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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 4.1
edited by Admin
on 2024/12/13 11:41
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To version 6.5
edited by Admin
on 2025/01/28 16:09
Change comment: There is no comment for this version

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Parent
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1 -drafts.BMS Main 3X.3\. Configuration.WebHome
1 +Battery management systems.BMS Main 3X.3\. Configuration.WebHome
Content
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26 26  
27 27  Each module in a battery must have a unique address. You can change the address in the battery module settings in the “Connectivity → CAN” section of the BMS Main 3 settings.
28 28  
29 +You can set up maximum number of found modules to finish initialization in corresponding section.
29 29  
30 30  === Calculation of battery parameters ===
31 31  
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39 39  
40 40  * Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
41 41  * Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules;
42 -* Min-Max SOC – SOC of the modular battery is calculated based on the minimal and maximum SOC of the battery modules (recommended).
43 +* Min-Max SOC – SOC of the modular battery is calculated based on the minimal and maximum SOC of the battery modules (optimized for maximum health);
44 +* Max-Min SOC – SOC of the modular battery is calculated based on the minimal and maximum SOC of the battery modules (optimized for maximum capacity, recommended);
43 43  
44 44  Calculation of the battery state of health (SOH) is configured in the "Control → Calculation → Final SOH" section. The following battery SOH calculation methods are supported:
45 45  
46 46  * Minimal SOH – SOH of the modular battery is assumed to be the minimum SOH among the battery modules;
49 +* Average SOH – SOH of the modular battery is taken equal to the arithmetic average of the SOH of the battery modules.
47 47  
48 -Average SOH – SOH of the modular battery is taken equal to the arithmetic average of the SOH of the battery modules.
49 -
50 50  === Main contactor ===
51 51  
52 52  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.
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54 54  The Main contactor algorithm supports the following modes:
55 55  
56 56  * Always on;
57 -* Automatic, when the main contactor closes by the internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
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.
58 58  
59 59  In “Always on” mode, the main contactor closes if all the following is true:
60 60  
61 61  * “Charging” contactor is open;
62 62  * “Discharging” contactor is open;
63 -
64 64  * there are no errors.
65 65  
66 66  In “Always on” mode, the main contactor opens if “Charging” and “Discharging” contactors are open and any of the following is true:
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140 140  1. Checking intermodular balancing currents (the duration of the check is set in the settings). If there is no current unbalance (“Current unbalance (CH)”) or errors are ignored (“Always on”), go to step 6, otherwise open all charging contactors, and go to step 1.
141 141  1. The battery modules are joined. If the “Join to charge” request is cleared or the "Charging current unbalance" error occurs, go to step 1.
142 142  
143 -The operation of** closing main charging contactor** is described in the following steps:
143 +The operation of** closing main charging contactor** is described in the following steps:
144 144  
145 145  1. The main charging contactor “Charging” is open. When the “Charge request” is received, the voltage and current unbalance errors (“Voltage unbalance (CH)”, “Current unbalance (CH)”, “Charging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
146 146  1. Closing the main precharging contactor “Precharging” (optional). Go to step 3.
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393 393  
394 394  To configure the parameters for counting the number of contactor openings, select the section “Control → Load open counter”:
395 395  
396 -[[image:1734089726360-887.png]]
396 +[[image:1734089726360-887.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="83" width="600"]]
397 397  
398 398  In this section:
399 399