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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 12.1
edited by Admin
on 2025/02/24 11:36
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166 166  The "Low SOC signal" is indicative and can be output to a discrete output or a power switch.
167 167  )))
168 168  
169 -=== High charging current (signal) ===
170 -
171 -To change the parameters of the generation high-current signal, select the "Control → High charging current (signal)" section:
172 -
173 -[[image:1740396996935-403.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]]
174 -
175 -In this section:
176 -
177 -* Enable – a flag to enable signal generation;
178 -* Maximum charging current, А;
179 -* Tolerant charging current, А;
180 -* Delay before setting the signal, second;
181 -* Delay before clearing the signal, second;
182 -* Lock – lock the signal until the device is reset.
183 -
184 -Signal generation conditions:
185 -
186 -* the measured current is greater than the “Maximum charging current” value during the “Delay before setting the signal” time.
187 -
188 -Conditions for clearing the signal:
189 -
190 -* the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
191 -
192 -(% class="box infomessage" %)
193 -(((
194 -The "High charging current" signal is indicative and can be output to a discrete output or a power switch.
195 -)))
196 -
197 197  === Charge map ===
198 198  
199 199  The BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
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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"]]
177 +[[image:1733746766504-864.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
178 +
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;
182 +* Maximum charge current – a maximum allowable value of the charge current (under normal conditions):
183 +* 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;
185 +
186 +[[image:1733746766506-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="196" width="800"]]
187 +
188 +* 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:
191 +[[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**
193 +* 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;
194 +* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage.
223 223  
196 +[[image:1733746766509-971.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="217" width="800"]]
197 +
198 +Value of the charge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows:
199 +
200 +Charging current limit = Maximum charging current × Kcs × Kcc × Kcv
201 +
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.
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