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Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25
From version 36.5
edited by Admin
on 2024/11/29 12:36
Change comment: Update document after refactoring.
To version 40.1
edited by Admin
on 2024/12/11 11:21
Change comment: Renamed back-links.

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1 +(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 += Configuration =
3 +
4 +(% data-numbered-headings-start="6" style="--numbered-headings-start: 5;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 +== Battery protection ==
6 +
1 1  The BMS Main 2.x board continuously monitors the state of the cells, BMS Logic boards, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
2 2  
3 -== 3.6.1 Overcurrent protection ==
9 +=== Overcurrent protection ===
4 4  
5 5  To change the current protection of the battery, select the menu "Protections → Overcurrent protection":
6 6  
7 -[[image:1732211959984-118.png||data-xwiki-image-style-alignment="center" height="266" width="386"]]
13 +[[image:1732211959984-118.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="266" width="386"]]
8 8  
9 9   In this section:
10 10  
... ... @@ -34,13 +34,13 @@
34 34  If there is the "Overcurrent" error, the **charging **and **discharging **relay open.
35 35  )))
36 36  
37 -== 3.6.2 Undervoltage protection ==
43 +=== Undervoltage protection ===
38 38  
39 39  The board implements battery protection from too low or too high voltage on the cells.
40 40  
41 41  To change the battery protection parameters from low voltage on the cells, select the menu "Protections → Undervoltage protection":
42 42  
43 -[[image:1732212212350-294.png||data-xwiki-image-style-alignment="center" height="207" width="359"]]
49 +[[image:1732212212350-294.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="207" width="359"]]
44 44  
45 45   In this section:
46 46  
... ... @@ -66,11 +66,11 @@
66 66  If there is the "Undervoltage" error, the **discharging **relay opens.
67 67  )))
68 68  
69 -== 3.6.3 Overvoltage protection ==
75 +=== Overvoltage protection ===
70 70  
71 71  To change the battery protection parameters from high voltage on the cells, select the menu "Protections → Overvoltage protection":
72 72  
73 -[[image:1732212357972-295.png||data-xwiki-image-style-alignment="center" height="218" width="338"]]
79 +[[image:1732212357972-295.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="218" width="338"]]
74 74  
75 75  In this section:
76 76  
... ... @@ -97,13 +97,13 @@
97 97  If there is the "Overvoltage" error, the **charging **relay and **discharging **relay opens (if the “Switch off the discharging relay on error” flag is set).
98 98  )))
99 99  
100 -== 3.6.4 Low temperature protection ==
106 +=== Low temperature protection ===
101 101  
102 102  The board implements battery protection from too low temperature.
103 103  
104 104  To change the battery protection parameters from low temperature, select the menu "Protections → Low temperature protection":
105 105  
106 -[[image:1732213953083-955.png||data-xwiki-image-style-alignment="center" height="237" width="338"]]
112 +[[image:1732213953083-955.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="237" width="338"]]
107 107  
108 108  In this section:
109 109  
... ... @@ -132,13 +132,13 @@
132 132  If there is the "Low DCH temperature" error, the **discharging **relay opens.
133 133  )))
134 134  
135 -== 3.6.5 High temperature protection ==
141 +=== High temperature protection ===
136 136  
137 137  The board implements battery protection from too high temperature.
138 138  
139 139  To change the battery protection parameters from high temperature, select the menu "Protections → High temperature protection":
140 140  
141 -[[image:1732213990755-759.png||data-xwiki-image-style-alignment="center" height="258" width="370"]]
147 +[[image:1732213990755-759.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="258" width="370"]]
142 142  
143 143  In this section:
144 144  
... ... @@ -167,11 +167,11 @@
167 167  If there is the "High DCH temperature" error, the **discharging **relay opens.
