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Changes for page 3.4 Battery parameters

Last modified by Admin on 2025/04/09 12:04
From version 8.2
edited by Admin
on 2024/11/21 16:48
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To version 8.1
edited by Admin
on 2024/11/21 16:48
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... ... @@ -162,22 +162,10 @@
162 162  * Coulomb threshold – the difference of the charges Qthr, given by a series of cells, above which balancing to be started, Ah;
163 163  * Period – period to reset of charge counters for each series (to avoid accumulation of error), second.
164 164  
165 -== 3.4.6 Cell analysis ==
165 +== ==
166 166  
167 -Discharge characteristics of the battery – the dependence Uocv = Uocv (DOD) – is used to determine the tabular dependence Uocv = Uocv (SOC, t °C) (see section Calculating the state of charge (SOC)), which is necessary for calculating the state of charge of the battery.
167 +== ==
168 168  
169 -The BMS Main 2.x board can automatically determine the battery discharge characteristic.
170 -
171 -Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
172 -
173 -1. Charge the battery.
174 -1. Connect a contactor to the discharging relay which switches the resistive load to the battery.
175 -1. Connect a resistive load to the contactor, which will provide a discharge current of 0.5C (where C is the cell capacitance).
176 -
177 -To configure parameters for determining the discharge characteristic of the battery, select the menu "Cells → Cell analysis":
178 -
179 -[[Cell analysis section>>image:1732207696322-587.png||data-xwiki-image-style-alignment="center" height="213" width="258"]]
180 -
181 181  == SOC correction ==
182 182  
183 183  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)).