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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 2.2
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on 2025/02/26 11:58
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To version 5.1
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on 2025/02/26 12:02
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45 45  
46 46  === Charge current limit ===
47 47  
48 -The BMS Main 3 device can check if the charging current exceeds the estimated limit based on the [[Charge map>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%203/3.%20Configuration/3.3%20Control/#HChargemap]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48 +The BMS Mini device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Mini S.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
49 49  
50 50  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.
51 51  
52 52  To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
53 53  
54 +[[image:1740571132019-848.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="143" width="800"]]
54 54  
55 55  In this section:
56 56  
57 57  * Enable – a flag to enable the protection;
58 58  * Threshold to switch from Region 1 to Region 2 – a current value at which current excess calculation will be switched from absolute to relative difference, A;
59 -* Region 1: Current difference – a value of maximum absolute current diffr, A;
60 +* Region 1: Current difference – a value of maximum absolute current difference, A;
60 60  * Region 2: Current difference – a value of maximum relative current excess, A;
61 61  * Delay before setting the error, millisecond;
62 62  * Delay before clearing the error, second;
63 63  * Lock – a flag to block the error until the device is restarted.
64 64  
66 +=== Discharge current limit ===
67 +
68 +The BMS Mini device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Mini S.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
69 +
70 +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.
71 +
72 +To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
73 +
74 +[[image:1740571296344-411.png]]
75 +
65 65  === Undervoltage ===
66 66  
67 67  The BMS Mini device implements battery protection from too low voltage on the cells.
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