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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 12.7
edited by Admin
on 2024/12/24 18:09
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To version 27.1
edited by Admin
on 2024/12/25 10:22
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200 200  
201 201  To configure parameters for determining the charge current limit, select the "Control → Charge map" section:
202 202  
203 -[[image:1733322637793-171.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="177" width="800"]]
203 +[[image:1735064362593-844.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
204 204  
205 205  In this section:
206 206  
... ... @@ -228,7 +228,7 @@
228 228  
229 229  To configure parameters for determining the discharge current limit, select the "Control → Discharge map" section:
230 230  
231 -[[image:1733322637795-310.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
231 +[[image:1735064399985-526.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="152" width="800"]]
232 232  
233 233  In this section:
234 234  
... ... @@ -254,7 +254,7 @@
254 254  
255 255  To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section:
256 256  
257 -[[image:1733322637796-187.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="800"]]
257 +[[image:1735064434321-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
258 258  
259 259  In this section:
260 260  
... ... @@ -281,7 +281,7 @@
281 281  
282 282  To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section:
283 283  
284 -[[image:1733322735595-661.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="800"]]
284 +[[image:1735064454708-345.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
285 285  
286 286  In this section:
287 287  
... ... @@ -344,7 +344,7 @@
344 344  
345 345  To change the parameters of the main contactor, select the "Control → Main contactor" section:
346 346  
347 -[[image:1733322872744-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
347 +[[image:1735064488658-863.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
348 348  
349 349  In this section:
350 350  
... ... @@ -355,13 +355,21 @@
355 355  ** On demand – contactor is closed by an external request;
356 356  * Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
357 357  * Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
358 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset.
358 +* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
359 +* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
359 359  
360 360  === Charging status ===
361 361  
363 +To change the parameters of charging process status, select the "Control → Charging status" section:
364 +
365 +[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]In this section:
366 +
367 +* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
368 +* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
362 362  * 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;
363 363  * 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.
371 +* 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;
372 +* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
365 365  
366 366  (% class="box infomessage" %)
367 367  (((
... ... @@ -372,13 +372,51 @@
372 372  
373 373  === Discharging status ===
374 374  
383 +To change the parameters of charging process status, select the "Control → Discharging status" section:
384 +
385 +[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section:
386 +
387 +* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
388 +* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
375 375  * 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;
376 376  * 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;
391 +* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
377 377  
378 378  === Precharge ===
379 379  
380 -TBA
395 +The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
381 381  
397 +BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors.
398 +
399 +To change the parameters of precharge contactor, select the "Control → Precharge" section:
400 +
401 +[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
402 +
403 +* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
404 +* 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;
405 +* Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
406 +* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
407 +* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
408 +* Relaxation between attempts – a duration between precharge attempts, millisecond;
409 +* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
410 +* Precharge resistor resistance, Ohm;
411 +* Maximum allowable power dissipated in the resistor, W;
412 +* Delay before setting the "Precharge error" when checking power, millisecond;
413 +* Delay before clearing the "Precharge error", second;
414 +* Lock the "Precharge error" – a flag to block the error until the device is restarted.
415 +
416 +
417 +“Precharge error” generation conditions:
418 +
419 +* the precharge current does not decrease after "Number of precharging attempts";
420 +* voltages before and after contactors are not equal after "Number of precharging attempts";
421 +* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
422 +
423 +(% class="box infomessage" %)
424 +(((
425 +If there is the “Precharge error”, **charging **and **discharging **contactors open.
426 +)))
427 +
382 382  === Charge ===
383 383  
384 384  There are two contactors that serve charging the battery: a charging contactor and an allow charging contactor. With the help of the allow charging contactor, the BMS commands the charger to start or stop charging.
... ... @@ -407,9 +407,9 @@
407 407  
408 408  or one of the signals:
409 409  
410 -* Service reset
411 -* Power down request
412 -* Inhibit charging
456 +* Service reset;
457 +* Power down request;
458 +* Inhibit charging,
413 413  
414 414  both contactors are open (no current flows).
