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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 39.1
edited by Admin
on 2025/02/14 11:41
Change comment: There is no comment for this version
To version 42.7
edited by Admin
on 2025/02/24 13:50
Change comment: There is no comment for this version

Summary

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... ... @@ -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  
... ... @@ -315,8 +315,7 @@
315 315  The Main contactor algorithm supports the following modes:
316 316  
317 317  * Always on;
318 -* Automatic;
319 -* On demand.
318 +* Automatic.
320 320  
321 321  In “Always on” mode main contactor closes if all the following is true:
322 322  
... ... @@ -472,7 +472,7 @@
472 472  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
473 473  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
474 474  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
475 -* 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]]);
476 476  * Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
477 477  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
478 478  * Custom delay: <error> – delay for specific error, millisecond;
... ... @@ -511,8 +511,6 @@
511 511  **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).
512 512  )))
513 513  
514 -The device supports controlling the precharging contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]).
515 -
516 516  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
517 517  
518 518  [[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
... ... @@ -527,7 +527,7 @@
527 527  * Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
528 528  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
529 529  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
530 -* 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"]]);
531 531  * Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
532 532  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
533 533  * Custom delay: <error> – specific error delay, millisecond;
... ... @@ -582,11 +582,6 @@
582 582  * the battery voltage is out of range;
583 583  * the errors are detected (configured in the "Errors 1, 2 ..." bitfields).
584 584  
585 -(% class="box infomessage" %)
586 -(((
587 -**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).
588 -)))
589 -
590 590  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
591 591  
592 592  [[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
... ... @@ -603,7 +603,7 @@
603 603  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
604 604  * Minimum battery voltage, V;
605 605  * Maximum battery voltage, V;
606 -* 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.
607 607  
608 608  === Cell balancing ===
609 609  
... ... @@ -618,17 +618,22 @@
618 618  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
619 619  
620 620  * the voltage on the cell is higher than the balancing start voltage;
621 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold.
613 +* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold;
622 622  
623 623  A balancing resistor is disconnected from the cell if any of the following conditions are met:
624 624  
625 -* the voltage on the cell is less than the balancing start voltage;
617 +* the voltage on the cell is less than the balancing stop voltage;
626 626  * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold.
627 627  
620 +(% class="box infomessage" %)
621 +(((
628 628  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
623 +)))
629 629  
630 630  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.
631 631  
627 +BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value.
628 +
632 632  To change the cell balancing parameters, select the "Control → Cell balancing" section:
633 633  
634 634  [[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
... ... @@ -640,9 +640,6 @@
640 640  ** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
641 641  ** 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);
642 642  ** Balance always – balancing is always performed regardless the battery state;
643 -
644 -[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
645 -
646 646  * Balancing condition:
647 647  ** Automatic – balancing will be performed automatically if needed conditions are met;
648 648  ** 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;