Changes for page 3.5 Battery control
Last modified by Admin on 2025/03/10 12:50
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... ... @@ -169,3 +169,29 @@ 169 169 In this section: 170 170 171 171 * Enable – a flag to enable Charging/Discharging contactor controller. 172 + 173 +== 3.5.5 Main contactor == 174 + 175 +The BMS Main 2.x has a relay to control the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in a case of sealing of the charging or discharging contactor. 176 + 177 +The main contactor closes if there are no errors from the list below: 178 + 179 +* Overcurrent; 180 +* Undervoltage; 181 +* Overvoltage; 182 +* High temperature (charging); 183 +* High temperature (discharging); 184 +* Unallowable charging; 185 +* Critical error. 186 + 187 +The main contactor opens if the charging and discharging relays are opened and any of the following conditions is met: 188 + 189 +* charging or discharging current is detected during a set time; 190 +* voltage of any cell is lower than the minimum cell voltage configured in the section "Protections → Undervoltage protection" during a set time; 191 +* voltage of any cell is greater than the maximum cell voltage configured in the section "Protections → Overvoltage protection" during a set time; 192 +* temperature of any cell is greater than the maximum cell temperature configured in the section "Protections → High temperature protection" during a set time; 193 +* Critical error stays on during a set time. 194 + 195 +To change the parameters of the main contactor, select the menu "Cells → Main contactor": 196 + 197 +[[Caption>>image:1732209137414-912.png||data-xwiki-image-style-alignment="center" height="132" width="352"]]