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Changes for page 3.3 Control

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From version 13.1
edited by Admin
on 2024/12/24 18:13
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To version 26.1
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... ... @@ -200,7 +200,7 @@
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.
... ... @@ -444,8 +444,6 @@
444 444  ** On charger connected – charging is allowed when there is a signal “Charger connected”;
445 445  ** On charge request – charging is allowed when there is a signal “Charge request”;
446 446  * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
447 -* Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
448 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
449 449  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
450 450  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
451 451  * Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor;
... ... @@ -509,7 +509,7 @@
509 509  
510 510  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
511 511  
512 -[[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"]]
513 513  
514 514  In this section:
515 515  
... ... @@ -518,12 +518,11 @@
518 518  ** Always on – load is always connected;
519 519  ** On charger disconnected – load is connected when there is no signal “Charger connected”;
520 520  ** On discharge request – load is connected when there is signal “Discharge request”;
521 -* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
522 -* 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;
523 523  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
524 524  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
525 525  * Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor;
526 -* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the charging contactor;
569 +* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
527 527  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
528 528  * Custom delay: <error> – specific error delay, millisecond;
529 529  * 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”.
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554 554  
555 555  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
556 556  
557 -[[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"]]
558 558  
559 559  In this section:
560 560  
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565 565  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
566 566  * Minimum voltage – minimum battery voltage, V;
567 567  * Maximum voltage – maximum battery voltage, V;
568 -* 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;
569 569  
570 570  === Cell balancing ===
571 571  
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593 593  
594 594  To change the cell balancing parameters, select the "Control → Cell balancing" section:
595 595  
596 -[[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"]]
597 597  
598 598  In this section:
599 599  
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603 603  ** 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);
604 604  ** Balance always – balancing is always performed regardless the battery state;
605 605  
606 -[[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"]]
607 607  
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;
608 608  * Minimum cell voltage to start balancing, V;
609 609  * Voltage deviation to start balancing;
610 610  * 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;
611 611  * Command to discharge all cells – a flag to force the balancing of all cells.
612 612  
613 613  === Series balancing ===
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730 730  
731 731  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.
732 732  
733 -**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 +)))
734 734  
735 735  === Cell analysis ===
736 736  
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