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Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 1.2
edited by Admin
on 2024/12/09 16:56
Change comment: Update document after refactoring.
To version 1.7
edited by Admin
on 2025/02/24 14:10
Change comment: There is no comment for this version

Summary

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Parent
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1 -drafts.BMS Mini S BMS Mini 2.3\. Configuration.WebHome
1 +Battery management systems.BMS Mini S.3\. Configuration.WebHome
Content
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6 6  
7 7  The BMS Mini device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8 8  
9 +(% class="box errormessage" %)
10 +(((
11 +**Attention!**
12 +Behavior of contactors at different errors is configured in **corresponding contactor settings**!
13 +)))
14 +
9 9  === Overcurrent ===
10 10  
11 11  The BMS Mini device performs the overcurrent protection depending on current sensor values.
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37 37  * the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
38 38  * the current is negative (discharging), and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
39 39  
40 -(% class="box infomessage" %)
41 -(((
42 -If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 -)))
44 44  
45 45  === Undervoltage ===
46 46  
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69 69  
70 70  * the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
71 71  
72 -(% class="box infomessage" %)
73 -(((
74 -If there is the "Undervoltage" error, the **discharging **contactor opens.
75 -)))
76 76  
77 77  === Overvoltage ===
78 78  
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102 102  
103 103  * the maximum voltage among all cells of the battery is less than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
104 104  
105 -(% class="box infomessage" %)
106 -(((
107 -If there is the "Overvoltage" error, the **charging **contactor and **discharging **contactor open (if the “Switch off the discharging contactor on error” flag is set).
108 -)))
109 -
110 110  === Low temperature ===
111 111  
112 112  The BMS Mini device implements battery protection from too low temperature.
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136 136  
137 137  * the minimum temperature among all cells of the battery is greater than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
138 138  
139 -(% class="box infomessage" %)
140 -(((
141 -If there is the "Low temperature (CH)" error, the **charging **contactor opens. If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
142 -)))
143 -
144 144  === High temperature ===
145 145  
146 146  The BMS Mini device implements battery protection from too high temperature.
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170 170  
171 171  * the maximum temperature among all cells of the battery is less than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
172 172  
173 -(% class="box infomessage" %)
174 -(((
175 -If there is the "High temperature (CH)" error, the **charging **contactor opens. If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
176 -)))
177 -
178 178  === Battery cover ===
179 179  
180 180  To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
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200 200  
201 201  (% class="box warningmessage" %)
202 202  (((
203 -If there is the "Battery cover error", the **“Critical error” **is generated **and all contactors open.**
186 +If there is the "Battery cover error", the **“Critical error” **is generated.
204 204  )))
205 205  
206 206  === Cell monitor offline ===
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228 228  
229 229  (% class="box warningmessage" %)
230 230  (((
231 -If there is the " Cell monitor offline error", the **“Critical error” **is generated and** all contactors open.**
214 +If there is the " Cell monitor offline error", the **“Critical error” **is generated.
232 232  )))
233 233  
234 234  === Cell count ===
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257 257  
258 258  (% class="box warningmessage" %)
259 259  (((
260 -If there is the "Cell count error", the **“Critical error” **is generated and **all contactors open.**
243 +If there is the "Cell count error", the **“Critical error” **is generated.
261 261  )))
262 262  
263 263  === Short circuit ===
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289 289  
290 290  * the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
291 291  
292 -(% class="box infomessage" %)
293 -(((
294 -If there is the "Short circuit" error, the **charging **contactor opens (the “Switch off the charging contactor on error” flag is set) and the **discharging **contactor opens (the “Switch off the discharging contactor on error flag” is set).
295 -)))
296 -
297 297  === High contactor temperature ===
298 298  
299 299  The BMS Mini device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X6 connector is used.
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357 357  
358 358  (% class="box warningmessage" %)
359 359  (((
360 -If there is the “Current sensor error”, the **“Critical error” **is generated and** all contactors open.**
338 +If there is the “Current sensor error”, the **“Critical error” **is generated.
361 361  )))
362 362  
363 363  === Charge contactor cycles ===