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Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 8.2
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on 2025/02/28 15:22
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To version 7.1
edited by Admin
on 2025/02/28 14:58
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... ... @@ -185,16 +185,14 @@
185 185  
186 186  Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance (in any state)":
187 187  
188 -[[image:1740754732291-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
188 +[[image:1734356793449-249.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
189 189  
190 190  In this section:
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;
195 195  * Delay before setting the error;
196 196  * Delay before clearing the error;
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.
... ... @@ -201,13 +201,11 @@
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;
205 -* module is not ready to charge or discharge;
202 +* 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.
206 206  
207 207  Conditions for clearing the error:
208 208  
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.
206 +* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time.
211 211  
212 212  === Current unbalance (in “Balancing” state) ===
213 213  
... ... @@ -223,20 +223,19 @@
223 223  * Maximum current – a maximum allowable self-balancing current of battery modules, A;
224 224  * Delay before setting the error;
225 225  * 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;
227 227  * Lock – a flag to block the error until the device is restarted.
228 228  
229 229  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 -* the current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
226 +* current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
232 232  
233 233  Conditions for clearing the error:
234 234  
235 -* the current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
230 +* current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
236 236  
237 237  If there is the error "Current unbalance (CH)" ("Current unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
238 238  
239 -=== Charging current unbalance (in “Charging” state) ===
234 +=== Charging current unbalance ===
240 240  
241 241  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.
242 242