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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 11.1
edited by Admin
on 2024/12/24 16:28
Change comment: There is no comment for this version
To version 12.9
edited by Admin
on 2024/12/24 18:12
Change comment: There is no comment for this version

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... ... @@ -302,8 +302,6 @@
302 302  
303 303  I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,
304 304  
305 -
306 -
307 307  === Main contactor ===
308 308  
309 309  The BMS Main 3 device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
... ... @@ -361,11 +361,21 @@
361 361  
362 362  === Charging status ===
363 363  
364 -TBA
362 +* Voltage to clear the “Ready to charge” – a threshold voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
363 +* Voltage to reset the “Ready to charge” – a tolerant voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
364 +* Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0.
365 365  
366 +(% class="box infomessage" %)
367 +(((
368 +**Note:** The "Allow charging" signal activates under two independent conditions:
369 +1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and
370 +2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
371 +)))
372 +
366 366  === Discharging status ===
367 367  
368 -TBA
375 +* Voltage to clear the “Ready to discharge” – a threshold voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
376 +* Voltage to reset the “Ready to discharge” – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
369 369  
370 370  === Precharge ===
371 371  
... ... @@ -399,9 +399,9 @@
399 399  
400 400  or one of the signals:
401 401  
402 -* Service reset
403 -* Power down request
404 -* Inhibit charging
410 +* Service reset;
411 +* Power down request;
412 +* Inhibit charging,
405 405  
406 406  both contactors are open (no current flows).
407 407  
... ... @@ -419,11 +419,14 @@
419 419  * If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
420 420  * If errors in the list above occur the charging contactor and allow charging contactor open.
421 421  
422 -Note – When errors occur in the system, the charging contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
430 +(% class="box infomessage" %)
431 +(((
432 +Note: when errors occur in the system, the **charging **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
433 +)))
423 423  
424 424  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
425 425  
426 -[[image:1733322798914-813.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="327" width="800"]]
437 +[[image:1735063563460-549.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
427 427  
428 428  In this section:
429 429  
... ... @@ -432,20 +432,17 @@
432 432  ** Always on – charging is always allowed;
433 433  ** On charger connected – charging is allowed when there is a signal “Charger connected”;
434 434  ** On charge request – charging is allowed when there is a signal “Charge request”;
446 +* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
435 435  * Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
436 436  * Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
437 437  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
438 438  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
451 +* Control the precharging contactor – a flag that allows control of the precharging contactor;
452 +* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
439 439  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
440 -* Custom delay: <error> – specific error delay, millisecond;
454 +* Custom delay: <error> – delay for specific error, millisecond;
441 441  * Switch off the charging contactor on errors without delay – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
442 -* Control the precharging contactor – a flag that allows control of the precharging contactor;
443 -* Voltage to clear the “Ready to charge” – a threshold voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
444 -* Voltage to reset the “Ready to charge” – a tolerant voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
445 -* Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0.
446 446  
447 -Note – The allow charging contactor closes under two independent conditions: 1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and 2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
448 -
449 449  === Discharge ===
450 450  
451 451  The device controls the discharging contactor to connect battery to the load.
... ... @@ -492,7 +492,10 @@
492 492  * if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
493 493  * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
494 494  
495 -Note – In case of errors in the system operation, the opening of the discharging contactor is performed either immediately or with a delay T,,off,, (depends on the settings described below).
503 +(% class="box infomessage" %)
504 +(((
505 +**Note:** in case of errors in the system operation, **discharging **contactor opens either immediately or with a delay T,,off,, (depends on the settings described below).
506 +)))
496 496  
497 497  The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
498 498  
... ... @@ -517,8 +517,6 @@
517 517  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
518 518  * Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
519 519  * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
520 -* Voltage to clear the “Ready to discharge” – a threshold voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
521 -* Voltage to reset the “Ready to discharge” – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
522 522  
523 523  === Charge/Discharge ===
524 524  
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