Skip to Content

Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 8.3
edited by Admin
on 2024/12/26 14:44
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

Summary

Details

Page properties
Content
... ... @@ -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 protection;;
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.
... ... @@ -278,7 +278,7 @@
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  
... ... @@ -512,10 +512,6 @@
512 512  If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
513 513  )))
514 514  
515 -=== Power fault ===
516 -
517 -TBA
518 -
519 519  === Charge contactor cycles ===
520 520  
521 521  The BMS Main 3 device protects the charging contactor against frequent switching.
... ... @@ -705,6 +705,28 @@
705 705  If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
706 706  )))
707 707  
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 +
708 708  === Insulation ===
709 709  
710 710  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.
... ... @@ -796,7 +796,7 @@
796 796  If there is the “Critical error”, **all **contactors open.
797 797  )))
798 798  
799 -=== General error ===
808 +=== ​​​​​​​General error ===
800 800  
801 801  To change the general error parameters, select the "Protections → Critical error" section:
802 802  
1735224224155-829.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.admin
Size
... ... @@ -1,1 +1,0 @@
1 -23.4 KB
Content