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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 6.4
edited by Admin
on 2024/12/26 12:12
Change comment: There is no comment for this version
To version 5.1
edited by Admin
on 2024/12/16 21:07
Change comment: There is no comment for this version

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... ... @@ -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.
... ... @@ -277,7 +277,7 @@
277 277  If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
278 278  )))
279 279  
280 -=== Logic high temperature ===
272 +=== High Logic temperature ===
281 281  
282 282  To change the overheating protection parameters of BMS Logic devices, select the "Protections → High Logic temperature" section:
283 283  
... ... @@ -511,10 +511,6 @@
511 511  If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
512 512  )))
513 513  
514 -=== Power fault ===
515 -
516 -TBA
517 -
518 518  === Charge contactor cycles ===
519 519  
520 520  The BMS Main 3 device protects the charging contactor against frequent switching.
... ... @@ -704,6 +704,28 @@
704 704  If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
705 705  )))
706 706  
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 +
707 707  === Insulation ===
708 708  
709 709  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.
... ... @@ -795,7 +795,7 @@
795 795  If there is the “Critical error”, **all **contactors open.
796 796  )))
797 797  
798 -=== General error ===
808 +=== ​​​​​​​General error ===
799 799  
800 800  To change the general error parameters, select the "Protections → Critical error" section:
801 801