Skip to Content

Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 21.1
edited by Admin
on 2025/06/11 15:55
Change comment: There is no comment for this version
To version 10.1
edited by Admin
on 2025/02/28 15:26
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -168,11 +168,11 @@
168 168  
169 169  Error generation conditions:
170 170  
171 -* more than “Number of offline modules to set the error” battery modules do not respond to the commands of the BMS Main X device within “Delay before setting the error” time.
171 +* more than “Number of offline modules to set the error” battery modules do not respond to the commands of the BMS Main 3X device within “Delay before setting the error” time.
172 172  
173 173  Conditions for removing the error:
174 174  
175 -* less than “Number of offline modules to set the error” battery modules do not respond to the commands of the BMS Main X device within “Delay before clearing the error” time.
175 +* less than “Number of offline modules to set the error” battery modules do not respond to the commands of the BMS Main 3X device within “Delay before clearing the error” time.
176 176  
177 177  (% class="box warningmessage" %)
178 178  (((
... ... @@ -191,7 +191,7 @@
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 use the U,,ocv,, (corrected due to current and module resistance) module voltage;
194 +* Use the open circuit voltage to detect the error – a flag to enable U,,ocv,, correction;
195 195  * Delay before setting the error;
196 196  * Delay before clearing the error;
197 197  * Set the 'Voltage unbalance' error for the modules that are not ready to charge/discharge;
... ... @@ -209,11 +209,6 @@
209 209  * battery module is in the largest group of balanced modules during the "Delay before clearing the error" time;
210 210  * module is ready to charge or discharge.
211 211  
212 -(% class="box infomessage" %)
213 -(((
214 -If there is the “Voltage unbalance (CH)” or "Voltage unbalance (DCH)" error, **corresponding battery module do not close its contactors while joining  to charge of discharge**.
215 -)))
216 -
217 217  === Current unbalance (in “Balancing” state) ===
218 218  
219 219  When battery modules are connected in parallel, the most charged modules transfer charge to the least charged modules. The process of charge transfer is accompanied by the flow of balancing currents. The BMS Main X device detects modules with high balancing currents and generates “Current unbalance (CH)” (charge circuit) and “Current unbalance (DCH)” (discharge circuit) errors for them.
... ... @@ -220,7 +220,7 @@
220 220  
221 221  Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance":
222 222  
223 -[[image:1749657225475-323.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="91" width="600"]]
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"]]
224 224  
225 225  In this section:
226 226  
... ... @@ -277,7 +277,7 @@
277 277  If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**.
278 278  )))
279 279  
280 -=== Discharging current unbalance (in “Discharging” state) ===
275 +=== Discharging current unbalance ===
281 281  
282 282  During battery discharging, the currents of the battery modules may vary. The BMS Main X device detects modules whose discharging currents are significantly different from the currents of other modules and generates the “Discharging current unbalance” errors for them.
283 283  
... ... @@ -342,31 +342,12 @@
342 342  
343 343  To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
344 344  
345 -[[image:Battery management systems.BMS Main 3X.3\. Configuration.3\.4 Protections.WebHome@1734090244845-157.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="93" width="800"]]
346 -
347 -In this section:
348 -
349 -* Enable – a flag to enable the protection;
350 -* Delay before clearing the error, second;
351 -* Lock – a flag to block the error until the device is restarted.
352 -
353 -Conditions for removing the error:
354 -
355 -* the “Delay before clearing the error” time has passed from the device startup.
356 -
357 -(% class="box warningmessage" %)
358 -(((
359 -If there is the "WDT reset" error, **“Critical error” is generated.**
360 -)))
361 -
362 362  === Critical error ===
363 363  
364 -Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
342 +Parameters for generating the critical error are configured in the "Protections - Critical error" section:
365 365  
366 -To change the critical error parameters, select the "Protections → Critical error" section:
344 +[[image:1734356802719-477.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="69" width="600"]]
367 367  
368 -[[image:1740756532131-419.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="118" width="800"]]
369 -
370 370  In this section:
371 371  
372 372  * Enable – a flag to enable the protection;
... ... @@ -374,6 +374,18 @@
374 374  * Delay before clearing the error;
375 375  * Lock – a flag to block the error until the device is restarted.
376 376  
377 -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.
353 +The critical error flag is generated if at least one of the following errors persists during the "Delay before setting the error" time:
378 378  
379 -The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
355 +* «Battery cover»;
356 +* «Insulation fault»;
357 +* «CH contactor feedback error»;
358 +* «DCH contactor feedback error»;
359 +* «CH/DCH contactor feedback error»;
360 +* «Module offline».
361 +
362 +The critical error flag is cleared if there are no errors from the list above during the "Delay before clearing the error" time.
363 +
364 +(% class="box warningmessage" %)
365 +(((
366 +**When the critical error flag is present, all battery contactors open.**
367 +)))
1740756532131-419.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.admin
Size
... ... @@ -1,1 +1,0 @@
1 -15.7 KB
Content
1749657225475-323.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.admin
Size
... ... @@ -1,1 +1,0 @@
1 -25.6 KB
Content