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Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 11.1
edited by Admin
on 2025/02/28 15:27
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To version 9.1
edited by Admin
on 2025/02/28 15:26
Change comment: Загрузить новое вложение 1740756362809-292.png

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... ... @@ -226,10 +226,8 @@
226 226  * Check all the time (not only in the ‘Balancing’ state) – a flag to enable voltage check not only in “Balancing” state;
227 227  * Lock – a flag to block the error until the device is restarted.
228 228  
229 -As a result of the operation of the current unbalance protection the errors “Current unbalance (CH)” and “Current unbalance (DCH)” are generated.
229 +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:
230 230  
231 -Conditions for generating the error:
232 -
233 233  * the current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
234 234  
235 235  Conditions for clearing the error:
... ... @@ -257,10 +257,8 @@
257 257  * Delay before clearing the error;
258 258  * Lock – a flag to block the error until the device is restarted.
259 259  
260 -As a result of the operation of the protection the “Charging current unbalance” are generated.
258 +As a result of the operation of the protection the “Charging current unbalance” are generated. Conditions for generating the errors:
261 261  
262 -Conditions for generating the errors:
263 -
264 264  * battery module is not included in the largest group of modules whose charge currents differ from each other by no more than "Delta current" during the "Delay before setting the error" time.
265 265  
266 266  Conditions for clearing the error:
... ... @@ -288,10 +288,8 @@
288 288  * Delay before clearing the error;
289 289  * Lock – a flag to block the error until the device is restarted.
290 290  
291 -As a result of the operation of the protection the “Discharging current unbalance” are generated.
287 +As a result of the operation of the protection the “Discharging current unbalance” are generated. Conditions for generating the errors:
292 292  
293 -Conditions for generating the errors:
294 -
295 295  * battery module is not included in the largest group of modules whose discharge currents differ from each other by no more than "Delta current" during the "Delay before setting the error" time.
296 296  
297 297  Conditions for clearing the error:
... ... @@ -305,32 +305,6 @@
305 305  
306 306  === High contactor temperature ===
307 307  
308 -The BMS Main X device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
309 -
310 -To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
311 -
312 -[[image:1740756362809-292.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
313 -
314 -In this section:
315 -
316 -* Enable – a flag to enable the protection;
317 -* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
318 -* Maximum contactor temperature, °C;
319 -* Tolerant contactor temperature, °C;
320 -* Delay before setting the error, second;
321 -* Delay before clearing the error, second;
322 -* Lock – a flag to block the error until the device is restarted.
323 -
324 -If there is a contactor overheat, the "High contactor temperature" error is generated.
325 -
326 -Error generation conditions:
327 -
328 -* the contactor temperature is greater than the “Maximum contactor temperature” value during the “Delay before setting the error” time.
329 -
330 -Conditions for removing the error:
331 -
332 -* the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
333 -
334 334  === WDT reset ===
335 335  
336 336  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.
... ... @@ -339,10 +339,8 @@
339 339  
340 340  === Critical error ===
341 341  
342 -Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
310 +Parameters for generating the critical error are configured in the "Protections - Critical error" section:
343 343  
344 -To change the critical error parameters, select the "Protections → Critical error" section:
345 -
346 346  [[image:1734356802719-477.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="69" width="600"]]
347 347  
348 348  In this section:
... ... @@ -352,6 +352,18 @@
352 352  * Delay before clearing the error;
353 353  * Lock – a flag to block the error until the device is restarted.
354 354  
355 -The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.2\. Strings controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
321 +The critical error flag is generated if at least one of the following errors persists during the "Delay before setting the error" time:
356 356  
357 -The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
323 +* «Battery cover»;
324 +* «Insulation fault»;
325 +* «CH contactor feedback error»;
326 +* «DCH contactor feedback error»;
327 +* «CH/DCH contactor feedback error»;
328 +* «Module offline».
329 +
330 +The critical error flag is cleared if there are no errors from the list above during the "Delay before clearing the error" time.
331 +
332 +(% class="box warningmessage" %)
333 +(((
334 +**When the critical error flag is present, all battery contactors open.**
335 +)))