168 168  )))
169 169  
170 -== 3.6.6 Battery cover protection ==
176 +=== Battery cover protection ===
171 171  
172 172  To change the protection parameters from opening the battery cover, select the menu "Protections → Battery cover protection":
173 173  
174 -[[image:1732214030014-281.png||data-xwiki-image-style-alignment="center" height="155" width="334"]]
180 +[[image:1732214030014-281.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="334"]]
175 175  
176 176  In this section:
177 177  
... ... @@ -195,13 +195,13 @@
195 195  If there is the "Battery cover error", the **“Critical error” **is generated and **all relays open.**
196 196  )))
197 197  
198 -== 3.6.7 High humidity protection ==
204 +=== High humidity protection ===
199 199  
200 200  The board can protect the battery from high humidity and water.
201 201  
202 202  To change the protection parameters of the battery from high humidity, select the menu "Protections → High humidity protection":
203 203  
204 -[[image:1732214076060-358.png||data-xwiki-image-style-alignment="center" height="185" width="321"]]
210 +[[image:1732214076060-358.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="185" width="321"]]
205 205  
206 206  In this section:
207 207  
... ... @@ -227,11 +227,11 @@
227 227  If there is the "High humidity" error, no action is taken. The error is indicative.
228 228  )))
229 229  
230 -== 3.6.8  Water protection ==
236 +=== Water protection ===
231 231  
232 232  To change the protection parameters of the battery from water, select the menu "Protections → Water protection":
233 233  
234 -[[image:1732214111990-184.png||data-xwiki-image-style-alignment="center" height="199" width="340"]]
240 +[[image:1732214111990-184.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="199" width="340"]]
235 235  
236 236  In this section:
237 237  
... ... @@ -257,13 +257,13 @@
257 257  If there is the “Water” error,** **the **“Critical error”** is generated and **all relays open.**
258 258  )))
259 259  
260 -== 3.6.9 Current sensor error ==
266 +=== Current sensor error ===
261 261  
262 262  The board is implemented to check the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
263 263  
264 264  To change the test parameters of the current sensor connection circuits, select the menu "Protections → Current sensor error":
265 265  
266 -[[image:1732214146724-132.png||data-xwiki-image-style-alignment="center" height="438" width="365"]]
272 +[[image:1732214146724-132.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="438" width="365"]]
267 267  
268 268  In this section:
269 269  
... ... @@ -291,13 +291,13 @@
291 291  If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
292 292  )))
293 293  
294 -== 3.6.10 Short circuit protection ==
300 +=== Short circuit protection ===
295 295  
296 296  The BMS implements a protection of power circuits (contactors, power cables) against overheating caused by the flow of high current for a long time.
297 297  
298 298  To change the protection parameters from short circuit, select the menu "Protections → Short circuit protection":
299 299  
300 -[[image:1732214207026-822.png||data-xwiki-image-style-alignment="center" height="528" width="371"]]
306 +[[image:1732214207026-822.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="528" width="371"]]
301 301  
302 302  In this section:
303 303  
... ... @@ -325,13 +325,13 @@
325 325  If there is the "Short circuit" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
326 326  )))
327 327  
328 -== 3.6.11 Contactor high temperature protection ==
334 +=== Contactor high temperature protection ===
329 329  
330 330  The BMS protects power contactors from overheating. To measure the temperature of the contactor, a thermistor is used, connected to the P13 connector of the board. Configuring of the analog input for temperature measurement is described in section Input signals.
331 331  
332 332  To change the overheating protection parameters of power contactors, select the menu "Protections → Contactor high temperature protection":
333 333  
334 -[[image:1732214237851-405.png||data-xwiki-image-style-alignment="center" height="234" width="336"]]
340 +[[image:1732214237851-405.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="234" width="336"]]
335 335  
336 336  In this section:
337 337  
... ... @@ -359,13 +359,13 @@
359 359  If there is the "Contactor high temperature" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
360 360  )))
361 361  
362 -== 3.6.12 Unallowable charging protection ==
368 +=== Unallowable charging protection ===
363 363  
364 364  The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging relay to prevent unallowable battery operation.
365 365  
366 366  To change the parameters of the unallowable charging protection, select the menu "Protections → Unallowable charging protection":
367 367  
368 -[[image:1732214272022-547.png||data-xwiki-image-style-alignment="center" height="145" width="312"]]
374 +[[image:1732214272022-547.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="312"]]
369 369  
370 370  In this section:
371 371  
... ... @@ -389,13 +389,13 @@
389 389  If there is the "Unallowable charging" error, the **discharging **relay opens.
