Changes for page 3.3 Control

Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -21,7 +21,7 @@
21	21	** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery;
22	22	** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS.
23	23
24		-The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery.
	24	+The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
25	25
26	26	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.
27	27
...	...	@@ -71,7 +71,7 @@
71	71	* Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells;
72	72	* Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC;
73	73	* 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;
74		-* 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;
	74	+* 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.
75	75
76	76	Other parameters:
77	77
...	...	@@ -217,7 +217,7 @@
217	217	* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
218	218	* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
219	219	* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
220		-* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on maximum cell voltage;
	220	+* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
221	221	* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
222	222	* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
223	223	* Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
...	...	@@ -245,7 +245,7 @@
245	245	* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
246	246	* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
247	247	* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
248		-* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on minimum cell voltage;
	248	+* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
249	249	* Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
250	250	* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
251	251	* Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
...	...	@@ -471,7 +471,7 @@
471	471	* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
472	472	* Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
473	473	* Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
474		-* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
	474	+* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);
475	475	* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
476	476	* Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
477	477	* Custom delay: <error> – delay for specific error, millisecond;
...	...	@@ -510,8 +510,6 @@
510	510	**Note: **when errors occur in the system, the **Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
511	511	)))
512	512
513		-The device supports controlling the precharging contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]).
514		-
515	515	To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
516	516
517	517	[[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
...	...	@@ -526,7 +526,7 @@
526	526	* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
527	527	* Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
528	528	* Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
529		-* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
	527	+* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);
530	530	* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
531	531	* Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
532	532	* Custom delay: <error> – specific error delay, millisecond;
...	...	@@ -581,11 +581,6 @@
581	581	* the battery voltage is out of range;
582	582	* the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
583	583
584		-(% class="box infomessage" %)
585		-(((
586		-**Note: **when errors occur in the system, the **Discharge (AUX) **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
587		-)))
588		-
589	589	To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
590	590
591	591	[[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
...	...	@@ -602,7 +602,7 @@
602	602	* Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
603	603	* Minimum battery voltage, V;
604	604	* Maximum battery voltage, V;
605		-* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
	598	+* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
606	606
607	607	=== Cell balancing ===
608	608
...	...	@@ -624,7 +624,10 @@
624	624	* the voltage on the cell is less than the balancing stop voltage;
625	625	* the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
626	626
	620	+(% class="box infomessage" %)
	621	+(((
627	627	If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
	623	+)))
628	628
629	629	The BMS Main 3 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.
630	630
...	...	@@ -641,9 +641,6 @@
641	641	** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
642	642	** Balance on charge or relaxed - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
643	643	** Balance always – balancing is always performed regardless the battery state;
644		-
645		-[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
646		-
647	647	* Balancing condition:
648	648	** Automatic – balancing will be performed automatically if needed conditions are met;
649	649	** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;