415 415  
... ... @@ -427,7 +427,10 @@
427 427  * 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);
428 428  * If errors in the list above occur the charging contactor and allow charging contactor open.
429 429  
430 -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).
476 +(% class="box infomessage" %)
477 +(((
478 +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).
479 +)))
431 431  
432 432  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
433 433  
... ... @@ -441,14 +441,12 @@
441 441  ** On charger connected – charging is allowed when there is a signal “Charger connected”;
442 442  ** On charge request – charging is allowed when there is a signal “Charge request”;
443 443  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
444 -* Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
445 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
446 446  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
447 447  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
448 -* Control the precharging contactor – a flag that allows control of the precharging contactor;
449 -* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor
495 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
496 +* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
450 450  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
451 -* Custom delay: <error> – specific error delay, millisecond;
498 +* Custom delay: <error> – delay for specific error, millisecond;
452 452  * 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”;
453 453  
454 454  === Discharge ===
... ... @@ -497,13 +497,16 @@
497 497  * 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;
498 498  * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
499 499  
500 -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).
547 +(% class="box infomessage" %)
548 +(((
549 +**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).
550 +)))
501 501  
502 502  The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
503 503  
504 504  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
505 505  
506 -[[image:1733323750262-841.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="360" width="800"]]
556 +[[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]]
507 507  
508 508  In this section:
509 509  
... ... @@ -512,16 +512,14 @@
512 512  ** Always on – load is always connected;
513 513  ** On charger disconnected – load is connected when there is no signal “Charger connected”;
514 514  ** On discharge request – load is connected when there is signal “Discharge request”;
515 -* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
516 -* Current indicating no discharging – a current level to clear the "Discharging current present" signal, А;
565 +* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
517 517  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
518 518  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
568 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
569 +* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
519 519  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
520 520  * Custom delay: <error> – specific error delay, millisecond;
521 521  * Switch off the discharging contactor on errors without delay – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
522 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
523 -* 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;
524 -* Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
525 525  
526 526  === Charge/Discharge ===
527 527  
... ... @@ -549,7 +549,7 @@
549 549  
550 550  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
551 551  
552 -[[image:1733322827920-878.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
600 +[[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
553 553  
554 554  In this section:
555 555  
... ... @@ -560,7 +560,10 @@
560 560  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
561 561  * Minimum voltage – minimum battery voltage, V;
562 562  * Maximum voltage – maximum battery voltage, V;
563 -* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error.
611 +* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error;
612 +* Minimum battery voltage, V;
613 +* Maximum battery voltage, V;
614 +* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
564 564  
565 565  === Cell balancing ===
566 566  
... ... @@ -588,7 +588,7 @@
588 588  
589 589  To change the cell balancing parameters, select the "Control → Cell balancing" section:
590 590  
591 -[[image:1733322883460-118.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
642 +[[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
592 592  
593 593  In this section:
594 594  
... ... @@ -598,11 +598,16 @@
598 598  ** 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);
599 599  ** Balance always – balancing is always performed regardless the battery state;
600 600  
601 -[[image:1733322883462-975.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="74" width="600"]]
652 +[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
602 602  
654 +* Balancing condition:
655 +** Automatic – balancing will be performed automatically if needed conditions are met;
656 +** 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;
603 603  * Minimum cell voltage to start balancing, V;
604 604  * Voltage deviation to start balancing;
605 605  * Voltage deviation to stop balancing;
660 +* Voltage for forced balancing – if cell voltage is above this value, it will discharge through balancing resistor;
661 +* Maximum allowable temperature of BMS Logic devices, ºC;
606 606  * Command to discharge all cells – a flag to force the balancing of all cells.
607 607  
608 608  === Series balancing ===
... ... @@ -725,7 +725,10 @@
725 725  
726 726  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.
727 727  
728 -**If there is the “High voltage fault”, the “Critical error” is generated and all contactors open.**
784 +(% class="box warningmessage" %)
785 +(((
786 +If there is the “High voltage fault”, **the “Critical error” is generated and all contactors open.**
787 +)))
729 729  
730 730  === Cell analysis ===
731 731  
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