Changes for page 3.3 Control
Last modified by Admin on 2025/06/11 15:52
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... ... @@ -172,7 +172,7 @@ 172 172 173 173 The battery charge management is configured in the "Control - Charge" section: 174 174 175 -[[image:1740750130950-113.png]] 175 +[[image:1740750130950-113.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="800"]] 176 176 177 177 In this section: 178 178 ... ... @@ -181,19 +181,20 @@ 181 181 ** Always on – charging is always allowed; 182 182 ** Balanced – charging is allowed provided that all battery modules are balanced; 183 183 ** Partially balanced – charging is allowed for most balanced battery modules; 184 -* Current corresponding to charging – a current level to set the "Charging current present" signal, A; 185 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A; 186 -* Maximum current to rejoin modules – a maximum allowable current at which rejoining of battery modules is allowed, A; 187 -* Checking voltages time – a time of checking voltages of battery modules, ms; 188 -* Pre-balancing modules time – a time of pre-charging battery modules, ms; 189 -* Balancing modules time – a time of balancing battery modules, ms; 190 -* Control the precharging relay – a flag to control the main precharging contactor; 191 -* Precharging time – a time of precharging, ms; 192 -* Cancel charging without a delay; 184 +* Minimum number of modules allowed to join – a minimum number of battery modules that can be connected in parallel; 185 +* Allowable battery current to rejoin modules – a battery current at which joining of battery modules is permitted, A; 186 +* Allowable voltage difference to rejoin modules – a difference between the voltage of the disconnected module and the battery voltage at which its joining is permitted, V; 187 +* Checking voltages time – a time of checking voltages of battery modules before starting joining modules, millisecond; 188 +* Balancing modules time – a time of balancing battery modules after joining modules and before closing main charging contactor, millisecond; 189 +* Control the precharging contactor – a flag to control the main precharging contactor; 193 193 * Canceling charging time – a delay before opening the main charging contactor, ms; 194 -* Limit charging current – a flag that allows to limit the charging current of a modular battery so that the current of each battery module does not exceed its maximum allowable charge current; 195 -* Slew rate – a rate of change of the charge current limit when the “Limit charging current” flag is set, А/s; 196 -* Disconnect modules not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared. 191 +* Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared. 192 +* Disconnect all modules if one is not ready to charge – a flag for disconnecting all modules if any of the modules have the “Ready to charge” signal cleared; 193 +* Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears; 194 +* Maximum charge current limit – a maximum allowed charging current of all battery, A; 195 +* Errors to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus; 196 +* Errors to open the charging contactor – errors that cause the main charging contactor "Charging" to open; 197 +* Switch of the charging contactor on errors without a delay – a flag that allows the main charging contactor “Charging” to be opened without delay if errors are detected. 197 197 198 198 === Discharge === 199 199 ... ... @@ -205,10 +205,10 @@ 205 205 1. Discharging is allowed provided that all battery modules are balanced (Balanced). 206 206 1. Discharging is allowed for most balanced battery modules (Partially balanced). Unbalanced modules are disconnected from the common bus and do not participate in the discharging. 207 207 208 -The device controls two processes: joining battery modules and closing the main discharging contactor. 209 +The device controls two processes: **joining battery modules** and **closing the main discharging contactor**. 209 209 210 210 211 -The operation of the joining battery modules is described by the following steps: 212 +The operation of the** joining battery modules** is described by the following steps: 212 212 213 213 1. Battery modules are disabled. When the “Join to discharge” request is received and the voltage and current unbalance errors (Voltage unbalance (DCH), Current unbalance (DCH), Discharging current unbalance) are cleared, go to step 2. 214 214 1. Checking the voltage unbalance of battery modules (the duration of the check is set in the settings). If there is no imbalance or errors are ignored (“Always on” and “Partially balanced”), go to step 3, otherwise open all discharging contactors, and go to step 1. ... ... @@ -217,7 +217,7 @@ 217 217 1. Checking intermodular balancing currents (the duration of the check is set in the settings). If there is no current unbalance (“Current unbalance (DCH)”) or errors are ignored (“Always on”), go to step 6, otherwise open all discharging contactors, and go to step 1. 218 218 1. The battery modules are joined. If the “Join to discharge” request is cleared or "Discharging current unbalance" and "Critical error" errors occur, go to step 1. 219 219 220 -The operation of the main discharging contactor is described in the following steps: 221 +The operation of **closing the main discharging contactor **is described in the following steps: 221 221 222 222 1. The main discharging contactor is open. When the “Discharge request” is received, the voltage and current unbalance errors (“Voltage unbalance (DCH)”, “Current unbalance (DCH)”, “Discharging current unbalance”) are cleared, and the battery modules are joined, go to step 2. 223 223 1. Closing the main precharging contactor (optional). Go to step 3. ... ... @@ -226,13 +226,10 @@ 226 226 227 227 The command to turn on the main discharging contactor (“Discharging”) can be issued both to the upper-level system via the CAN bus (external), and on the opto-relay of the device that serves to directly control the main discharging contactor. 228 228 229 - 230 230 In addition to controlling the discharging contactors, the discharge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to discharge the modular battery (“Discharge current limit”). The calculation of the discharging current of the entire battery is performed based on the number of battery modules operating per discharge and the values of the current limits transmitted by them. 231 231 232 - 233 233 The battery discharge management is configured in the "Control - Discharge" section: 234 234 235 -[[image:1734356572308-630.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="139" width="600"]] 236 236 237 237 In this section: 238 238