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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 87.2
edited by Admin
on 2026/04/02 10:15
Change comment: There is no comment for this version
To version 84.1
edited by Admin
on 2026/04/02 09:46
Change comment: There is no comment for this version

Summary

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... ... @@ -94,7 +94,7 @@
94 94  
95 95  === SOH estimation ===
96 96  
97 -The BMS Main 3 / BMS Main 2R device calculates the state of health of the battery (SOH) using two algorithms:
97 +The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
98 98  
99 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.
100 100  
... ... @@ -402,9 +402,9 @@
402 402  
403 403  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.
404 404  
405 -BMS Main 3 can check the preacharge process by monitoring **the current and voltage difference** before and after contactors.
405 +BMS Main 3 can detect errors while pre-charging the load capacity by monitoring **the current and voltage difference** before and after contactors.
406 406  
407 -BMS Main 2R can check the preacharge process **only by monitoring the current**.
407 +BMS Main 2R can detect errors while pre-charging the load capacity **only by monitoring the current**.
408 408  
409 409  In **simple **mode precharge contactor closes a "Precharge time" before the closing of Charge or Discharge contactors and opens after the same amount of time after closing them.
410 410  
... ... @@ -431,7 +431,7 @@
431 431  * **Delay before clearing the "Precharge error"**, second;
432 432  * **Lock the "Precharge error"** – a flag to block the error until the device is restarted.
433 433  
434 -“Precharge error” generates if any of the following is true:
434 +“Precharge error” generation conditions if any of the following is true:
435 435  
436 436  * the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
437 437  * voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
... ... @@ -448,17 +448,17 @@
448 448  
449 449  BMS Main 3 / BMS Main 2R supports three charge control algorithms:
450 450  
451 -If the "**Always on**" algorithm is selected, the "Сharging signals" and the "Allow charging" signals are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
451 +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:
452 452  
453 453  * Service reset;
454 454  * Power down request;
455 455  * Inhibit charging,
456 456  
457 -both signals are cleared.
457 +both contactors are open (no current flows).
458 458  
459 459  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
460 460  
461 -* 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" signal and the "Allow charging" contactor close;
461 +* 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;
462 462  * If the signal “Charger connected” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens.
463 463  
464 464  When the "**On charge request**" algorithm selected, the control is performed as follows: