibit charging,
... ... @@ -440,17 +440,17 @@
440 440  
441 441  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
442 442  
443 -* 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;
444 444  * If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
445 445  * 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);
446 -* 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.
447 447  
448 448  When the "**On charge request**" algorithm selected, the control is performed as follows:
449 449  
450 -* 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;
451 451  * If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
452 452  * If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
453 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
486 +* If errors in the list above occur the charging contactor and allow charging contactor open.
454 454  
455 455  (% class="box infomessage" %)
456 456  (((
... ... @@ -457,7 +457,6 @@
457 457  **Note: **when errors occur in the system, the **Charge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
458 458  )))
459 459  
460 -
461 461  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
462 462  
463 463  [[image:1735063563460-549.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
... ... @@ -488,8 +488,26 @@
488 488  * On charger disconnected – load is connected when there is no signal “Charger connected”;
489 489  * On discharge request – load is connected when there is signal “Discharge request”.
490 490  
491 -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:
492 492  
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 +
493 493  * Service reset
494 494  * Power down request
495 495  * Inhibit discharging
... ... @@ -498,13 +498,13 @@
498 498  
499 499  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
500 500  
501 -* 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;
502 -* 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.
503 503  
504 504  When the "**On discharge request**" algorithm selected, the control is performed as follows:
505 505  
506 -* 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;
507 -* 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.
508 508  
509 509  (% class="box infomessage" %)
510 510  (((
... ... @@ -511,7 +511,7 @@
511 511  **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).
512 512  )))
513 513  
514 -The device supports controlling the precharging contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]).
564 +The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
515 515  
516 516  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
517 517  
... ... @@ -580,7 +580,7 @@
580 580  
581 581  * the battery has low SOC;
582 582  * the battery voltage is out of range;
583 -* the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
633 +* the battery system errors are detected.
584 584  
585 585  (% class="box infomessage" %)
586 586  (((
... ... @@ -597,10 +597,10 @@
597 597  * Switch off the discharging (AUX) contactor if the SOC is too low;
598 598  * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
599 599  * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
600 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
601 -* Minimum cell voltage, V;
602 -* Maximum cell voltage, V;
603 603  * 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;
604 604  * Minimum battery voltage, V;
605 605  * Maximum battery voltage, V;
606 606  * Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
... ... @@ -618,11 +618,11 @@
618 618  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
619 619  
620 620  * the voltage on the cell is higher than the balancing start voltage;
621 -* 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.
622 622  
623 623  A balancing resistor is disconnected from the cell if any of the following conditions are met:
624 624  
625 -* 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;
626 626  * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
627 627  
628 628  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
... ... @@ -629,8 +629,6 @@
629 629  
630 630  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.
631 631  
632 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value.
633 -
634 634  To change the cell balancing parameters, select the "Control → Cell balancing" section:
635 635  
636 636  [[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
... ... @@ -730,10 +730,7 @@
730 730  
731 731  * 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.
732 732  
733 -(% class="box infomessage" %)
734 -(((
735 -If there is the "Heater" signal, the heater contactor closes and/or a signal is set to the corresponding digital output.
736 -)))
781 +If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponding digital output.
737 737  
738 738  === Cooler ===
739 739  
... ... @@ -760,10 +760,7 @@
760 760  
761 761  * 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.
762 762  
763 -(% class="box infomessage" %)
764 -(((
765 -If there is the "Cooler" signal, the cooler contactor closes and/or a signal is set to the corresponding digital output.
766 -)))
808 +If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponding digital output.
767 767  
768 768  === High voltage ===
769 769