390 390  )))
391 391  
392 -== 3.6.13 Stuck contactor protection ==
398 +=== Stuck contactor protection ===
393 393  
394 394  The BMS Main 2.x protects contactors against sticking.
395 395  
396 396  To change the protection parameters against sticking, select the menu "Protections → Stuck contactor protection":
397 397  
398 -[[image:1732214367207-318.png||data-xwiki-image-style-alignment="center" height="152" width="331"]]
404 +[[image:1732214367207-318.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="152" width="331"]]
399 399  
400 400  In this section:
401 401  
... ... @@ -415,13 +415,13 @@
415 415  If there is the “Stuck contactor error”, the **“Critical error” **is generated and **all relays open.**
416 416  )))
417 417  
418 -== 3.6.14 Contactor feedback check ==
424 +=== Contactor feedback check ===
419 419  
420 -The BMS Main 2.x can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, one of the discrete input must be set as corresponding contactor feedback signal (see section Input and output signals).
426 +The BMS Main 2.x can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, one of the discrete input must be set as corresponding contactor feedback signal (see [[Input and output signals>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.3 Input and output signals.WebHome]]).
421 421  
422 422  To change the contactor feedback check parameters, select the menu "Protections → Contactor feedback check":
423 423  
424 -[[image:1732214400721-274.png||data-xwiki-image-style-alignment="center" height="150" width="323"]]
430 +[[image:1732214400721-274.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="150" width="323"]]
425 425  
426 426  In this section:
427 427  
... ... @@ -439,13 +439,13 @@
439 439  If there is the contactor feedback error, the **“Critical error” **is generated and **all relays open.**
440 440  )))
441 441  
442 -== 3.6.15 Charging contactor cycles protection ==
448 +=== Charging contactor cycles protection ===
443 443  
444 444  The BMS protects the charging contactor against frequent switching.
445 445  
446 446  To change the protection parameters against high frequency switching of the charging contactor, select the menu "Protections → Charging contactor cycles protection":
447 447  
448 -[[image:1732214432750-543.png||data-xwiki-image-style-alignment="center" height="260" width="336"]]
454 +[[image:1732214432750-543.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="260" width="336"]]
449 449  
450 450  In this section:
451 451  
... ... @@ -472,13 +472,13 @@
472 472  If there is the "CH contactor cycles error" error, the **charging **relay opens.
473 473  )))
474 474  
475 -== 3.6.16 Discharging contactor cycles protection ==
481 +=== Discharging contactor cycles protection ===
476 476  
477 477  The BMS protects the discharging contactor against frequent switching.
478 478  
479 479  To change the protection parameters against high frequency switching of the discharging contactor, select the menu "Protections → Discharging contactor cycles protection":
480 480  
481 -[[image:1732214468462-541.png||data-xwiki-image-style-alignment="center" height="269" width="346"]]
487 +[[image:1732214468462-541.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="269" width="346"]]
482 482  
483 483  In this section:
484 484  
... ... @@ -505,13 +505,13 @@
505 505  If there is the "DCH contactor cycles error" error, the **discharging **relay opens.
506 506  )))
507 507  
508 -== 3.6.17 Temperature sensor error ==
514 +=== Temperature sensor error ===
509 509  
510 510  The board is implemented to check the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
511 511  
512 512  To change the protection parameters of the temperature sensors circuits, select the menu "Protections → Temperature sensor error":
513 513  
514 -[[image:1732214501360-654.png||data-xwiki-image-style-alignment="center" height="154" width="334"]]
520 +[[image:1732214501360-654.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="334"]]
515 515  
516 516  In this section:
517 517  
... ... @@ -527,11 +527,11 @@
527 527  If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error” **is generated and **all relays open.**
528 528  )))
529 529  
530 -== 3.6.18 Logic high temperature protection ==
536 +=== Logic high temperature protection ===
531 531  
532 532  To change the overheating protection parameters of BMS Logic boards, select the menu "Protections → Logic high temperature protection":
533 533  
534 -[[image:1732214545352-111.png||data-xwiki-image-style-alignment="center" height="156" width="309"]]
540 +[[image:1732214545352-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="156" width="309"]]
535 535  
536 536  In this section:
537 537  
... ... @@ -555,11 +555,11 @@
555 555  Cell balancing is prohibited for overheated boards.
