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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:19
From version 17.3
edited by Admin
on 2024/12/26 15:13
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To version 12.1
edited by Admin
on 2024/12/26 14:51
Change comment: Uploaded new attachment "1735224706573-347.png", version {1}

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44 44  
45 45  === Charge current limit ===
46 46  
47 -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.
47 +TBA
48 48  
49 -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.
50 -
51 -To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
52 -
53 -[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
54 -
55 -* Enable – a flag to enable the protection;
56 -* Threshold to switch from Region 1 to Region 2 – a current value at which
57 -*
58 -
59 -
60 60  === Discharge current limit ===
61 61  
62 -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.
51 +TBA
63 63  
64 -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.
65 -
66 -To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
67 -
68 -[[image:1735225942893-869.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
69 -
70 -In this section:
71 -
72 -* Enable – a flag to enable the protection;
73 -* Threshold to switch from Region 1 to Region 2
74 -
75 75  === Undervoltage ===
76 76  
77 77  The BMS Main 3 device implements battery protection from too low voltage on the cells.
... ... @@ -419,7 +419,7 @@
419 419  
420 420  To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
421 421  
422 -[[image:1735224667621-969.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
400 +[[image:1735224667621-969.png]]
423 423  
424 424  In this section:
425 425  
... ... @@ -427,6 +427,8 @@
427 427  ** Enable – a flag to enable the protection;
428 428  ** Maximum current, A;
429 429  ** Delay before setting the error, second;
408 +* Switch off the charging contactor on error – a flag to open the charging contactor when the "Short circuit" error occurs;
409 +* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Short circuit" error occurs;
430 430  * Delay before clearing the error, second;
431 431  * Lock – a flag to block the error until the device is restarted.
432 432  
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451 451  
452 452  To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
453 453  
454 -[[image:1735224706573-347.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
434 +[[image:1733328415734-986.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
455 455  
456 456  In this section:
457 457  
... ... @@ -460,6 +460,8 @@
460 460  * Maximum contactor temperature, °C;
461 461  * Tolerant contactor temperature, °C;
462 462  * Delay before setting the error, second;
443 +* Switch off the charging contactor on error – a flag to open the charging contactor when the "High contactor temperature" error occurs;
444 +* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "High contactor temperature" error occurs;
463 463  * Delay before clearing the error, second;
464 464  * Lock – a flag to block the error until the device is restarted.
465 465  
... ... @@ -755,18 +755,14 @@
755 755  
756 756  To change the HVIL measurement parameters, select the "Protections → HVIL" section:
757 757  
758 -[[image:1735224839441-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
740 +[[image:1733328487099-371.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="85" width="800"]]
759 759  
760 760  In this section:
761 761  
762 762  * Enable – a flag to enable the protection;
763 -* Source is OFF: Lower current limit, A;
764 -* Source is OFF: Upper current limit, A;
765 -* Source is ON: Lower current limit, A;
766 -* Source is ON: Upper current limit, A;
767 767  * Lock – a flag to block the error until the device is restarted.
768 768  
769 -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.
747 +If interlock loop breaks, the “HVIL error” is generated. Error clears if interlock loop is being restored.
770 770  
771 771  (% class="box warningmessage" %)
772 772  (((
... ... @@ -822,7 +822,7 @@
822 822  
823 823  To change the general error parameters, select the "Protections → Critical error" section:
824 824  
825 -[[image:1735224942262-497.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
803 +[[image:1733328487101-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
826 826  
827 827  In this section:
828 828  
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830 830  * Delay before setting the error, millisecond;
831 831  * Delay before clearing the error, second;
832 832  * Lock – a flag to block the error until the device is restarted;
833 -* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
811 +* Check: <error> – a flags to enable check of corresponding errors.
834 834  
835 835  The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
836 836  
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