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 ||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="800"]]175 +[[image:1740750130950-113.png]] 176 176 177 177 In this section: 178 178 ... ... @@ -181,20 +181,19 @@ 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 -* 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; 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; 190 190 * Canceling charging time – a delay before opening the main charging contactor, ms; 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. 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. 198 198 199 199 === Discharge === 200 200 ... ... @@ -206,10 +206,10 @@ 206 206 1. Discharging is allowed provided that all battery modules are balanced (Balanced). 207 207 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. 208 208 209 -The device controls two processes: **joining battery modules**and**closing the main discharging contactor**.208 +The device controls two processes: joining battery modules and closing the main discharging contactor. 210 210 211 211 212 -The operation of the **joining battery modules**is described by the following steps:211 +The operation of the joining battery modules is described by the following steps: 213 213 214 214 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. 215 215 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. ... ... @@ -218,7 +218,7 @@ 218 218 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. 219 219 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. 220 220 221 -The operation of **closingthe main discharging contactor**is described in the following steps:220 +The operation of the main discharging contactor is described in the following steps: 222 222 223 223 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. 224 224 1. Closing the main precharging contactor (optional). Go to step 3. ... ... @@ -227,10 +227,13 @@ 227 227 228 228 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. 229 229 229 + 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 + 232 232 The battery discharge management is configured in the "Control - Discharge" section: 233 233 235 +[[image:1734356572308-630.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="139" width="600"]] 234 234 235 235 In this section: 236 236