Changes for page 3.3 Control

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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
...	...	@@ -645,9 +645,9 @@
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
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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
...	...	@@ -787,10 +787,6 @@
787	787
788	788	=== High voltage ===
789	789
790		-(% class="box warningmessage" %)
791		-(((
792		-This section is not available on BMS Main 2R.
793		-)))
794	794
795	795	The BMS Main 3 device has an ability to measure high voltages before and after contactors.
796	796
...	...	@@ -800,9 +800,9 @@
800	800
801	801	In this section:
802	802
803		-* **Enable **– a flag to enable High voltage control;
804		-* **Delay before clearing the High voltage fault**, second;
805		-* **Lock the High voltage fault**.
	799	+* Enable – a flag to enable High voltage control;
	800	+* Delay before clearing the High voltage fault, second;
	801	+* Lock the High voltage fault.
806	806
807	807	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.
808	808
...	...	@@ -815,7 +815,7 @@
815	815
816	816	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.
817	817
818		-The BMS Main 3 / BMS Main 2R device can automatically determine the battery discharge characteristic.
	814	+The BMS Main 3 device can automatically determine the battery discharge characteristic.
819	819
820	820	Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
821	821
...	...	@@ -828,14 +828,18 @@
828	828
829	829	In this section:
830	830
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).
	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).
836	836
837		-Discharge step should be set equal to С/21, where C is the cell capacity.
	833	+Discharge step should be set equal to
838	838
	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.