Changes for page 3.4 Battery parameters

Last modified by Admin on 2025/04/09 12:04

From version 30.1
edited by Admin
on 2025/02/17 17:30
Change comment: There is no comment for this version
To version 31.2
edited by Admin
on 2025/02/20 11:09
Change comment: There is no comment for this version

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... ... @@ -48,6 +48,8 @@
48 48  * Final SOC – a method of calculating the battery SOC:
49 49  ** Minimum cell SOC – the battery SOC is assumed to be equal to the minimum SOC of cells;
50 50  ** Average cell SOC – the battery SOC is assumed to be equal to the average SOC of cells;
51 +** Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
52 +** Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC;
51 51  * Scale the final SOC – flag to scale the battery SOC by the following values;
52 52  * Internal SOC corresponding to 0% – battery SOC that sets to be 0%;
53 53  * Internal SOC corresponding to 100% – battery SOC that sets to be 100%.
... ... @@ -77,8 +77,10 @@
77 77  
78 78  The second method is used for a stepwise change in the current through the cell, while the value of the cell resistance:
79 79  
80 -R = (U,,2,,-U,,1,,) / (I,,stable2,,-I,,stable1,,) provided that | I,,stable2,,-I,,stable1,, | > 0.2 × Q,,max,,
82 +R = (U,,2,,-U,,1,,) / (I,,stable2,,-I,,stable1,,)
81 81  
84 +provided that | I,,stable2,,-I,,stable1,, | > 0.2 × Q,,max,,
85 +
82 82  (Q,,max,, is the maximum cell capacity),
83 83  
84 84  where U,,2,, is the voltage on the cell at the moment when the stabilized current I,,stable2,, is flowing through it; U,,1,, – the voltage on the cell at the moment when the stabilized current I,,stable1,, flowing through it.