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Changes for page 3.4 Protections

Last modified by Admin on 2025/10/14 10:27
From version 43.1
edited by Admin
on 2025/10/14 10:24
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To version 36.1
edited by Admin
on 2025/08/22 14:07
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137 137  
138 138  * the maximum voltage among all cells of the battery is less than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
139 139  
140 -=== Cell imbalance ===
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
143 -
144 -To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
145 -
146 146  === Low temperature ===
147 147  
148 148  The BMS Main 3 device implements battery protection from too low temperature.
... ... @@ -395,19 +395,19 @@
395 395  * Delay before clearing the error, second;
396 396  * Lock – a flag to block the error until the device is restarted.
397 397  
398 -As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
392 +As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensocount error" is generated.
399 399  
400 400  Error generation conditions:
401 401  
402 -* the number of temperature sensors connected to the BMS is **not equal** to the “Number of temperature sensors” value during the “Delay before setting the error” time.
396 +* the number of cells connected to the BMS is **not equal** to the “Number of cells” value during the “Delay before setting the error” time.
403 403  
404 404  Conditions for removing the error:
405 405  
406 -* the number of temperature sensors connected to the BMS is **equal** to the “Number of temperature sensors” value during the “Delay before clearing the error” time.
400 +* the number of cells connected to the BMS is **equal** to the “Number of cells” value during the “Delay before clearing the error” time.
407 407  
408 408  (% class="box warningmessage" %)
409 409  (((
410 -If there is the "T-sensor count error", the **“Critical error” **is generated**.**
404 +If there is the "Cell count error", the **“Critical error” **is generated**.**
411 411  )))
412 412  
413 413  === Logic count ===
... ... @@ -801,37 +801,6 @@
801 801  If there is the “HVIL error”, the **“Critical error”** is generated.
802 802  )))
803 803  
804 -=== Battery voltage ===
805 -
806 -The BMS Main 3 allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
807 -
808 -To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
809 -
810 -[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
811 -
812 -In this section:
813 -
814 -* Enable – a flag to enable the protection;
815 -* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
816 -* Delay before setting the error, second;
817 -* Delay before clearing the error, second;
818 -* Lock – a flag to block the error until the device is restarted.
819 -
820 -If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
821 -
822 -Error generation conditions:
823 -
824 -* difference between sum of all cell voltages and voltage measured before the contactors is **more **than "Abnormal voltage difference" value during "Delay before setting the error" time.
825 -
826 -Conditions for removing the error:
827 -
828 -* difference between sum of all cell voltages and voltage measured before the contactors is **less **than "Abnormal voltage difference" value during "Delay before clearing the error" time.
829 -
830 -(% class="box warningmessage" %)
831 -(((
832 -If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
833 -)))
834 -
835 835  === Critical error ===
836 836  
837 837  Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
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