Changes for page 3.3 Control

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From version 25.2
edited by Admin
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To version 23.1
edited by Admin
on 2025/02/24 12:12
Change comment: Загрузить новое вложение 1740399150173-761.png

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293 293  * Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
294 294  * Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
295 295  
296 -=== Charging status ===
297 -
298 -To change the parameters of charging process status, select the "Control → Charging status" section:
299 -
300 -[[image:1740399071280-626.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
301 -In this section:
302 -
303 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
304 -* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
305 -* 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;
306 -* 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;
307 -* 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;
308 -* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
309 -
310 -(% class="box infomessage" %)
311 -(((
312 -**Note:** The "Allow charging" signal activates under two independent conditions:
313 -1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and
314 -2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
315 -)))
316 -
317 -=== Discharging status ===
318 -
319 -To change the parameters of discharging process status, select the "Control → Discharging status" section:
320 -
321 -[[image:1740399096018-240.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
322 -In this section:
323 -
324 -* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
325 -* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
326 -* 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;
327 -* 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;
328 -* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
329 -
330 -=== Precharge ===
331 -
332 -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.
333 -
334 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
335 -
336 -[[image:1740399150173-761.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]
337 -
338 -To change the parameters of precharge contactor, select the "Control → Precharge" section:
339 -
340 -* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
341 -* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
342 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
343 -* Relaxation between attempts – a duration between precharge attempts, millisecond;
344 -* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
345 -* Precharge resistor resistance, Ohm;
346 -* Maximum allowable power dissipated in the resistor, W;
347 -* Delay before setting the "Precharge error" when checking power, millisecond;
348 -* Delay before clearing the "Precharge error", second;
349 -* Lock the "Precharge error" – a flag to block the error until the device is restarted.
350 -
351 -“Precharge error” generation conditions if any of the following is true:
352 -
353 -* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
354 -* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
355 -
356 -(% class="box warningmessage" %)
357 -(((
358 -Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
359 -)))
360 -
361 361  === Charge ===
362 362  
363 363  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.
... ... @@ -364,40 +364,51 @@
364 364  
365 365  The device supports three charge control algorithms:
366 366  
367 -* Always on – charging is always allowed;
368 -* On charger connected – charging is allowed when there is a signal “Charger connected”;
369 -* On charge request – charging is allowed when there is a signal “Charge request”.
302 +* charging is always allowed;
303 +* charging is allowed when there is a signal “Charger connected”;
304 +* charging is allowed when there is a signal “Charge request”.
370 370  
371 -If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
306 +If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors appears:
372 372  
373 -* Service reset;
374 -* Power down request;
375 -* Inhibit charging,
308 +* Overvoltage;
309 +* Overcurrent;
310 +* High temperature (CH);
311 +* Low temperature (CH);
312 +* HYG offline (optional);
313 +* Combilift offline (optional);
314 +* Spirit offline (optional);
315 +* Spirit charger error (optional);
316 +* Short circuit (optional);
317 +* High contactor temperature (optional);
318 +* CH contactor cycles error;
319 +* Critical error
376 376  
377 377  both contactors are open (no current flows).
378 378  
379 -When the algorithm "**On charger connected**" is selected, the control is performed as follows:
323 +When the algorithm "**On Charger connected**" is selected, the control is performed as follows:
380 380  
381 -* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
325 +* If there is a signal “Charger connected” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
382 382  * If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
383 383  * 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);
384 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
328 +* If errors in the list above occur the charging contactor and allow charging contactor open.
385 385  
386 -When the "**On charge request**" algorithm selected, the control is performed as follows:
330 +When the "**On Charge request**" algorithm selected, the control is performed as follows:
387 387  
388 -* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
332 +* If there is a signal “Charge request” and there are no errors (see the list above), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
389 389  * If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
390 390  * 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);
391 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
335 +* If errors in the list above occur the charging contactor and allow charging contactor open.
392 392  
393 393  (% class="box infomessage" %)
394 394  (((
395 -**Note: **when errors occur in the system, the **Charge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
339 +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).
