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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 16.14
edited by Admin
on 2024/12/26 15:04
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To version 4.4
edited by Admin
on 2024/12/12 16:32
Change comment: Update document after refactoring.

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1 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 =
2 += Settings =
3 3  
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 ==
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12 12  
13 13  To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
14 14  
15 -[[image:1735224601506-488.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
15 +[[image:1733328382376-958.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
16 16  
17 17  In this section:
18 18  
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42 42  If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 43  )))
44 44  
45 -=== Charge current limit ===
46 -
47 -The BMS Main 3 device can check the charging current with the limit based on the Charge map. If current is more than estimated maximum, "Current limit" error is generated.
48 -
49 -To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
50 -
51 -[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
52 -
53 -* Enable – a flag to enable the protection;
54 -* Threshold to switch from Region 1 to Region 2
55 -*
56 -
57 -
58 -=== Discharge current limit ===
59 -
60 -TBA
61 -
62 62  === Undervoltage ===
63 63  
64 64  The BMS Main 3 device implements battery protection from too low voltage on the cells.
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65 65  
66 66  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
67 67  
68 -[[image:1735224224155-829.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
51 +[[image:1733328382380-760.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
69 69  
70 70  In this section:
71 71  
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72 72  * Enable – a flag to enable the protection;
73 73  * Minimum cell voltage, V;
74 74  * Tolerant cell voltage, V;
75 -* 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;
76 76  * Delay before setting the error, millisecond;
77 77  * Delay before clearing the error, second;
78 78  * Lock – a flag to block the error until the device is restarted.
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98 98  
99 99  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
100 100  
101 -[[image:1735224377252-473.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
83 +[[image:1733328382382-607.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
102 102  
103 103  In this section:
104 104  
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105 105  * Enable – a flag to enable the protection;
106 106  * Maximum cell voltage, V;
107 107  * Tolerant cell voltage, V;
108 -* 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;
109 109  * Delay before setting the error, millisecond;
110 110  * Delay before clearing the error, second;
92 +* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Overvoltage" error is generated;
111 111  * Lock – a flag to block the error until the device is restarted.
112 112  
113 113  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
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287 287  If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
288 288  )))
289 289  
290 -=== Logic high temperature ===
272 +=== High Logic temperature ===
291 291  
292 292  To change the overheating protection parameters of BMS Logic devices, select the "Protections → High Logic temperature" section:
293 293  
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406 406  
407 407  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
408 408  
409 -[[image:1735224667621-969.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
391 +[[image:1733328415733-309.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="210" width="800"]]
410 410  
411 411  In this section:
412 412  
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414 414  ** Enable – a flag to enable the protection;
415 415  ** Maximum current, A;
416 416  ** Delay before setting the error, second;
399 +* Switch off the charging contactor on error – a flag to open the charging contactor when the "Short circuit" error occurs;
400 +* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Short circuit" error occurs;
417 417  * Delay before clearing the error, second;
418 418  * Lock – a flag to block the error until the device is restarted.
419 419  
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438 438  
439 439  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
440 440  
441 -[[image:1735224706573-347.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
425 +[[image:1733328415734-986.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
442 442  
443 443  In this section:
444 444  
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447 447  * Maximum contactor temperature, °C;
448 448  * Tolerant contactor temperature, °C;
449 449  * Delay before setting the error, second;
434 +* Switch off the charging contactor on error – a flag to open the charging contactor when the "High contactor temperature" error occurs;
435 +* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "High contactor temperature" error occurs;
450 450  * Delay before clearing the error, second;
451 451  * Lock – a flag to block the error until the device is restarted.
452 452  
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517 517  If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
518 518  )))
519 519  
520 -=== Power fault ===
521 -
522 -TBA
523 -
524 524  === Charge contactor cycles ===
525 525  
526 526  The BMS Main 3 device protects the charging contactor against frequent switching.
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660 660  If there is the "Unallowable charging" error, the **discharging **contactor opens.
661 661  )))
662 662  
663 -=== Stuck contactor ===
645 +=== ​​​​​​​Stuck contactor ===
664 664  
665 665  The BMS Main 3 device protects contactors against sticking.
666 666  
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710 710  If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
711 711  )))
712 712  
713 -=== Insulation ===
695 +=== ​​​​​​​Precharge ===
714 714  
697 +BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. To change the pre-charge monitoring parameters, select the "Protections → Precharge" section:
698 +
699 +[[image:1733328487097-648.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
700 +
701 +In this section:
702 +
703 +* Enable – a flag to enable the protection;
704 +* Delay before setting the error, millisecond;
705 +* Delay before clearing the error, second;
706 +* Lock – a flag to block the error until the device is restarted.
707 +
708 +As a result of the protection algorithms the “Precharge error” is generated. Error generation conditions:
709 +
710 +* precharging process cannot be finished (the precharge current does not decrease or voltages before and after contactors are not equal) during the “Delay before setting the error” time.
711 +
712 +(% class="box infomessage" %)
713 +(((
714 +If there is the “Precharge error”, **charging **and **discharging **contactors open.
715 +)))
716 +
717 +=== ​​​​​​​Insulation ===
718 +
715 715  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.
716 716  
717 717  To change the insulation monitoring parameters, select the "Protections → Insulation" section:
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742 742  
743 743  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
744 744  
745 -[[image:1735224839441-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
749 +[[image:1733328487099-371.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="85" width="800"]]
746 746  
747 747  In this section:
748 748  
749 749  * Enable – a flag to enable the protection;
750 -* Source is OFF: Lower current limit, A;
751 -* Source is OFF: Upper current limit, A;
752 -* Source is ON: Lower current limit, A;
753 -* Source is ON: Upper current limit, A;
754 754  * Lock – a flag to block the error until the device is restarted.
755 755  
756 -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.
756 +If interlock loop breaks, the “HVIL error” is generated. Error clears if interlock loop is being restored.
757 757  
758 758  (% class="box warningmessage" %)
759 759  (((
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805 805  If there is the “Critical error”, **all **contactors open.
806 806  )))
807 807  
808 -=== General error ===
808 +=== ​​​​​​​General error ===
809 809  
810 810  To change the general error parameters, select the "Protections → Critical error" section:
811 811  
812 -[[image:1735224942262-497.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
812 +[[image:1733328487101-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
813 813  
814 814  In this section:
815 815  
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817 817  * Delay before setting the error, millisecond;
818 818  * Delay before clearing the error, second;
819 819  * Lock – a flag to block the error until the device is restarted;
820 -* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
820 +* Check: <error> – a flags to enable check of corresponding errors.
821 821  
822 822  The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
823 823  
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