Changes for page 3.4 Protections
Last modified by Admin on 2025/06/11 15:57
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... ... @@ -185,14 +185,16 @@ 185 185 186 186 Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance (in any state)": 187 187 188 -[[image:17 34356793449-249.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]188 +[[image:1740754732291-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]] 189 189 190 190 In this section: 191 191 192 192 * Enable – a flag to enable the protection; 193 193 * Delta voltage – maximum allowable voltage difference of battery modules, V; 194 +* Use the open circuit voltage to detect the error – a flag to enable U,,ocv,, correction; 194 194 * Delay before setting the error; 195 195 * Delay before clearing the error; 197 +* Set the 'Voltage unbalance' error for the modules that are not ready to charge/discharge; 196 196 * Lock – a flag to block the error until the device is restarted. 197 197 198 198 As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated. ... ... @@ -199,11 +199,13 @@ 199 199 200 200 Conditions for generating the error: 201 201 202 -* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time. 204 +* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time; 205 +* module is not ready to charge or discharge; 203 203 204 204 Conditions for clearing the error: 205 205 206 -* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time. 209 +* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time; 210 +* module is ready to charge or discharge. 207 207 208 208 === Current unbalance (in “Balancing” state) === 209 209 ... ... @@ -211,7 +211,7 @@ 211 211 212 212 Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance": 213 213 214 -[[image:1734 356793451-440.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]218 +[[image:Battery management systems.BMS Main 3X.3\. Configuration.3\.4 Protections.WebHome@1734090244843-403.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]] 215 215 216 216 In this section: 217 217 ... ... @@ -219,19 +219,23 @@ 219 219 * Maximum current – a maximum allowable self-balancing current of battery modules, A; 220 220 * Delay before setting the error; 221 221 * Delay before clearing the error; 226 +* Check all the time (not only in the ‘Balancing’ state) – a flag to enable voltage check not only in “Balancing” state; 222 222 * Lock – a flag to block the error until the device is restarted. 223 223 224 224 As a result of the operation of the current unbalance protection the errors “Current unbalance (CH)” and “Current unbalance (DCH)” are generated. Conditions for generating the error: 225 225 226 -* current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time. 231 +* the current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time. 227 227 228 228 Conditions for clearing the error: 229 229 230 -* current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time. 235 +* the current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time. 231 231 232 -If there is the error "Current unbalance (CH)" ("Current unbalance (DCH)"), the charging (discharging) contactor of the battery module opens. 237 +(% class="box infomessage" %) 238 +((( 239 +If there is the “Current unbalance (CH)” or "Current unbalance (DCH)" error, **corresponding battery module opens its charging or discharging contactor**. 240 +))) 233 233 234 -=== Charging current unbalance === 242 +=== Charging current unbalance (in “Charging” state) === 235 235 236 236 During battery charging, the currents of the battery modules may vary. The BMS Main X device detects modules whose charging currents are significantly different from the currents of other modules and generates the “Charging current unbalance” errors for them. 237 237 ... ... @@ -255,7 +255,10 @@ 255 255 256 256 * battery module is included in the largest group of modules with similar charge currents during the “Delay before clearing the error” time. 257 257 258 -If there is the “Charging current unbalance” error, the battery module charging contactor opens. 266 +(% class="box infomessage" %) 267 +((( 268 +If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**. 269 +))) 259 259 260 260 === Discharging current unbalance === 261 261 ... ... @@ -281,8 +281,19 @@ 281 281 282 282 * battery module is included in the largest group of modules with similar discharge currents during the “Delay before clearing the error” time. 283 283 284 -If there is the “Discharging current unbalance” error, the battery module discharging contactor opens. 295 +(% class="box infomessage" %) 296 +((( 297 +If there is the “Discharging current unbalance” error, **corresponding battery module opens its discharging contactor**. 298 +))) 285 285 300 +=== High contactor temperature === 301 + 302 +=== WDT reset === 303 + 304 +If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error. 305 + 306 +To change the parameters of the watchdog protection, select the "Protections → WDT reset" section: 307 + 286 286 === Critical error === 287 287 288 288 Parameters for generating the critical error are configured in the "Protections - Critical error" section: