Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:15
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... ... @@ -166,6 +166,34 @@ 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 + 169 169 === Charge map === 170 170 171 171 The BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage. ... ... @@ -174,31 +174,25 @@ 174 174 175 175 To configure parameters for determining the charge current limit, select the "Control → Charge map" section: 176 176 177 -[[image:1733746766504-864.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]] 178 - 205 +[[image:1740397188247-315.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]] 179 179 In this section: 180 180 181 181 * Enable – a flag to start calculation of the charge current limit; 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; 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; 184 184 * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery 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; 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; 189 189 * 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. 190 190 191 - [[image:1733746766508-178.png||data-xwiki-image-style-alignment="center"data-xwiki-image-style-border="true"height="184"width="800"]]220 +Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows: 192 192 193 -* 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. 222 +**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct** 195 195 196 -[[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 - 202 202 === Discharge map === 203 203 204 204 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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