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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 12.2
edited by Admin
on 2024/12/26 14:52
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To version 5.1
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on 2024/12/16 21:07
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... ... @@ -12,7 +12,7 @@
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  
... ... @@ -42,14 +42,6 @@
42 42  If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 43  )))
44 44  
45 -=== Charge current limit ===
46 -
47 -TBA
48 -
49 -=== Discharge current limit ===
50 -
51 -TBA
52 -
53 53  === Undervoltage ===
54 54  
55 55  The BMS Main 3 device implements battery protection from too low voltage on the cells.
... ... @@ -56,7 +56,7 @@
56 56  
57 57  To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
58 58  
59 -[[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"]]
60 60  
61 61  In this section:
62 62  
... ... @@ -63,7 +63,6 @@
63 63  * Enable – a flag to enable the protection;
64 64  * Minimum cell voltage, V;
65 65  * Tolerant cell voltage, V;
66 -* 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;
67 67  * Delay before setting the error, millisecond;
68 68  * Delay before clearing the error, second;
69 69  * Lock – a flag to block the error until the device is restarted.
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89 89  
90 90  To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
91 91  
92 -[[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"]]
93 93  
94 94  In this section:
95 95  
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96 96  * Enable – a flag to enable the protection;
97 97  * Maximum cell voltage, V;
98 98  * Tolerant cell voltage, V;
99 -* 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;
100 100  * Delay before setting the error, millisecond;
101 101  * 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;
102 102  * Lock – a flag to block the error until the device is restarted.
103 103  
104 104  As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
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278 278  If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
279 279  )))
280 280  
281 -=== Logic high temperature ===
272 +=== High Logic temperature ===
282 282  
283 283  To change the overheating protection parameters of BMS Logic devices, select the "Protections → High Logic temperature" section:
284 284  
... ... @@ -397,7 +397,7 @@
397 397  
398 398  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
399 399  
400 -[[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"]]
401 401  
402 402  In this section:
403 403  
... ... @@ -405,6 +405,8 @@
405 405  ** Enable – a flag to enable the protection;
406 406  ** Maximum current, A;
407 407  ** 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;
408 408  * Delay before clearing the error, second;
409 409  * Lock – a flag to block the error until the device is restarted.
410 410  
... ... @@ -429,7 +429,7 @@
429 429  
430 430  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
431 431  
432 -[[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"]]
433 433  
434 434  In this section:
435 435  
... ... @@ -438,6 +438,8 @@
438 438  * Maximum contactor temperature, °C;
439 439  * Tolerant contactor temperature, °C;
440 440  * 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;
441 441  * Delay before clearing the error, second;
442 442  * Lock – a flag to block the error until the device is restarted.
443 443  
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508 508  If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
509 509  )))
510 510  
511 -=== Power fault ===
512 -
513 -TBA
514 -
515 515  === Charge contactor cycles ===
516 516  
517 517  The BMS Main 3 device protects the charging contactor against frequent switching.
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701 701  If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
702 702  )))
703 703  
695 +=== Precharge ===
696 +
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 +
704 704  === Insulation ===
705 705  
706 706  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.
... ... @@ -792,7 +792,7 @@
792 792  If there is the “Critical error”, **all **contactors open.
793 793  )))
794 794  
795 -=== General error ===
808 +=== ​​​​​​​General error ===
796 796  
797 797  To change the general error parameters, select the "Protections → Critical error" section:
798 798  
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