Skip to Content

Changes for page 3.4 Protections

Last modified by Admin on 2025/04/09 12:23
From version 1.7
edited by Admin
on 2025/02/24 14:10
Change comment: There is no comment for this version
To version 1.4
edited by Admin
on 2024/12/11 13:11
Change comment: Update document after refactoring.

Summary

Details

Page properties
Content
... ... @@ -6,12 +6,6 @@
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 -
15 15  === Overcurrent ===
16 16  
17 17  The BMS Mini device performs the overcurrent protection depending on current sensor values.
... ... @@ -43,6 +43,10 @@
43 43  * 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;
44 44  * 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.
45 45  
40 +(% class="box infomessage" %)
41 +(((
42 +If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43 +)))
46 46  
47 47  === Undervoltage ===
48 48  
... ... @@ -71,6 +71,10 @@
71 71  
72 72  * 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.
73 73  
72 +(% class="box infomessage" %)
73 +(((
74 +If there is the "Undervoltage" error, the **discharging **contactor opens.
75 +)))
74 74  
75 75  === Overvoltage ===
76 76  
... ... @@ -100,6 +100,11 @@
100 100  
101 101  * 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.
102 102  
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 +
103 103  === Low temperature ===
104 104  
105 105  The BMS Mini device implements battery protection from too low temperature.
... ... @@ -129,6 +129,11 @@
129 129  
130 130  * 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.
131 131  
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 +
132 132  === High temperature ===
133 133  
134 134  The BMS Mini device implements battery protection from too high temperature.
... ... @@ -158,6 +158,11 @@
158 158  
159 159  * 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.
160 160  
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 +
161 161  === Battery cover ===
162 162  
163 163  To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
... ... @@ -183,7 +183,7 @@
183 183  
184 184  (% class="box warningmessage" %)
185 185  (((
186 -If there is the "Battery cover error", the **“Critical error” **is generated.
203 +If there is the "Battery cover error", the **“Critical error” **is generated **and all contactors open.**
187 187  )))
188 188  
189 189  === Cell monitor offline ===
... ... @@ -211,7 +211,7 @@
211 211  
212 212  (% class="box warningmessage" %)
213 213  (((
214 -If there is the " Cell monitor offline error", the **“Critical error” **is generated.
231 +If there is the " Cell monitor offline error", the **“Critical error” **is generated and** all contactors open.**
215 215  )))
216 216  
217 217  === Cell count ===
... ... @@ -240,7 +240,7 @@
240 240  
241 241  (% class="box warningmessage" %)
242 242  (((
243 -If there is the "Cell count error", the **“Critical error” **is generated.
260 +If there is the "Cell count error", the **“Critical error” **is generated and **all contactors open.**
244 244  )))
245 245  
246 246  === Short circuit ===
... ... @@ -272,6 +272,11 @@
272 272  
273 273  * the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
274 274  
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 +
275 275  === High contactor temperature ===
276 276  
277 277  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.
... ... @@ -335,7 +335,7 @@
335 335  
336 336  (% class="box warningmessage" %)
337 337  (((
338 -If there is the “Current sensor error”, the **“Critical error” **is generated.
360 +If there is the “Current sensor error”, the **“Critical error” **is generated and** all contactors open.**
339 339  )))
340 340  
341 341  === Charge contactor cycles ===