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Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 16.1
edited by Admin
on 2025/03/18 09:53
Change comment: There is no comment for this version
To version 24.1
edited by Admin
on 2025/06/11 15:57
Change comment: There is no comment for this version

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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 +* 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;
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;
... ... @@ -209,7 +209,10 @@
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 -If there is the “Voltage unbalance (CH)” or "Voltage unbalance (DCH)" error, **corresponding battery module opens its charging or discharging contactor**.
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 +)))
213 213  
214 214  === Current unbalance (in “Balancing” state) ===
215 215  
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217 217  
218 218  Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance":
219 219  
220 -[[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"]]
223 +[[image:1749657225475-323.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="91" width="600"]]
221 221  
222 222  In this section:
223 223  
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274 274  If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**.
275 275  )))
276 276  
277 -=== Discharging current unbalance ===
280 +=== Discharging current unbalance (in “Discharging” state) ===
278 278  
279 279  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.
280 280  
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362 362  
363 363  To change the critical error parameters, select the "Protections → Critical error" section:
364 364  
365 -[[image:1740756532131-419.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="118" width="800"]]
366 366  
369 +[[image:1749657441588-644.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
370 +
367 367  In this section:
368 368  
369 369  * Enable – a flag to enable the protection;
374 +* Module errors 1, 2 to set the critical error – bitfields with module errors that generate critical error when appear on any module;
370 370  * Delay before setting the error;
371 371  * Delay before clearing the error;
372 372  * Lock – a flag to block the error until the device is restarted.
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