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Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 7.3
edited by Admin
on 2025/02/28 14:59
Change comment: There is no comment for this version
To version 8.2
edited by Admin
on 2025/02/28 15:22
Change comment: There is no comment for this version

Summary

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... ... @@ -191,10 +191,10 @@
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 Uocv correction;
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 -* Set the 'Voltage '
197 +* Set the 'Voltage unbalance' error for the modules that are not ready to charge/discharge;
198 198  * Lock – a flag to block the error until the device is restarted.
199 199  
200 200  As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated.
... ... @@ -201,11 +201,13 @@
201 201  
202 202  Conditions for generating the error:
203 203  
204 -* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time.
204 +* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time;
205 +* module is not ready to charge or discharge;
205 205  
206 206  Conditions for clearing the error:
207 207  
208 -* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time.
209 +* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time;
210 +* module is ready to charge or discharge.
209 209  
210 210  === Current unbalance (in “Balancing” state) ===
211 211  
... ... @@ -221,19 +221,20 @@
221 221  * Maximum current – a maximum allowable self-balancing current of battery modules, A;
222 222  * Delay before setting the error;
223 223  * Delay before clearing the error;
226 +* Check all the time (not only in the ‘Balancing’ state) – a flag to enable voltage check not only in “Balancing” state;
224 224  * Lock – a flag to block the error until the device is restarted.
225 225  
226 226  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:
227 227  
228 -* current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
231 +* the current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
229 229  
230 230  Conditions for clearing the error:
231 231  
232 -* current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
235 +* the current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
233 233  
234 234  If there is the error "Current unbalance (CH)" ("Current unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
235 235  
236 -=== Charging current unbalance ===
239 +=== Charging current unbalance (in “Charging” state) ===
237 237  
238 238  During battery charging, the currents of the battery modules may vary. The BMS Main X device detects modules whose charging currents are significantly different from the currents of other modules and generates the “Charging current unbalance” errors for them.
239 239