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Changes for page 3.4 Protections

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100 100  
101 101  Insulation protection is configured in the "Protections - Insulation" section:
102 102  
103 -[[image:1734356776694-257.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="68" width="600"]]
103 +[[image:1740754491323-815.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="121" width="800"]]
104 104  
105 105  In this section:
106 106  
107 -* Enable – a flag to enable the protection;
108 -* Delay before setting the error;
109 -* Delay before clearing the error;
107 +* Enable – a flag to enable the protection;
108 +* Checking algorithm – isolation checking mode:
109 +** Always on – check is always performed;
110 +** On charging – check is performed only if the “Charge request” is set;
111 +** Except charging - check is performed only if the “Charge request” is cleared;
112 +* Delay before setting the error, second;
113 +* Delay before clearing the error, second;
110 110  * Lock – a flag to block the error until the device is restarted.
111 111  
112 -As a result of the operation of the insulation fault protection, the error “Insulation fault” is generated. Conditions for generating the error:
116 +The “Insulation fault” is set if the “Insulation status” signal is detected during the “Delay before setting the error” time. The “Insulation status” signal can be received through the discrete input or by the CAN bus from an insulation monitoring device. The “Insulation fault” is cleared if the “Insulation status” signal is cleared during the “Delay before clearing the error” time.
113 113  
114 -* presence of the “Insulation status” signal during the “Delay before setting the error” time.
115 -
116 -Conditions for clearing the error:
117 -
118 -* no “Insulation status” signal during the “Delay before clearing the error” time.
119 -
120 120  (% class="box warningmessage" %)
121 121  (((
122 -If there is the "Insulation fault" error, **the critical error flag is generated and all battery contactors open.**
120 +If there is the "Insulation fault" error, **the critical error flag is generated.**
123 123  )))
124 124  
125 125  === Contactor feedback ===
... ... @@ -128,7 +128,7 @@
128 128  
129 129  Contactor feedback protection is configured in the “Protections – Contactor feedback” section:
130 130  
131 -[[image:1734356776695-557.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="67" width="600"]]
129 +[[image:1734356776695-557.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="89" width="800"]]
132 132  
133 133  In this section:
134 134  
... ... @@ -147,7 +147,7 @@
147 147  
148 148  (% class="box warningmessage" %)
149 149  (((
150 -If there is the “CH contactor feedback error”, “DCH contactor feedback error”, or “CH/DCH contactor feedback error”, **the critical error flag is generated and all battery contactors open.**
148 +If there is the “CH contactor feedback error”, “DCH contactor feedback error”, or “CH/DCH contactor feedback error”, **the critical error flag is generated.**
151 151  )))
152 152  
153 153  === Module offline ===
... ... @@ -156,61 +156,68 @@
156 156  
157 157  Protection against loss of communication with battery modules is configured in the "Protections - Module offline" section:
158 158  
159 -[[image:1734356793441-881.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="75" width="600"]]
157 +[[image:1740754588971-137.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="118" width="800"]]
160 160  
161 161  In this section:
162 162  
163 -* Enable – a flag to enable the protection;
164 -* Delay before setting the error;
165 -* Delay before clearing the error;
166 -* Lock – a flag to block the error until the device is restarted.
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.
167 167  
168 -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:
167 +As a result of the protection from loss of communication with battery modules, the "Module offline" error is generated.
169 169  
170 -* at least one of the battery modules does not respond to commands within the "Delay before setting the error" time.
169 +Error generation conditions:
171 171  
172 -Conditions for clearing the error:
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.
173 173  
174 -* all battery modules respond to commands within the "Delay before clearing the error" time.
173 +Conditions for removing the error:
175 175  
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 +
176 176  (% class="box warningmessage" %)
177 177  (((
178 -If there is the "Module offline" error, **the critical error flag is generated and all battery contactors open.**
179 +If there is the "Module offline" error, **“Critical error” is generated.**
179 179  )))
180 180  
181 -=== Voltage unbalance ===
182 +=== Voltage unbalance (in any state) ===
182 182  
183 183  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.
184 184  
185 -Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance":
186 +Protection against voltage unbalance of battery modules is configured in the section "Protections - Voltage unbalance (in any state)":
186 186  
187 -[[image:1734356793449-249.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="75" width="600"]]
188 +[[image:1740754732291-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
188 188  
189 189  In this section:
190 190  
191 191  * Enable – a flag to enable the protection;
192 192  * 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;
193 193  * Delay before setting the error;
194 194  * Delay before clearing the error;
197 +* Set the 'Voltage unbalance' error for the modules that are not ready to charge/discharge;
195 195  * Lock – a flag to block the error until the device is restarted.
196 196  
197 -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:
200 +As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated.
198 198  
199 -* 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.
202 +Conditions for generating the error:
200 200  
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;
206 +
201 201  Conditions for clearing the error:
202 202  
203 -* 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.
204 204  
205 -If there is the error "Voltage unbalance (CH)" ("Voltage unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
212 +=== Current unbalance (in “Balancing” state) ===
206 206  
207 -=== Current unbalance ===
208 -
209 209  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.
210 210  
211 211  Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance":
212 212  
213 -[[image:1734356793451-440.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="77" width="600"]]
218 +[[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"]]
214 214  
215 215  In this section:
216 216  
... ... @@ -218,19 +218,23 @@
218 218  * Maximum current – a maximum allowable self-balancing current of battery modules, A;
219 219  * Delay before setting the error;
220 220  * 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;
221 221  * Lock – a flag to block the error until the device is restarted.
222 222  
223 223  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:
224 224  
225 -* 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.
226 226  
227 227  Conditions for clearing the error:
228 228  
229 -* 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.
230 230  
231 -If there is the error "Current unbalance (CH)" ("Current unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
237 +(% class="box infomessage" %)
238 +(((
239 +If there is the “Current unbalance (CH)” or "Current unbalance (DCH)" error, **corresponding battery module opens its charging or discharging contactor**.
240 +)))
232 232  
233 -=== Charging current unbalance ===
242 +=== Charging current unbalance (in “Charging” state) ===
234 234  
235 235  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.
236 236  
... ... @@ -254,7 +254,10 @@
254 254  
255 255  * battery module is included in the largest group of modules with similar charge currents during the “Delay before clearing the error” time.
256 256  
257 -If there is the “Charging current unbalance” error, the battery module charging contactor opens.
266 +(% class="box infomessage" %)
267 +(((
268 +If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**.
269 +)))
258 258  
259 259  === Discharging current unbalance ===
260 260  
... ... @@ -280,8 +280,19 @@
280 280  
281 281  * battery module is included in the largest group of modules with similar discharge currents during the “Delay before clearing the error” time.
282 282  
283 -If there is the “Discharging current unbalance” error, the battery module discharging contactor opens.
295 +(% class="box infomessage" %)
296 +(((
297 +If there is the “Discharging current unbalance” error, **corresponding battery module opens its discharging contactor**.
298 +)))
284 284  
300 +=== High contactor temperature ===
301 +
302 +=== WDT reset ===
303 +
304 +If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
305 +
306 +To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
307 +
285 285  === Critical error ===
286 286  
287 287  Parameters for generating the critical error are configured in the "Protections - Critical error" section:
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