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Changes for page 3.4 Protections

Last modified by Admin on 2026/04/01 08:42
From version 51.1
edited by Admin
on 2026/03/31 14:44
Change comment: There is no comment for this version
To version 50.1
edited by Admin
on 2025/11/10 11:52
Change comment: There is no comment for this version

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4 4  (% data-numbered-headings-start="4" style="--numbered-headings-start: 3;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 5  == Protections ==
6 6  
7 -The BMS Main 3 / BMS Main 2R device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
7 +The BMS Main 3 device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 9  (% class="box errormessage" %)
10 10  (((
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14 14  
15 15  === Overcurrent ===
16 16  
17 -The BMS Main 3 / BMS Main 2R device performs the overcurrent protection depending on current sensor values.
17 +The BMS Main 3 device performs the overcurrent protection depending on current sensor values.
18 18  
19 19  To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
20 20  
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45 45  
46 46  === Charge current limit ===
47 47  
48 -The BMS Main 3 / BMS Main 2R device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48 +The BMS Main 3 device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
49 49  
50 50  Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
51 51  
... ... @@ -63,7 +63,7 @@
63 63  
64 64  === Discharge current limit ===
65 65  
66 -The BMS Main 3 / BMS Main 2R device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
66 +The BMS Main 3 device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
67 67  
68 68  Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
69 69  
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83 83  
84 84  === Undervoltage ===
85 85  
86 -The BMS Main 3 / BMS Main 2R device implements battery protection from too low voltage on the cells.
86 +The BMS Main 3 device implements battery protection from too low voltage on the cells.
87 87  
88 88  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
89 89  
... ... @@ -111,7 +111,7 @@
111 111  
112 112  === Overvoltage ===
113 113  
114 -The BMS Main 3 / BMS Main 2R device implements battery protection from too high voltage on the cells.
114 +The BMS Main 3 device implements battery protection from too high voltage on the cells.
115 115  
116 116  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
117 117  
... ... @@ -139,7 +139,7 @@
139 139  
140 140  === Cell imbalance ===
141 141  
142 -The BMS Main 3 / BMS Main 2R 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.
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  
144 144  To change the battery protection parameters from cell imbalance, select the "Protections → Cell imbalance" section:
145 145  
... ... @@ -164,7 +164,7 @@
164 164  
165 165  === Low temperature ===
166 166  
167 -The BMS Main 3 / BMS Main 2R device implements battery protection from too low temperature.
167 +The BMS Main 3 device implements battery protection from too low temperature.
168 168  
169 169  To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
170 170  
... ... @@ -193,7 +193,7 @@
193 193  
194 194  === High temperature ===
195 195  
196 -The BMS Main 3 / BMS Main 2R device implements battery protection from too high temperature.
196 +The BMS Main 3 device implements battery protection from too high temperature.
197 197  
198 198  To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
199 199  
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250 250  
251 251  === High humidity ===
252 252  
253 -The BMS Main 3 / BMS Main 2R can detect that the battery is operating in high humidity conditions.
253 +The BMS Main 3 can detect that the battery is operating in high humidity conditions.
254 254  
255 255  To change the detection parameters, select the "Protections → High humidity" section:
256 256  
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282 282  
283 283  === Water ===
284 284  
285 -The BMS Main 3 / BMS Main 2R can protect the battery from working in very high humidity conditions.
285 +The BMS Main 3 can protect the battery from working in very high humidity conditions.
286 286  
287 287  To change the protection parameters, select the "Protections → Water" section:
288 288  
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448 448  
449 449  Error generation conditions:
450 450  
451 -* during the initialization BMS Main 3 / BMS Main 2R have not found required number of BMS Logic devices during the "Delay before setting the error" time;
451 +* during the initialization BMS Main 3 have not found required number of BMS Logic devices during the "Delay before setting the error" time;
452 452  * after the initialization the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
453 453  
454 454  Conditions for removing the error:
455 455  
456 -* during the initialization BMS Main 3 / BMS Main 2R have found required number of BMS Logic devices and the "Delay before setting the error" time has passed;
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;
457 457  * after the initialization the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
458 458  
459 459  (% class="box warningmessage" %)
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463 463  
464 464  === Short circuit ===
465 465  
466 -The BMS Main 3 / BMS Main 2R device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
466 +The BMS Main 3 device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
467 467  
468 468  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
469 469  
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490 490  
491 491  === High contactor temperature ===
492 492  
493 -The BMS Main 3 / BMS Main 2R device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
493 +The BMS Main 3 device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
494 494  
495 495  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
496 496  
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518 518  
519 519  === Current sensor ===
520 520  
521 -The BMS Main 3 / BMS Main 2R device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
521 +The BMS Main 3 device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
522 522  
523 523  To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
524 524  
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552 552  
553 553  === Power switch ===
554 554  
555 -BMS Main 3 / BMS Main 2R device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
555 +BMS Main 3 device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
556 556  
557 557  [[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
558 558  
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570 570  
571 571  === Power fault ===
572 572  
573 -BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
573 +BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
574 574  
575 575  (% class="box infomessage" %)
576 576  (((
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600 600  
601 601  === Charge contactor cycles ===
602 602  
603 -The BMS Main 3 / BMS Main 2R device protects the charging contactor against frequent switching.
603 +The BMS Main 3 device protects the charging contactor against frequent switching.
604 604  
605 605  To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
606 606  
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627 627  
628 628  === Discharge contactor cycles ===
629 629  
630 -The BMS Main 3 / BMS Main 2R device protects the discharging contactor against frequent switching.
630 +The BMS Main 3 device protects the discharging contactor against frequent switching.
631 631  
632 632  To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
633 633  
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654 654  
655 655  === Temperature sensors ===
656 656  
657 -The BMS Main 3 / BMS Main 2R device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
657 +The BMS Main 3 device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
658 658  
659 659  To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
660 660  
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724 724  
725 725  === Stuck contactor ===
726 726  
727 -The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
727 +The BMS Main 3 device protects contactors against sticking.
728 728  
729 729  To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
730 730  
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750 750  
751 751  === Contactor feedback ===
752 752  
753 -The BMS Main 3 / BMS Main 2R device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
753 +The BMS Main 3 device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
754 754  
755 755  To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
756 756  
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774 774  
775 775  === Insulation ===
776 776  
777 -The BMS Main 3 / BMS Main 2R device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
777 +The BMS Main 3 device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
778 778  
779 779  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
780 780  
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800 800  
801 801  === HVIL ===
802 802  
803 -The BMS Main 3 / BMS Main 2R allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
803 +The BMS Main 3 allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
804 804  
805 805  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
806 806  
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826 826  
827 827  === Battery voltage ===
828 828  
829 -The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
829 +The BMS Main 3 allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
830 830  
831 831  To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
832 832