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Changes for page 3.4 Protections

Last modified by Admin on 2025/11/06 10:39
From version 42.3
edited by Admin
on 2025/10/14 10:23
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To version 47.1
edited by Admin
on 2025/11/06 10:39
Change comment: There is no comment for this version

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139 139  
140 140  === Cell imbalance ===
141 141  
142 -The BMS Main 3 device implements battery protection from too much cell imbalance. If balancing algorithm is not enough to compensate battery imbalance, then imbalance protection generates an error
142 +The BMS Main 3 device implements battery protection from too much cell imbalance. If balancing algorithm is not enough to compensate battery imbalance, then imbalance protection generates an error when imbalance is above estimated threshold.
143 143  
144 -To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
144 +To change the battery protection parameters from cell imbalance, select the "Protections → Cell imbalance" section:
145 145  
146 +[[image:1760437465709-702.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="133" width="800"]]In this section:
147 +
148 +* Enable – a flag to enable the protection;
149 +* Maximum cell imbalance, V;
150 +* Tolerant cell imbalance, V;
151 +* Delay before setting the error, millisecond;
152 +* Delay before clearing the error, second;
153 +* Lock – a flag to block the error until the device is restarted.
154 +
155 +As a result of the operation of the battery protection from cell imbalance, the "Cell imbalance” error is generated.
156 +
157 +Error generation conditions:
158 +
159 +* the voltage difference between the most charged cell and the least charged cell is more than the “Maximum cell imbalance” value for the “Delay before setting the error” time.
160 +
161 +Conditions for removing the error:
162 +
163 +* the voltage difference between the most charged cell and the least charged cell is less than the “Tolerant cell imbalance” value for the “Delay before clearing the error” time.
164 +
146 146  === Low temperature ===
147 147  
148 148  The BMS Main 3 device implements battery protection from too low temperature.
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414 414  
415 415  To change the protection parameters from the mismatch of the number of BMS Logic devices to the set value, select the "Protections → Logic count” section:
416 416  
417 -[[image:1733328415732-163.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
436 +[[image:1762425434368-516.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="125" width="800"]]
418 418  
419 419  In this section:
420 420  
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421 421  * Enable – a flag to enable the protection;
422 422  * Logic count – a number of BMS Logic devices connected to the BMS Main;
423 423  * Scan fast – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
443 +* Delay before setting the error – a delay before setting the error //during initialization//, millisecond;
444 +* Delay before clearing the error– a delay before clearing the error //during initialization//, second;
424 424  * Lock – lock the error until the device is reset.
425 425  
426 426  As a result of the operation of the protection from the mismatch of the number of BMS Logic devices, the "Logic count error" is generated.
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427 427  
428 428  Error generation conditions:
429 429  
430 -* the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
451 +* during the initialization BMS Main 3 have not found required number of BMS Logic devices during the "Delay before setting the error" time;
452 +* after the initialization the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
431 431  
432 432  Conditions for removing the error:
433 433  
434 -* the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
456 +* during the initialization BMS Main 3 have found required number of BMS Logic devices and the "Delay before setting the error" time has passed;
457 +* after the initialization the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
435 435  
436 436  (% class="box warningmessage" %)
437 437  (((
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