556 556  )))
557 557  
558 -== 3.6.19 Logic offline protection ==
564 +=== Logic offline protection ===
559 559  
560 560  To change the protection parameters from loss of communication with BMS Logic boards, select the menu "Protections → Logic offline protection":
561 561  
562 -[[image:1732214579147-515.png||data-xwiki-image-style-alignment="center" height="107" width="204"]]
568 +[[image:1732214579147-515.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="107" width="204"]]
563 563  
564 564  In this section:
565 565  
... ... @@ -581,11 +581,11 @@
581 581  If there is the "Logic offline" error, the **“Critical error”** is generated and **all relays open.**
582 582  )))
583 583  
584 -== 3.6.20 Cell count protection ==
590 +=== Cell count protection ===
585 585  
586 586  To change the protection parameters from the mismatch of the number of cells to the set value, select the menu "Protections → Cell count protection":
587 587  
588 -[[image:1732214641606-453.png||data-xwiki-image-style-alignment="center" height="178" width="341"]]
594 +[[image:1732214641606-453.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="341"]]
589 589  
590 590  In this section:
591 591  
... ... @@ -610,11 +610,11 @@
610 610  If there is the "Cell count error",** **the **“Critical error”** is generated and **all relays open.**
611 611  )))
612 612  
613 -== 3.6.21 Logic count protection ==
619 +=== Logic count protection ===
614 614  
615 615  To change the protection parameters from the mismatch of the number of BMS Logic boards to the set value, select the menu "Protections → Logic count protection":
616 616  
617 -[[image:1732214675358-202.png||data-xwiki-image-style-alignment="center" height="163" width="230"]]
623 +[[image:1732214675358-202.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="230"]]
618 618  
619 619  In this section:
620 620  
... ... @@ -638,13 +638,13 @@
638 638  If there is the "Logic count error", the **“Critical error” **is generated and **all relays open.**
639 639  )))
640 640  
641 -== 3.6.22 WDT protection ==
647 +=== WDT protection ===
642 642  
643 643  If the BMS firmware hangs, the watchdog timer resets the board. The BMS can detect that the board was reset and generates the “WDT reset” error.
644 644  
645 645  To change the parameters of the watchdog protection, select the menu "Protections → WDT protection":
646 646  
647 -[[image:1732214703914-144.png||data-xwiki-image-style-alignment="center" height="127" width="323"]]
653 +[[image:1732214703914-144.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="323"]]
648 648  
649 649  In this section:
650 650  
... ... @@ -661,13 +661,13 @@
661 661  If there is the "WDT reset" error, the **“Critical error”** is generated and** all relays open.**
662 662  )))
663 663  
664 -== 3.6.23 Insulation monitoring ==
670 +=== Insulation monitoring ===
665 665  
666 666  BMS Main 2.x can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
667 667  
668 668  To change the insulation monitoring parameters, select the menu "Protections → Insulation monitoring":
669 669  
670 -[[image:1732214731490-961.png||data-xwiki-image-style-alignment="center" height="162" width="315"]]
676 +[[image:1732214731490-961.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="315"]]
671 671  
672 672  In this section:
673 673  
... ... @@ -683,11 +683,11 @@
683 683  If there is the "Insulation monitoring" error, the **“Critical error”** is generated and** all relays open.**
684 684  )))
685 685  
686 -== 3.6.24 Critical error parameters ==
692 +=== Critical error parameters ===
687 687  
688 688  To change the critical error parameters, select the menu "Protections → Critical error parameters":
689 689  
690 -[[image:1732214761141-983.png||data-xwiki-image-style-alignment="center" height="158" width="348"]]
696 +[[image:1732214761141-983.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="158" width="348"]]
691 691  
692 692  In this section:
693 693  
... ... @@ -722,11 +722,11 @@
722 722  **If there is the “Critical error”, all relays open.**
723 723  )))
724 724  
725 -== 3.6.25 General error parameters ==
731 +=== General error parameters ===
726 726  
727 727  To change the general error parameters, select the menu "Protections → General error parameters":
728 728  
729 -[[image:1732214987517-111.png||data-xwiki-image-style-alignment="center" height="535" width="349"]]
735 +[[image:1732214987517-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="535" width="349"]]
730 730  
731 731  In this section:
732 732  
... ... @@ -745,11 +745,11 @@
745 745  The "General error" is //indicative //and can be linked to any discrete output of the board.
