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Changes for page 3.4 Protections

Last modified by Admin on 2025/08/22 14:36
From version 38.1
edited by Admin
on 2025/08/22 14:13
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To version 25.2
edited by Admin
on 2025/02/17 10:35
Change comment: There is no comment for this version

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... ... @@ -55,7 +55,7 @@
55 55  
56 56  * Enable – a flag to enable the protection;
57 57  * Threshold to switch from Region 1 to Region 2 – a current value at which current excess calculation will be switched from absolute to relative difference, A;
58 -* Region 1: Current difference – a value of maximum absolute current difference, A;
58 +* Region 1: Current difference – a value of maximum absolute current diffr, A;
59 59  * Region 2: Current difference – a value of maximum relative current excess, A;
60 60  * Delay before setting the error, millisecond;
61 61  * Delay before clearing the error, second;
... ... @@ -75,7 +75,7 @@
75 75  
76 76  * Enable – a flag to enable the protection;
77 77  * Threshold to switch from Region 1 to Region 2 – a current value at which current excess calculation will be switched from absolute to relative difference, A;
78 -* Region 1: Current difference – a value of maximum absolute current difference, A;
78 +* Region 1: Current difference – a value of maximum absolute current diffr, A;
79 79  * Region 2: Current difference – a value of maximum relative current excess, A;
80 80  * Delay before setting the error, millisecond;
81 81  * Delay before clearing the error, second;
... ... @@ -94,7 +94,7 @@
94 94  * Enable – a flag to enable the protection;
95 95  * Minimum cell voltage, V;
96 96  * Tolerant cell voltage, V;
97 -* Check the open circuit voltage instead of the actual voltage – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
97 +* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
98 98  * Delay before setting the error, millisecond;
99 99  * Delay before clearing the error, second;
100 100  * Lock – a flag to block the error until the device is restarted.
... ... @@ -122,7 +122,7 @@
122 122  * Enable – a flag to enable the protection;
123 123  * Maximum cell voltage, V;
124 124  * Tolerant cell voltage, V;
125 -* Check the open circuit voltage instead of the actual voltage – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
125 +* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
126 126  * Delay before setting the error, millisecond;
127 127  * Delay before clearing the error, second;
128 128  * Lock – a flag to block the error until the device is restarted.
... ... @@ -321,14 +321,11 @@
321 321  
322 322  To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
323 323  
324 -[[image:1755871522789-489.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
324 +[[image:1733328399416-818.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="86" width="800"]]
325 325  
326 -
327 327  In this section:
328 328  
329 329  * Enable – a flag to enable the protection;
330 -* Delay before setting the error, second;
331 -* Delay before clearing the error, second;
332 332  * Lock – lock the error until the device is reset.
333 333  
334 334  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
... ... @@ -375,35 +375,6 @@
375 375  If there is the "Cell count error", the **“Critical error” **is generated**.**
376 376  )))
377 377  
378 -=== Temperature sensor count ===
379 -
380 -To change the protection parameters from the mismatch of the number of temperature sensors to the set value, select the "Protections → Temperature sensor count" section:
381 -
382 -[[image:1755871582533-550.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
383 -
384 -In this section:
385 -
386 -* Enable – a flag to enable the protection;
387 -* Number of cells – a number of temperature sensors connected to the BMS;
388 -* Delay before setting the error, millisecond;
389 -* Delay before clearing the error, second;
390 -* Lock – a flag to block the error until the device is restarted.
391 -
392 -As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
393 -
394 -Error generation conditions:
395 -
396 -* 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.
397 -
398 -Conditions for removing the error:
399 -
400 -* 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.
401 -
402 -(% class="box warningmessage" %)
403 -(((
404 -If there is the "T-sensor count error", the **“Critical error” **is generated**.**
405 -)))
406 -
407 407  === Logic count ===
408 408  
409 409  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:
... ... @@ -560,7 +560,7 @@
560 560  * Delay before clearing the error, millisecond;
561 561  * Lock – a flag to block the error until the device is restarted.
562 562  
563 -The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. After that BMS turns off the corresponding power supply for "Time to keep power off", then it tries to enable power again.
531 +The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. After that BMS turns off the corresponding power supply for the Time to keep power off
564 564  
565 565  Error is removed when the power consumption is normal during “Delay before clearing the error” time.
566 566  
... ... @@ -786,49 +786,16 @@
786 786  * Source is ON: Upper current limit, A;
787 787  * Lock – a flag to block the error until the device is restarted.
788 788  
789 -If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
757 +If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated. Error clears if interlock loop is being restored.
790 790  
791 -Error clears if interlock loop is being restored.
792 -
793 793  (% class="box warningmessage" %)
794 794  (((
795 795  If there is the “HVIL error”, the **“Critical error”** is generated.
796 796  )))
797 797  
798 -=== Battery voltage ===
799 -
800 -The BMS Main 3 allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
801 -
802 -To change the HVIL measurement parameters, select the "Protections → Battery voltage" section:
803 -
804 -[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
805 -
806 -In this section:
807 -
808 -* Enable – a flag to enable the protection;
809 -* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
810 -* Delay before setting the error, second;
811 -* Delay before clearing the error, second;
812 -* Lock – a flag to block the error until the device is restarted.
813 -
814 -If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
815 -
816 -Error generation conditions:
817 -
818 -* 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.
819 -
820 -Conditions for removing the error:
821 -
822 -* 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.
823 -
824 -(% class="box warningmessage" %)
825 -(((
826 -If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
827 -)))
828 -
829 829  === Critical error ===
830 830  
831 -Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
766 +Some of the errors are system critical. A separate signal named "Critical error" indicates a system misbehaviour.
832 832  
833 833  To change the critical error parameters, select the "Protections → Critical error" section:
834 834  
... ... @@ -841,7 +841,7 @@
841 841  * Delay before clearing the error, second;
842 842  * Lock – a flag to block the error until the device is restarted.
843 843  
844 -The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
779 +The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time:
845 845  
846 846  The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
847 847  
... ... @@ -859,7 +859,7 @@
859 859  * Lock – a flag to block the error until the device is restarted;
860 860  * Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
861 861  
862 -The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
797 +The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
863 863  
864 864  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
865 865  
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