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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 27.1
edited by Admin
on 2025/02/19 16:26
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To version 22.3
edited by Admin
on 2025/02/19 14:57
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 -
60 60  In “Always on” mode main contactor closes if all the following is true:
61 61  
62 62  * Other contactors are open;
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69 69  
70 70  In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
71 71  
67 +*
68 +
72 72  To change the parameters of the main contactor, select the "Control → Main contactor" section:
73 73  
74 74  [[image:1734024131196-608.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="94" width="600"]]
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110 110  
111 111  To change the precharge parameters, select the section “Control → Precharge”:
112 112  
113 -[[image:1739970002016-142.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="600"]]
114 -
115 115  In this section:
116 116  
112 +[[image:1739970002016-142.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="600"]]
113 +
117 117  * 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;
118 118  * 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;
119 119  * 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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272 272  * 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;
273 273  * Independent - Charge/Discharge contactor is based on its own controller.
274 274  
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 -
281 281  The charging/discharging controller supports the following modes:
282 282  
283 283  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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310 310  In this section:
311 311  
312 312  * 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.
316 316  * Algorithm:
317 317  ** Always on – discharging is always allowed;
318 318  ** Balanced – discharging is allowed provided that all battery modules are balanced;
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