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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56
From version 78.3
edited by Admin
on 2026/03/31 14:27
Change comment: There is no comment for this version
To version 80.1
edited by Admin
on 2026/03/31 14:29
Change comment: There is no comment for this version

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... ... @@ -787,6 +787,10 @@
787 787  
788 788  === High voltage ===
789 789  
790 +(% class="box warningmessage" %)
791 +(((
792 +This section is not available on BMS Main 2R.
793 +)))
790 790  
791 791  The BMS Main 3 device has an ability to measure high voltages before and after contactors.
792 792  
... ... @@ -796,9 +796,9 @@
796 796  
797 797  In this section:
798 798  
799 -* Enable – a flag to enable High voltage control;
800 -* Delay before clearing the High voltage fault, second;
801 -* Lock the High voltage fault.
803 +* **Enable **– a flag to enable High voltage control;
804 +* **Delay before clearing the High voltage fault**, second;
805 +* **Lock the High voltage fault**.
802 802  
803 803  The BMS Main 3 implements a self-diagnostics of high-voltage measurement lines. If measurement line breaks or high-voltage polarity is wrong, “High voltage fault” is generated.
804 804  
... ... @@ -811,7 +811,7 @@
811 811  
812 812  The battery discharge characteristic – the dependence Uocv = Uocv(DOD) – is used to determine the tabular dependence Uocv = Uocv(SOC, t°C), which is necessary for calculating the battery charge level.
813 813  
814 -The BMS Main 3 device can automatically determine the battery discharge characteristic.
818 +The BMS Main 3 / BMS Main 2R device can automatically determine the battery discharge characteristic.
815 815  
816 816  Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
817 817  
... ... @@ -824,18 +824,14 @@
824 824  
825 825  In this section:
826 826  
827 -* Enable – a flag to enable cell analysis;
828 -* Discharge step, Ah;
829 -* Delta voltage – a maximum allowable voltage drop for the cell, V;
830 -* Logic index, Cell index – a position of the analyzed cell;
831 -* Analyse the most discharged cell – a flag to analyse of the least charged cell (in this case, the values “Logic index” and “Cell index” are ignored).
831 +* **Enable **– a flag to enable cell analysis;
832 +* **Discharge step**, Ah;
833 +* **Delta voltage** – a maximum allowable voltage drop for the cell, V;
834 +* **Logic index, Cell index** – a position of the analyzed cell;
835 +* **Analyse the most discharged cell** – a flag to analyse of the least charged cell (in this case, the values “Logic index” and “Cell index” are ignored).
832 832  
833 -Discharge step should be set equal to
837 +Discharge step should be set equal to С/21, where C is the cell capacity.
834 834  
835 -Discharge step= С/21,
836 -
837 -where C is the cell capacity.
838 -
839 839  The discharge characteristic will be constructed for the given cell (its position is determined by the fields “Logic index” and “Cell index”).
840 840  
841 841  The algorithm for determining the discharge characteristic of the battery will be started if the “Enable” flag is set. From this moment, the control of the discharge contactor is performed by this algorithm.