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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:15
From version 15.2
edited by Admin
on 2025/02/24 11:41
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To version 15.1
edited by Admin
on 2025/02/24 11:39
Change comment: Uploaded new attachment "1740397188247-315.png", version {1}

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202 202  
203 203  To configure parameters for determining the charge current limit, select the "Control → Charge map" section:
204 204  
205 -[[image:1740397188247-315.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
205 +[[image:1733746766504-864.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
206 +
206 206  In this section:
207 207  
208 208  * Enable – a flag to start calculation of the charge current limit;
209 -* Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
210 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
211 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on SOC and battery temperature;
210 +* Maximum charge current – a maximum allowable value of the charge current (under normal conditions):
211 +* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current Kcs depending on SOC and battery temperature;
212 212  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
213 -* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
213 +
214 +[[image:1733746766506-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="196" width="800"]]
215 +
216 +* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature;
214 214  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
215 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on maximum cell voltage;
216 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
217 -* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
218 -* Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
219 219  
220 -Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
219 +[[image:1733746766508-178.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="184" width="800"]]
221 221  
222 -**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct**
221 +* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current Kcv depending on maximum cell voltage;
222 +* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage.
223 223  
224 +[[image:1733746766509-971.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="217" width="800"]]
225 +
226 +Value of the charge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows:
227 +
228 +Charging current limit = Maximum charging current × Kcs × Kcc × Kcv
229 +
224 224  === Discharge map ===
225 225  
226 226  The BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.