396 396  )))
397 397  
342 +When the power down request occurs, the allow charging contactor opens immediately and the charging contactor opens after the delay T,,off,,. Reclosing the charging contactor and allow charging contactor is performed if the power down request is removed.
343 +
398 398  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
399 399  
400 -[[image:1740399363134-722.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="306" width="800"]]
346 +[[image:1733746766516-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]]
401 401  
402 402  In this section:
403 403  
... ... @@ -406,15 +406,23 @@
406 406  ** Always on – charging is always allowed;
407 407  ** On charger connected – charging is allowed when there is a signal “Charger connected”;
408 408  ** On charge request – charging is allowed when there is a signal “Charge request”;
409 -* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
355 +* Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
356 +* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
410 410  * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
411 411  * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
412 -* Control the precharging contactor – a flag that allows control of the precharging contactor (see [[Precharge>>url:http://#HPrecharge]]);
413 413  * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
414 -* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
415 415  * Custom delay: <error> – specific error delay, millisecond;
416 416  * 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”;
362 +* Control the precharging contactor – a flag that allows control of the precharging contactor;
363 +* 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;
364 +* 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;
365 +* 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.
417 417  
367 +(% class="box infomessage" %)
368 +(((
369 +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.
370 +)))
371 +
418 418  === Discharge ===
419 419  
420 420  The device controls the discharging contactor to connect battery to the load.
... ... @@ -421,36 +421,50 @@
421 421  
422 422  The device supports three algorithms to control battery discharging:
423 423  
424 -* Always on – load is always connected;
425 -* On charger disconnected – load is connected when there is no signal “Charger connected”;
426 -* On discharge request – load is connected when there is signal “Discharge request”.
378 +* load is always connected;
379 +* load is connected when there is no signal “Charger connected”;
380 +* load is connected when there is signal “Discharge request”.
427 427  
428 -When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
382 +When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears:
429 429  
430 -* Service reset
431 -* Power down request
432 -* Inhibit discharging
384 +* Undervoltage;
385 +* Overvoltage (optional);
386 +* Overcurrent;
387 +* High temperature (DCH);
388 +* Low temperature (DCH) (optional);
389 +* HYG offline (optional);
390 +* Combilift offline (optional);
391 +* Spirit offline (optional);
392 +* Spirit charger error (optional);
393 +* Short circuit (optional);
394 +* High contactor temperature (optional);
395 +* DCH contactor cycles error;
396 +* Critical error
433 433  
434 434  the discharging contactor opens.
435 435  
436 -If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
400 +If the algorithm "**On Charger disconnected**" is selected, the control is performed as follows:
437 437  
438 -* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
439 -* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
402 +* if there is no signal “Charger connected”, the charging contactor is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
403 +* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
440 440  
441 -When the "**On discharge request**" algorithm selected, the control is performed as follows:
405 +When the "**On Discharge request**" algorithm selected, the control is performed as follows:
442 442  
443 -* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
444 -* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
407 +* if there is signal “Discharge request”, the charging contactor is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
408 +* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
445 445  
446 446  (% class="box infomessage" %)
447 447  (((
448 -**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).
412 +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).
449 449  )))
450 450  
415 +The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
416 +
417 +When the power down request occurs, the discharging contactor opens after delay T,,off,,. Reclosing the discharging contactor is performed if the power down request is removed.
418 +
451 451  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
452 452  
453 -[[image:1740399783613-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="311" width="800"]]
421 +[[image:1733746885414-479.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]]
454 454  
455 455  In this section:
456 456  
... ... @@ -459,14 +459,16 @@
459 459  ** Always on – load is always connected;
460 460  ** On charger disconnected – load is connected when there is no signal “Charger connected”;
461 461  ** On discharge request – load is connected when there is signal “Discharge request”;
462 -* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
430 +* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
431 +* Current indicating no discharging – a current level to clear the "Discharging current present" signal, А;
463 463  * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
464 464  * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
465 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>path:#HPrecharge]]);
466 -* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
467 467  * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
468 468  * Custom delay: <error> – specific error delay, millisecond;
469 469  * 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”.
437 +* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
438 +* 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;
439 +* 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;
470 470  
471 471  === Charge/Discharge ===
472 472  
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