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Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57
From version 7.2
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To version 6.1
edited by Admin
on 2025/02/28 14:56
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154 154  
155 155  Protection against loss of communication with battery modules is configured in the "Protections - Module offline" section:
156 156  
157 -[[image:1740754588971-137.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="118" width="800"]]
157 +[[image:1734356793441-881.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="75" width="600"]]
158 158  
159 159  In this section:
160 160  
161 -* Enable – a flag to enable the protection;
162 -* Number of offline modules to set the error;
163 -* Delay before setting the error, second;
164 -* Delay before clearing the error, second;
165 -* Lock – lock the error until the device is reset.
161 +* Enable – a flag to enable the protection;
162 +* Delay before setting the error;
163 +* Delay before clearing the error;
164 +* Lock – a flag to block the error until the device is restarted.
166 166  
167 -As a result of the protection from loss of communication with battery modules, the "Module offline" error is generated.
166 +As a result of the protection against loss of communication with the battery module, the “Module offline” error is generated. Conditions for generating the error:
168 168  
169 -Error generation conditions:
168 +* at least one of the battery modules does not respond to commands within the "Delay before setting the error" time.
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.
170 +Conditions for clearing the error:
172 172  
173 -Conditions for removing the error:
172 +* all battery modules respond to commands within the "Delay before clearing the error" time.
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.
176 -
177 177  (% class="box warningmessage" %)
178 178  (((
179 -If there is the "Module offline" error, **“Critical error” is generated.**
176 +If there is the "Module offline" error, **the critical error flag is generated and all battery contactors open.**
180 180  )))
181 181  
182 -=== Voltage unbalance (in any state) ===
179 +=== Voltage unbalance ===
183 183  
184 184  Before closing the contactors for charging and discharging battery modules, the BMS Main X device detects those modules whose voltage is significantly different from the rest. For unbalanced modules, errors "Voltage unbalance (CH)" (charge circuit) and "Voltage unbalance (DCH)" (discharge circuit) are generated.
185 185  
186 -Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance (in any state)":
183 +Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance":
187 187  
188 -[[image:1740754732291-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
185 +[[image:1734356793449-249.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="75" width="600"]]
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 Uocv correction;
195 195  * Delay before setting the error;
196 196  * Delay before clearing the error;
197 -* Set the 'V'
198 198  * Lock – a flag to block the error until the device is restarted.
199 199  
200 -As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated.
195 +As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated. Conditions for generating the error:
201 201  
202 -Conditions for generating the error:
203 -
204 204  * 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.
205 205  
206 206  Conditions for clearing the error:
... ... @@ -207,13 +207,15 @@
207 207  
208 208  * battery module is in the largest group of balanced modules during the "Delay before clearing the error" time.
209 209  
210 -=== Current unbalance (in “Balancing” state) ===
203 +If there is the error "Voltage unbalance (CH)" ("Voltage unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
211 211  
205 +=== Current unbalance ===
206 +
212 212  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.
213 213  
214 214  Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance":
215 215  
216 -[[image:1734356793451-440.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]
211 +[[image:1734356793451-440.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="77" width="600"]]
217 217  
218 218  In this section:
219 219  
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