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Changes for page 3.4 Protections

Last modified by Admin on 2025/08/22 14:36
From version 22.10
edited by Admin
on 2025/02/11 14:33
Change comment: There is no comment for this version
To version 40.1
edited by Admin
on 2025/08/22 14:36
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 diffr, A;
58 +* Region 1: Current difference – a value of maximum absolute current difference, 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 diffr, A;
78 +* Region 1: Current difference – a value of maximum absolute current difference, 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 enable the check of voltage correction due to current and cell resistance;
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;
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 enable the check of voltage correction due to current and cell resistance;
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;
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.
... ... @@ -321,11 +321,14 @@
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:1733328399416-818.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="86" width="800"]]
324 +[[image:1755871522789-489.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
325 325  
326 +
326 326  In this section:
327 327  
328 328  * Enable – a flag to enable the protection;
330 +* Delay before setting the error, second;
331 +* Delay before clearing the error, second;
329 329  * Lock – lock the error until the device is reset.
330 330  
331 331  As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
... ... @@ -372,6 +372,35 @@
372 372  If there is the "Cell count error", the **“Critical error” **is generated**.**
373 373  )))
374 374  
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 +
375 375  === Logic count ===
376 376  
377 377  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:
... ... @@ -511,6 +511,11 @@
511 511  
512 512  BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
513 513  
546 +(% class="box infomessage" %)
547 +(((
548 +**Note:** this error can be configured only under** "Service" account**.
549 +)))
550 +
514 514  To change the parameters of the power fault error, select the "Protections → Power fault" section:
515 515  
516 516  [[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
... ... @@ -517,17 +517,19 @@
517 517  
518 518  In this section:
519 519  
520 -* Delay before clearing the error, second;
557 +* Enable – a flag to enable the protection;
521 521  * Delay before setting the error, millisecond;
522 522  * Time to keep power off, millisecond;
523 523  * Delay before clearing the error, millisecond;
524 524  * Lock – a flag to block the error until the device is restarted.
525 525  
526 -The “Power fault” occurs when the device detects a shortage or high power con in . Error is removed when the power consumption is normal during “Delay before clearing the error” time.
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.
527 527  
565 +Error is removed when the power consumption is normal during “Delay before clearing the error” time.
566 +
528 528  (% class="box warningmessage" %)
529 529  (((
530 -If there is the "Power switch error", the **“Critical error” **is generated.
569 +If there is the "Power fault", the **“Critical error” **is generated.
531 531  )))
532 532  
533 533  === Charge contactor cycles ===
... ... @@ -747,15 +747,50 @@
747 747  * Source is ON: Upper current limit, A;
748 748  * Lock – a flag to block the error until the device is restarted.
749 749  
750 -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.
789 +If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
751 751  
791 +Error clears if interlock loop is being restored.
792 +
752 752  (% class="box warningmessage" %)
753 753  (((
754 754  If there is the “HVIL error”, the **“Critical error”** is generated.
755 755  )))
756 756  
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 voltage difference check 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 +
757 757  === Critical error ===
758 758  
831 +Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
832 +
759 759  To change the critical error parameters, select the "Protections → Critical error" section:
760 760  
761 761  [[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
... ... @@ -767,33 +767,10 @@
767 767  * Delay before clearing the error, second;
768 768  * Lock – a flag to block the error until the device is restarted.
769 769  
770 -The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
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.
771 771  
772 -* “Battery cover error”;
773 -* “Water”;
774 -* “Logic offline”;
775 -* “Cell count error”;
776 -* “ADC error”;
777 -* “Current sensor error”;
778 -* “Shunt offline”;
779 -* “Shunt error”;
780 -* “WDT reset”
781 -* “No temp. sensors”;
782 -* “Temperature sensor shorted”;
783 -* “Stuck contactor”;
784 -* “CH contactor feedback error”;
785 -* “DCH contactor feedback error”;
786 -* “Insulation fault”;
787 -* “PCH contactor feedback error”;
788 -* “CH/DCH contactor feedback error”;
789 -* “Main contactor feedback error”;
790 -* “High voltage fault”;
791 -* “Power switch error”;
792 -* “HVIL error”;
793 -* “Power fault”.
846 +The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
794 794  
795 -The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
796 -
797 797  === General error ===
798 798  
799 799  To change the general error parameters, select the "Protections → Critical error" section:
... ... @@ -808,7 +808,7 @@
808 808  * Lock – a flag to block the error until the device is restarted;
809 809  * Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
810 810  
811 -The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
862 +The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
812 812  
813 813  The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
814 814  
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