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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 4.1
edited by Admin
on 2024/12/04 16:04
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To version 8.3
edited by Admin
on 2024/12/24 16:02
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1 -drafts.bms-main-3.3\. Settings.WebHome
1 +Battery management systems.BMS Main 3.3\. Configuration.WebHome
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8 8  
9 9  To change the common BMS settings, select the "Control → Common settings" section:
10 10  
11 -[[image:1733322611547-671.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
11 +[[image:1735054851946-552.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
12 12  
13 13  In this section:
14 14  
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16 16  * Cell resistance – nominal (maximum) internal resistance of the cells, Ohm;
17 17  * Relax time (after charging) – a relaxation time after charging, second;
18 18  * Relax time (atfer discharging) – a relaxation time after discharging, second;
19 -* Number of cycles – a number of charge-discharge cycles;
20 -* Reset parameters – a command to reset cells state of charge, capacity, and resistance.
19 +* Reset parameters – a command to reset cells state of charge, capacity, and resistance;
20 +* Method of calculating the battery voltage:
21 +** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
22 +** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
21 21  
22 22  The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
23 23  
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42 42  
43 43  To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
44 44  
45 -[[image:1733322611549-423.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="148" width="800"]]
46 46  
48 +[[image:1735056107942-306.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
49 +
47 47  The following estimation algorithms supported:
48 48  
49 49  * Voltage – by open circuit voltage;
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68 68  * Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
69 69  * Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
70 70  * Min-Max SOC – the battery SOC is taken based on the minimum and maximum SOC of the cells (recommended method).
74 +* Max-Mi SOC – the battery SOC is taken based on the minimum and maximum SOC of the cells (recommended method).
71 71  
72 72  Other parameters:
73 73  
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83 83  
84 84  === SOC correction ===
85 85  
86 -The BMS Main 3 device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see section** **2.3.2).
90 +The BMS Main 3 device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
87 87  
88 88  To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section:
89 89  
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128 128  * Minimum SOC – minimum cell SOC value for resistance calculation;
129 129  * Maximum SOC – maximum cell SOC value for resistance calculation.
130 130  
131 -The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see section 2.3.1). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
135 +The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
132 132  
133 133  === Low SOC (signal) ===
134 134  
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570 570  ** Balance on charge or relaxed - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
571 571  ** Balance always – balancing is always performed regardless the battery state;
572 572  
573 -[[image:1733322883462-975.png]]
577 +[[image:1733322883462-975.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="74" width="600"]]
574 574  
575 575  * Minimum cell voltage to start balancing, V;
576 576  * Voltage deviation to start balancing;
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