Changes for page 3.4 Battery parameters
Last modified by Admin on 2025/04/09 12:04
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... ... @@ -61,10 +61,23 @@ 61 61 62 62 The SOC calculation algorithm “Current and voltage (enhanced)” differs from the simplified algorithm by online correction of effective capacitance. When using this algorithm, it is necessary to fine tune the tabular dependence Uocv = Uocv (SOC, t °C). 63 63 64 -3.4.3 SOC correction64 +== 3.4.3 == 65 65 66 +== == 67 + 68 +== SOC correction == 69 + 66 66 The BMS Main 2.x board 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 Calculating the state of charge (SOC)). 67 67 68 68 To configure parameters for periodically correcting the battery state of charge, select the menu "Cells → SOC correction": 69 69 74 +[[SOC correction settings>>image:1732206262509-786.png||data-xwiki-image-style-alignment="center" height="291" width="298"]] 75 + 76 + In this section: 77 + 78 +* Enable – a flag to enable SOC correction; 79 +* Shutdown period – a time the battery is off, day. If the BMS detects on its startup that it was off during the “Shutdown period” time, the BMS recalculates the battery state of charge base on the tabular dependency Uocv = Uocv (SOC, t); 80 +* Correction period – a period of correcting the battery SOC, day. If the BMS detects that the last correction was more than the “Correction period” ago, the BMS recalculates the battery state of charge base on the tabular dependency Uocv = Uocv (SOC, t) and tunes it gradually during the “SOC change time”; 81 +* SOC change time – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute. 82 + 70 70