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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 82.1
edited by Admin
on 2026/04/02 09:29
Change comment: There is no comment for this version
To version 85.1
edited by Admin
on 2026/04/02 09:52
Change comment: There is no comment for this version

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29 29  ** **Summation of cell voltages** – the overall voltage is calculated as on sum of all cells in the battery;
30 30  ** **Using voltage before contactors** – the overall voltage is estimated as voltage before contactors measured by BMS.
31 31  
32 -The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be estimated as a fraction of overall current accordingly to the number of chains in a block.
32 +The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be calculated as overall string current divided by number of chains in a block.
33 33  
34 34  The values **“Capacity”** and **“Resistance”** are used to calculate the SOC of cells and the battery.
35 35  
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39 39  
40 40  === SOC estimation ===
41 41  
42 -The BMS Main 3 / BMS Main 2R device calculates the state of charge (SOC) of each cell, and then the overall battery SOC, by using following algorithms:
42 +The BMS Main 3 / BMS Main 2R device calculates the state of charge (SOC) of each cell by using following algorithms:
43 43  
44 44  The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
45 45  
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94 94  
95 95  === SOH estimation ===
96 96  
97 -The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
97 +The BMS Main 3 / BMS Main 2R device calculates the state of health of the battery (SOH) using two algorithms:
98 98  
99 99  In **"By effective capacity" **mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge.
100 100