Changes for page 3.4 Battery parameters
Last modified by Admin on 2025/04/09 12:04
Summary
-
Page properties (2 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 1 removed)
Details
- Page properties
-
- Parent
-
... ... @@ -1,1 +1,1 @@ 1 -drafts.bms-main-2.configuration.WebHome 1 +drafts.bms-main-2-1.configuration.WebHome - Content
-
... ... @@ -235,19 +235,6 @@ 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. ... ... @@ -256,22 +256,6 @@ 256 256 257 257 To configure parameters for determining the charge current limit, select the menu "Cells → Charge current map": 258 258 259 -[[Discharge current map settings>>image:1732208218667-968.png||data-xwiki-image-style-alignment="center" height="631" width="434"]] 260 - 261 -In this section: 262 - 263 -* Enable – a flag to start calculation of the discharge current limit; 264 -* Maximum discharging current – a maximum allowable value of the discharge current (under normal conditions): 265 -* Current factor – the dependence of the correction factor on SOC and the battery temperature – Kdischarge=Kdischarge (SOC, t°C). 266 -* Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current Kds depending on SOC and temperature; 267 -* Limit discharging current by the contactor temperature – a flag to enable correction of maximum allowable discharging current Kdc depending on the contactor temperature; 268 -* Limit discharging current by the maximum cell voltage - a flag to enable correction of maximum allowable discharging current Kdv depending on maximum cell voltage; 269 -* Limit discharging current by the maximum cell temperature - a flag to enable correction of maximum allowable discharging current Kdt depending on maximum cell temperature . 270 - 271 -Value of the discharge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows: 272 - 273 -Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt. 274 - 275 275 == 3.4.9 SOC correction == 276 276 277 277 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)).
- 1732208218667-968.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.admin - Size
-
... ... @@ -1,1 +1,0 @@ 1 -41.9 KB - Content