Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:14
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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 ... ... @@ -423,7 +423,7 @@ 423 423 424 424 To change the parameters of the battery charge control algorithm, select the "Control → Charge" section: 425 425 426 -[[image:17333 22798914-813.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="327" width="800"]]434 +[[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 +432,16 @@ 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”; 443 +* Allow charging only when the "Ready to charge" signal is et 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; 448 +* Control the precharging contactor – a flag that allows control of the precharging 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; 440 440 * Custom delay: <error> – specific error delay, 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. ... ... @@ -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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