Skip to Content

Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 14.1
edited by Admin
on 2025/02/28 15:33
Change comment: There is no comment for this version
To version 20.1
edited by Admin
on 2025/06/11 15:53
Change comment: Uploaded new attachment "1749657225475-323.png", version {1}

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 3X 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 X 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 3X 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 X 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 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;
... ... @@ -209,6 +209,11 @@
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 +
212 212  === Current unbalance (in “Balancing” state) ===
213 213  
214 214  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.
... ... @@ -272,7 +272,7 @@
272 272  If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**.
273 273  )))
274 274  
275 -=== Discharging current unbalance ===
280 +=== Discharging current unbalance (in “Discharging” state) ===
276 276  
277 277  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.
278 278  
1749657225475-323.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +25.6 KB
Content