Changes for page 3.6 Battery protection
Last modified by Admin on 2025/04/09 12:25
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... ... @@ -197,7 +197,6 @@ 197 197 198 198 To change the protection parameters of the battery from high humidity, select the menu "Protections → High humidity protection": 199 199 200 - 201 201 In this section: 202 202 203 203 * Enable – a flag to enable the protection; ... ... @@ -217,139 +217,17 @@ 217 217 218 218 * the measured humidity is less than the “Tolerant humidity” during the “Delay before clearing the error” time. 219 219 220 -(% class="box infomessage" %) 221 -((( 222 222 If there is the "High humidity" error, no action is taken. The error is indicative. 223 -))) 224 224 221 + 225 225 == 3.6.8 Water protection == 226 226 227 -To change the protection parameters of the battery from water, select the menu "Protections → Water protection": 228 - 229 - 230 -In this section: 231 - 232 -* Enable – a flag to enable the protection; 233 -* Maximum (water) humidty, RH%; 234 -* Tolerant humidity, RH%; 235 -* Delay before setting the error, second; 236 -* Delay before clearing the error, second; 237 -* Lock the error until the device is reset. 238 - 239 -As a result of the operation of the battery protection from water, the "Water" error is generated. 240 - 241 -Error generation conditions: 242 - 243 -* the measured humidity is greater than the “Maximum (water) humidity” value during the “Delay before setting the error” time. 244 - 245 -Conditions for removing the error: 246 - 247 -* the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time. 248 - 249 -(% class="box warningmessage" %) 250 -((( 251 -**If there is the “Water” error, the “Critical error” is generated and all relays open.** 252 -))) 253 - 254 254 == 3.6.9 Current sensor error == 255 255 256 -The board is implemented to check the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line. 257 - 258 -To change the test parameters of the current sensor connection circuits, select the menu "Protections → Current sensor error": 259 - 260 - 261 -In this section: 262 - 263 -* Enable – a flag to enable the protection; 264 -* Maximum voltage, V; 265 -* Minimum voltage, V; 266 -* Hysteresis voltage – a hysteresis value to clear the error, V; 267 -* Delay before setting the error, second; 268 -* Delay before clearing the error, second; 269 -* Lock the error until the device is reset. 270 - 271 -If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated. 272 - 273 -Error generation conditions: 274 - 275 -* the voltage in the signal line or zero level line of the current sensor is greater than the “Maximum voltage” value during the “Delay before setting the error” time; 276 -* the voltage in the signal line or zero level line of the current sensor is less than the “Minimum voltage” value during the “Delay before setting the error” time. 277 - 278 -Conditions for removing the error: 279 - 280 -* the voltage in the signal line or zero level line of the current sensor is in range from (Minimum voltage + Hysteresis voltage) to (Maximum voltage - Hysteresis voltage) during the “Delay before clearing the error” time. 281 - 282 -(% class="box warningmessage" %) 283 -((( 284 -**If there is the “Current sensor error”, the “Critical error” is generated and all relays open.** 285 -))) 286 - 287 287 == 3.6.10 Short circuit protection == 288 288 289 -The BMS implements a protection of power circuits (contactors, power cables) against overheating caused by the flow of high current for a long time. 290 - 291 -To change the protection parameters from short circuit, select the menu "Protections → Short circuit protection": 292 - 293 - 294 -In this section: 295 - 296 -* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level: 297 -** Enable – a flag to enable the protection; 298 -** Maximum current, A; 299 -** Delay before setting the error, second; 300 -* Delay before clearing the error, second; 301 -* Switch off the charging relay on error – a flag to open the charging relay when the "Short circuit" error occurs; 302 -* Switch off the discharging relay on error – a flag to open the discharging relay when the "Short circuit" error occurs; 303 -* Lock the error until the device is reset. 304 - 305 -If there is a short circuit, the "Short circuit" error is generated. 306 - 307 -Error generation conditions: 308 - 309 -* at any of the three protection levels, the current modulo is greater than the “Maximum current” value during the “Delay before setting the error” time. 310 - 311 -Conditions for removing the error: 312 - 313 -* the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time. 314 - 315 -(% class="box infomessage" %) 316 -((( 317 -If there is the "Short circuit" error, the charging relay opens (the “Switch off the charging relay on error” flag is set) and the discharging relay opens (the “Switch off the discharging relay on error flag” is set). 318 -))) 319 - 320 320 == 3.6.11 Contactor high temperature protection == 321 321 322 -The BMS protects power contactors from overheating. To measure the temperature of the contactor, a thermistor is used, connected to the P13 connector of the board. Configuring of the analog input for temperature measurement is described in section Input signals. 323 - 324 -To change the overheating protection parameters of power contactors, select the menu "Protections → Contactor high temperature protection": 325 - 326 - 327 -In this section: 328 - 329 -* Enable – a flag to enable the protection; 330 -* Maximum temperature, °C; 331 -* Tolerant temperature, °C; 332 -* Delay before setting the error, second; 333 -* Delay before clearing the error, second; 334 -* Switch off the charging relay on error – a flag to open the charging relay when the "Contactor high temperature" error occurs; 335 -* Switch off the discharging relay on error – a flag to open the discharging relay when the "Contactor high temperature" error occurs; 336 -* Lock the error until the device is reset. 337 - 338 -If there is a contactor overheat, the "Contactor high temperature" error is generated. 339 - 340 -Error generation conditions: 341 - 342 -* the contactor temperature is greater than the “Maximum temperature” value during the “Delay before setting the error” time. 343 - 344 -Conditions for removing the error: 345 - 346 -* the contactor temperature is lower than the “Tolerant temperature” value during the “Delay before clearing the error” time. 347 - 348 -(% class="box infomessage" %) 349 -((( 350 -If there is the "Contactor high temperature" error, the charging relay opens (the “Switch off the charging relay on error” flag is set) and the discharging relay opens (the “Switch off the discharging relay on error flag” is set). 351 -))) 352 - 353 353 == 3.6.12 Unallowable charging protection == 354 354 355 355 == 3.6.13 Stuck contactor protection ==