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Changes for page 3.4 Battery parameters

Last modified by Admin on 2025/04/09 12:04
From version 10.2
edited by Admin
on 2024/11/21 16:56
Change comment: There is no comment for this version
To version 9.2
edited by Admin
on 2024/11/21 16:54
Change comment: There is no comment for this version

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235 235  
236 236  [[Charge current map settings>>image:1732208033738-498.png||data-xwiki-image-style-alignment="center" height="655" width="453"]]
237 237  
238 -In this section:
239 -
240 -* Enable – a flag to start calculation of the charge current limit;
241 -* Maximum charging current – a maximum allowable value of the charge current (under normal conditions):
242 -* Limit charging current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current Kcs depending on SOC and temperature;
243 -* Limit charging current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on the contactor temperature;
244 -* Limit charging current by the maximum cell voltage – a flag to enable correction of maximum allowable charging current Kcv depending on maximum cell voltage;
245 -* Limit charging current by the maximum cell temperature – a flag to enable correction of maximum allowable charging current Kct depending on maximum cell temperature.
246 -
247 -Value of the charge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows:
248 -
249 -Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct.
250 -
251 251  == 3.4.8 Discharge current map ==
252 252  
253 253  The BMS Main 2.x board calculates maximum allowable discharge current values in respect to SOC and battery temperature, contactor temperature and maximum cell voltage.
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256 256  
257 257  To configure parameters for determining the charge current limit, select the menu "Cells → Charge current map":
258 258  
259 -[[image:1732208218667-968.png]]
260 -
261 261  == 3.4.9 SOC correction ==
262 262  
263 263  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)).
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