Changes for page 3.3 Control

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12	12
13	13	In this section:
14	14
15		-* **Cell capacity** – nominal capacity of cells, Ah;
16		-* **Cell resistance** – nominal (maximum) internal resistance of the cell, Ohm;
17		-* **Relax time (after charging)** – a relaxation time after charging, second;
18		-* **Relax time (after discharging)** – the relaxation time after discharging, second;
19		-* **Reset parameters **– a command to reset cells state of charge, capacity, and resistance.
	15	+* Cell capacity – nominal capacity of cells, Ah;
	16	+* Cell resistance – nominal (maximum) internal resistance of the cell, Ohm;
	17	+* Relax time (after charging) – a relaxation time after charging, second;
	18	+* Relax time (atfer discharging) – the relaxation time after discharging, second;
	19	+* Reset parameters– a command to reset cells state of charge, capacity, and resistance.
20	20
21		-The values “**Capacity**” and “**Resistance**” are used to calculate the SOC of cells and the battery.
	21	+The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
22	22
23		-The values of “**Relax time**” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
	23	+The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
24	24
25		-The “**Reset parameters**”  is used for starting-up and adjustment of the battery and will reset:
	25	+The “Reset parameters” will reset:
26	26
27	27	* state of charge (new cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section);
28	28	* cell resistance to “Cell resistance” value;
29	29	* battery capacity to “Cell capacity” value.
30	30
	31	+The “Reset parameters” command is used for starting-up and adjustment of the battery.
	32	+
31	31	=== SOC estimation ===
32	32
33		-The BMS Mini device calculates the state of charge (SOC) of each cell by using following algorithms:
	35	+The BMS Mini device calculates the state of charge of the battery (SOC) using two algorithms:
34	34
35		-The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
	37	+* by open circuit voltage;
	38	+* by voltage and current.
36	36
37		-The **“Current and voltage (simplified)”** SOC calculation algorithm works as follows:
	40	+It is recommended to use the algorithm of calculation of SOC by voltage and current.
38	38
39		-* if I = 0, the battery is in the state of relaxation and the cell voltage Uocv is outside the [U,,ocv[point 1],,; U,,ocv[point 2],,], the SOC calculation is based on the tabular dependency Uocv = Uocv(SOC, t °C);
40		-* in any other cases, the SOC value is proportional to the charge (coulomb) passed through the battery (current time integral).
	42	+To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
41	41
42		-The **“Current and voltage (enhanced)” **SOC calculation algorithm differs from the simplified algorithm by online correction of the effective capacity. When using this algorithm, it is necessary to fine tune the tabular dependence Uocv = Uocv (SOC, t °C).
43		-
44		-To change the algorithm for calculating the SOC, select the "Control → SOC estimation" section:
45		-
46	46	[[image:1733746733477-590.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="166" width="800"]]
47	47
48	48	The following estimation algorithms supported:
...	...	@@ -64,27 +64,25 @@
64	64
65	65	[[image:1733746733478-414.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="800"]]
66	66
67		-In this section:
	65	+The following battery Final SOC calculation methods are supported:
68	68
69		-* **Algorithm:**
70		-** **Voltage **– by open circuit voltage;
71		-** **Current and voltage (simplified)** – recommended for LFP cells;
72		-** **Current and voltage (enhanced)** – recommended for NMC cells:
73		-* **Final SOC** – method of calculating overall SOC of battery:
74		-** **Minimal SOC** – the battery SOC is assumed to be the minimum SOC among the cells;
75		-** **Average SOC** – the battery SOC is taken equal to the arithmetic average of the cell SOC;
76		-** **Min-Max SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells (recommended). Final SOC will be a) 100% if __any cell__ has 100% SOC, b) 0% if __any cell__ has 0% SOC;
77		-** **Max-Min SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if __all cells__ have 100% SOC, b) 0% if __all// //cells__ have 0% SOC.
78		-* **Scale the final SOC** – a flag to scale the battery SOC by the following values;
79		-* **SOC corresponding to 0%** – the battery SOC that sets to be 0%;
80		-* **SOC corresponding to 100%** – the battery SOC that sets to be 100%.
81		-* **Uocv (open-circuit voltage) table** – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
82		-* **Linear zone** - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
83		-** **Linear zone: point 1** – starting point of the Uocv linear zone;
84		-** **Linear zone: point 2** – ending point of the Uocv linear zone;
85		-* **Coulomb counting correction (temperature)** – the dependence of battery capacity on temperature;
86		-* **Coulomb counting correction (cycles)** – the dependence of battery capacity on the number of charge-discharge cycles.
	67	+* Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
	68	+* Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules;
	69	+* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
	70	+* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
87	87
	72	+Other parameters:
	73	+
	74	+* Scale the final SOC – a flag to scale the battery SOC by the following values;
	75	+* SOC corresponding to 0% – the battery SOC that sets to be 0%;
	76	+* SOC corresponding to 100% – the battery SOC that sets to be 100%.
	77	+* Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
	78	+* Linear zone - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
	79	+** Linear zone: point 1 – starting point of the Uocv linear zone;
	80	+** Linear zone: point 2 – ending point of the Uocv linear zone;
	81	+* Coulomb counting correction (temperature) – the dependence of battery capacity on temperature;
	82	+* Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles.
	83	+
88	88	=== SOC correction ===
89	89
90	90	The BMS Mini device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).