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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 84.1
edited by Admin
on 2026/04/02 09:46
Change comment: There is no comment for this version
To version 79.1
edited by Admin
on 2026/03/31 14:28
Change comment: There is no comment for this version

Summary

Details

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... ... @@ -15,7 +15,7 @@
15 15  * **Cell capacity** – nominal capacity of cells, Ah;
16 16  * **Cell resistance** – nominal (maximum) internal resistance of the cells, Ohm;
17 17  * **Connection of cells:**
18 -** **Serial **– all cells are connected in series in a single string;
18 +** **Serial **– all cells are connected in series in a single string.
19 19  ** **Parallel-Serial **– cells are grouped in parallel and serial items;
20 20  * **Parallel-Serial: Number of Logic devices in a chain**;
21 21  * **Parallel-Serial: Number of parallel chains in a block**;
... ... @@ -29,7 +29,7 @@
29 29  ** **Summation of cell voltages** – the overall voltage is calculated as on sum of all cells in the battery;
30 30  ** **Using voltage before contactors** – the overall voltage is estimated as voltage before contactors measured by BMS.
31 31  
32 -The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be calculated as overall string current divided by number of chains in a block.
32 +The **"Parallel-Serial"** connection works as follows: a bunch of serial connected Logics are grouped into chains. A bunch of parallel connected chains are grouped to blocks. A bunch of serial connected blocks are grouped into string. By configuring the corresponding settings it is possible to create a complex string configuration. Current through each chain will be estimated as a fraction of overall current accordingly to the number of chains in a block.
33 33  
34 34  The values **“Capacity”** and **“Resistance”** are used to calculate the SOC of cells and the battery.
35 35  
... ... @@ -39,7 +39,7 @@
39 39  
40 40  === SOC estimation ===
41 41  
42 -The BMS Main 3 / BMS Main 2R device calculates the state of charge (SOC) of each cell by using following algorithms:
42 +The BMS Main 3 / BMS Main 2R device calculates the state of charge (SOC) of each cell, and then the overall battery SOC, by using following algorithms:
43 43  
44 44  The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
45 45  
... ... @@ -626,9 +626,9 @@
626 626  
627 627  The following **balancing rules** are supported:
628 628  
629 -* **Balance on charge** – perform balancing when the battery is charging (current I > 0) and time after until the battery is relaxed;
630 -* **Balance on charge or relaxed** – perform balancing when the battery is charging (current I > 0) or when the battery is in a state of relaxation ​​​​​;
631 -* **Balance always** regardless of battery state.
629 +* when the battery is charging (current I > 0) and time after until the battery is relaxed;
630 +* when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
631 +* always (regardless of battery state).
632 632  
633 633  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
634 634  
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645 645  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
646 646  )))
647 647  
648 -The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external **“Balancing request”** signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
648 +The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
649 649  
650 -BMS Main 3 / BMS Main 2R can **force balancing **of the cell, if its voltage is higher than estimated value.
650 +BMS Main 3 / BMS Main 2R can force a cell balancing, if its voltage is higher than estimated value.
651 651  
652 652  To change the cell balancing parameters, select the "Control → Cell balancing" section:
653 653  
... ... @@ -707,7 +707,7 @@
707 707  * the battery voltage is below the minimum level;
708 708  * the “Charger connected” signal is cleared for 60 seconds.
709 709  
710 -The BMS Main 3 device also shuts down the battery if it **stays for a long time **in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” state.
710 +The BMS Main 3 device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the configured time.
711 711  
712 712  To change the parameters of the power down control, select the "Control → Power down" section:
713 713  
... ... @@ -787,7 +787,7 @@
787 787  
788 788  === High voltage ===
789 789  
790 -(% class="box warningmessage" %)
790 +(% class="box infomessage" %)
791 791  (((
792 792  This section is not available on BMS Main 2R.
793 793  )))