746 746  )))
747 747  
748 -== 3.6.26 Low SOC signal ==
754 +=== Low SOC signal ===
749 749  
750 750  To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
751 751  
752 -[[image:1732215174961-645.png||data-xwiki-image-style-alignment="center" height="186" width="325"]]
758 +[[image:1732215174961-645.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="186" width="325"]]
753 753  
754 754  In this section:
755 755  
... ... @@ -773,11 +773,11 @@
773 773  The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
774 774  )))
775 775  
776 -== 3.6.27 High charging current signal ==
782 +=== High charging current signal ===
777 777  
778 778  To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
779 779  
780 -[[image:1732215211714-445.png||data-xwiki-image-style-alignment="center" height="181" width="322"]]
786 +[[image:1732215211714-445.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="181" width="322"]]
781 781  
782 782  In this section:
783 783  
... ... @@ -801,11 +801,11 @@
801 801  The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
802 802  )))
803 803  
804 -== 3.6.28 Heater control ==
810 +=== Heater control ===
805 805  
806 806  To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
807 807  
808 -[[image:1732215252650-791.png||data-xwiki-image-style-alignment="center" height="233" width="370"]]
814 +[[image:1732215252650-791.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="233" width="370"]]
809 809  
810 810  In this section:
811 811  
... ... @@ -832,11 +832,11 @@
832 832  If there is the "Heater" signal, the **heater **relay closes and/or a signal is output to the corresponded digital output.
833 833  )))
834 834  
835 -== 3.6.29 Heater (AUX) control ==
841 +=== Heater (AUX) control ===
836 836  
837 837  To change the parameters of the auxiliary heater control algorithm, select the menu "Protections → Heater (AUX) control":
838 838  
839 -[[image:1732215282135-420.png||data-xwiki-image-style-alignment="center" height="228" width="361"]]
845 +[[image:1732215282135-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="228" width="361"]]
840 840  
841 841  In this section:
842 842  
... ... @@ -863,11 +863,11 @@
863 863  If there is the "Heater (AUX)" signal, the **auxiliary heater **relay closes and/or a signal is output to the corresponded digital output.
864 864  )))
865 865  
866 -== 3.6.30 Cooler control ==
872 +=== Cooler control ===
867 867  
868 868  To change the parameters of the cooler control algorithm, select the menu "Protections → Cooler control":
869 869  
870 -[[image:1732215313977-499.png||data-xwiki-image-style-alignment="center" height="219" width="348"]]
876 +[[image:1732215313977-499.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="348"]]
871 871  
872 872  In this section:
873 873  
... ... @@ -894,12 +894,12 @@
894 894  If there is the "Cooler" signal, the **cooler **relay closes and/or a signal is output to the corresponded digital output.
895 895  )))
896 896  
897 -== 3.6.31 Fault simulation ==
903 +=== Fault simulation ===
898 898  
899 899  The board provides the ability to manually generate error flags bypassing the protection algorithms. This functionality is intended for commissioning.
900 900  
901 901  To simulate battery and BMS errors, select the menu "Protections → Fault simulation":
902 902  
903 -[[image:1732215359330-850.png||data-xwiki-image-style-alignment="center" height="732" width="204"]]
909 +[[image:1732215359330-850.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="732" width="204"]]
904 904  
905 905  To simulate errors, set the necessary flags and click on the "Save" button.