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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 22.3
edited by Admin
on 2025/02/19 14:57
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To version 27.1
edited by Admin
on 2025/02/19 16:26
Change comment: There is no comment for this version

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52 52  
53 53  The BMS Main 3X device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
54 54  
55 +The Main contactor algorithm supports the following modes:
56 +
57 +* Always on;
58 +* Automatic, when the main contactor closes by the internal charging and discharging algorithms at the same time with Precharging, Charging, Discharging and Charging/Discharging contactors.
59 +
55 55  In “Always on” mode main contactor closes if all the following is true:
56 56  
57 57  * Other contactors are open;
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64 64  
65 65  In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
66 66  
67 -*
68 -
69 69  To change the parameters of the main contactor, select the "Control → Main contactor" section:
70 70  
71 71  [[image:1734024131196-608.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="94" width="600"]]
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107 107  
108 108  To change the precharge parameters, select the section “Control → Precharge”:
109 109  
110 -In this section:
111 -
112 112  [[image:1739970002016-142.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="600"]]
113 113  
115 +In this section:
116 +
114 114  * Precharge current threshold to close the discharging contactor – a current value to ensure that precharge process has finished and it is allowed to close the discharging contactor, A;
115 115  * Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
116 116  * Minimum voltage difference before and after contactors to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V;
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269 269  * Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if "Charging" signal is set, otherwise – as Discharging contactor;
270 270  * Independent - Charge/Discharge contactor is based on its own controller.
271 271  
275 +(% class="box warningmessage" %)
276 +(((
277 +**Warning!**
278 +Charge/Discharge algorithms on BMS Main 3X and on battery modules controllers must **be the same**!
279 +)))
280 +
272 272  The charging/discharging controller supports the following modes:
273 273  
274 274  1. Charging/Discharging is always allowed (Always on) – the device ignores voltage and current unbalance of the battery modules and commands to close the discharging contactors of the battery modules and the main discharging contactor.
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301 301  In this section:
302 302  
303 303  * Enable – a flag to enable battery charge/discharge controller;
313 +* Mode:
314 +** Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals;
315 +** Independent - Charge/Discharge contactor is based on its own controller.
304 304  * Algorithm:
305 305  ** Always on – discharging is always allowed;
306 306  ** Balanced – discharging is allowed provided that all battery modules are balanced;
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