Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25

From version 4.16
edited by Admin
on 2024/11/21 18:21
Change comment: There is no comment for this version
To version 4.18
edited by Admin
on 2024/11/21 18:23
Change comment: There is no comment for this version

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... ... @@ -405,12 +405,100 @@
405 405  
406 406  To change the contactor feedback check parameters, select the menu "Protections → Contactor feedback check":
407 407  
408 +
409 +In this section:
410 +
411 +* Enable – a flag to enable the protection;
412 +* Delay before setting the error, second;
413 +* Delay before clearing the error, second;
414 +* Lock the error until the device is reset;
415 +
416 +If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
417 +
418 +* discrete output of charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
419 +
408 408  == 3.6.15 Charging contactor cycles protection ==
409 409  
422 +The BMS protects the charging contactor against frequent switching.
423 +
424 +To change the protection parameters against high frequency switching of the charging contactor, select the menu "Protections → Charging contactor cycles protection":
425 +
426 +
427 +In this section:
428 +
429 +* Enable – a flag to enable the protection;
430 +* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
431 +* Period – a time in which the BMS counts switchings of the charging contactor, second;
432 +* Delay before setting the error, second;
433 +* Delay before clearing the error, second;
434 +* Lock the error until the device is reset;
435 +* Cycles – a number of the charging contactor switchings made during battery operation.
436 +
437 +If there is the high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
438 +
439 +Error generation conditions:
440 +
441 +* the number of switchings of the charging contactor for the “Period” time is greater than or equal to the “Cycles threshold” value. The error is generated with the “Delay before setting the error” delay.
442 +
443 +Conditions for removing the error:
444 +
445 +* the “Delay before clearing the error” time has passed since the error was generated.
446 +
447 +(% class="box infomessage" %)
448 +(((
449 +If there is the "CH contactor cycles error" error, the charging relay opens.
450 +)))
451 +
410 410  == 3.6.16 Discharging contactor cycles protection ==
411 411  
454 +The BMS protects the discharging contactor against frequent switching.
455 +
456 +To change the protection parameters against high frequency switching of the discharging contactor, select the menu "Protections → Discharging contactor cycles protection":
457 +
458 +
459 +In this section:
460 +
461 +* Enable – a flag to enable the protection;
462 +* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
463 +* Period – a time in which the BMS counts switchings of the charging contactor, second;
464 +* Delay before setting the error, second;
465 +* Delay before clearing the error, second;
466 +* Lock the error until the device is reset;
467 +* Cycles – a number of the charging contactor switchings made during battery operation.
468 +
469 +If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
470 +
471 +Error generation conditions:
472 +
473 +* the number of switchings of the discharging contactor for the “Period” time is greater than or equal to the “Cycles threshold” value. The error is generated with the “Delay before setting the error” delay.
474 +
475 +Conditions for removing the error:
476 +
477 +* the “Delay before clearing the error” time has passed since the error was generated.
478 +
479 +(% class="box infomessage" %)
480 +(((
481 +If there is the "DCH contactor cycles error" error, the discharging relay opens.
482 +)))
483 +
412 412  == 3.6.17 Temperature sensor error ==
413 413  
486 +The board is implemented to check the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
487 +
488 +To change the protection parameters of the temperature sensors circuits, select the menu "Protections → Temperature sensor error":
489 +
490 +
491 +In this section:
492 +
493 +* Enable – a flag to enable the protection;
494 +* Delay before setting the error, second;
495 +* Delay before clearing the error, second;
496 +* Lock the error until the device is reset.
497 +
498 +If there are no temperature sensors connected to a BMS Logic board or any temperature sensor is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
499 +
500 +**If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the “Critical error” is generated and all relays open.**
501 +
414 414  == 3.6.18 Logic high temperature protection ==
415 415  
416 416  == 3.6.19 Logic offline protection ==