Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:14
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... ... @@ -106,7 +106,7 @@ 106 106 107 107 Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value 108 108 109 -{{formula fontSize=" NORMAL" imageType="PNG"}}109 +{{formula fontSize="SMALL" imageType="PNG"}} 110 110 R = \frac{U-U_{ocv}}{I_{stable}} 111 111 {{/formula}} 112 112 ... ... @@ -114,16 +114,18 @@ 114 114 115 115 The second method is used for a stepwise change in the current through the cell, while the value of the cell resistance: 116 116 117 -R = (U,,2,,-U,,1,,) / (I,,stable2,,-I,,stable1,,) provided that | I,,stable2,,-I,,stable1,, | > 0.2 × Q,,max,, 118 - 119 -{{formula}} 120 -R = frac\{U_2-U_1}{I_{stable2}-I_{stable1}} 117 +{{formula fontSize="SMALL"}} 118 +R = \frac{U_2-U_1}{I_{stable2}-I_{stable1}} 121 121 {{/formula}} 122 122 123 - (Q,,max,,isthe maximum cell capacity),121 +provided that 124 124 125 -where U,,2,, is the voltage on the cell at the moment when the stabilized current I,,stable2,, is flowing through it; U,,1,, – the voltage on the cell at the moment when the stabilized current I,,stable1,, flowing through it. 123 +{{formula fontSize="SMALL"}} 124 +| I_{stable2}-I_{stable1} | > 0.2 × Qmax 125 +{{/formula}} 126 126 127 +where Q,,max,, — the maximum cell capacity,U,,2,, — voltage on the cell at the moment when the stabilized current I,,stable2,, is flowing through it; U,,1,, — the voltage on the cell at the moment when the stabilized current I,,stable1,, flowing through it. 128 + 127 127 The stabilized current I,,stable,, = I, if during the stabilization time the instantaneous current I is in the range from 0.95 × I to 1.05 × I. 128 128 129 129 To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section: ... ... @@ -138,7 +138,7 @@ 138 138 * Minimum SOC – minimum cell SOC value for resistance calculation; 139 139 * Maximum SOC – maximum cell SOC value for resistance calculation. 140 140 141 -The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance). 143 +The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance / 2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance). 142 142 143 143 === Low SOC (signal) === 144 144 ... ... @@ -198,7 +198,7 @@ 198 198 199 199 To configure parameters for determining the charge current limit, select the "Control → Charge map" section: 200 200 201 -[[image:173 3322637793-171.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"]] 202 202 203 203 In this section: 204 204 ... ... @@ -226,7 +226,7 @@ 226 226 227 227 To configure parameters for determining the discharge current limit, select the "Control → Discharge map" section: 228 228 229 -[[image:173 3322637795-310.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"]] 230 230 231 231 In this section: 232 232 ... ... @@ -252,7 +252,7 @@ 252 252 253 253 To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section: 254 254 255 -[[image:173332 2637796-187.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"]] 256 256 257 257 In this section: 258 258 ... ... @@ -273,7 +273,6 @@ 273 273 274 274 I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,, 275 275 276 - 277 277 === Discharge map (PEAK & CONTINUOUS) === 278 278 279 279 The BMS Main 3 has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes. ... ... @@ -280,7 +280,7 @@ 280 280 281 281 To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section: 282 282 283 -[[image:173 3322735595-661.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"]] 284 284 285 285 In this section: 286 286 ... ... @@ -301,6 +301,129 @@ 301 301 302 302 I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,, 303 303 305 +=== Main contactor === 306 + 307 +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. 308 + 309 +The Main contactor algorithm supports the following modes: 310 + 311 +* Always on; 312 +* Automatic; 313 +* On demand. 314 + 315 +In “Always on” mode main contactor closes if all the following is true: 316 + 317 +* Charging contactor is open; 318 +* Discharging contactor is open; 319 +* There are no errors from the list below: 320 +** Overcurrent; 321 +** Undervoltage; 322 +** Overvoltage; 323 +** High temperature (CH); 324 +** High temperature (DCH); 325 +** Unallowable charging; 326 +** Critical error. 327 + 328 +In “Always on” mode main contactor opens if all the following is true: 329 + 330 +* Charging contactor is open; 331 +* Discharging contactor is open; 332 +* There is an error from the list below: 333 +** Overcurrent; 334 +** Undervoltage; 335 +** Overvoltage; 336 +** High temperature (CH); 337 +** High temperature (DCH); 338 +** Unallowable charging; 339 +** Critical error. 340 + 341 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors. 342 + 343 +In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 344 + 345 +To change the parameters of the main contactor, select the "Control → Main contactor" section: 346 + 347 +[[image:1735064488658-863.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]] 348 + 349 +In this section: 350 + 351 +* Enable – a flag to enable the main contactor control; 352 +* Algorithm – main contactor control algorithm: 353 +** Always on – contactor is always closed; 354 +** Automatic – contactor closes by internal charge and discharge algorithms; 355 +** On demand – contactor is closed by an external request; 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 +* 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; 359 +* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor. 360 + 361 +=== Charging status === 362 + 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; 369 +* 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; 370 +* 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; 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. 373 + 374 +(% class="box infomessage" %) 375 +((( 376 +**Note:** The "Allow charging" signal activates under two independent conditions: 377 +1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and 378 +2) the "Delay before recharging" time has passed since the opening of the allow charging contactor. 379 +))) 380 + 381 +=== Discharging status === 382 + 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; 389 +* 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; 390 +* 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. 392 + 393 +=== Precharge === 394 + 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. 396 + 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 + 304 304 === Charge === 305 305 306 306 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. ... ... @@ -329,9 +329,9 @@ 329 329 330 330 or one of the signals: 331 331 332 -* Service reset 333 -* Power down request 334 -* Inhibit charging 456 +* Service reset; 457 +* Power down request; 458 +* Inhibit charging, 335 335 336 336 both contactors are open (no current flows). 337 337 ... ... @@ -349,11 +349,14 @@ 349 349 * 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); 350 350 * If errors in the list above occur the charging contactor and allow charging contactor open. 351 351 352 -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 +))) 353 353 354 354 To change the parameters of the battery charge control algorithm, select the "Control → Charge" section: 355 355 356 -[[image:17333 22798914-813.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="327" width="800"]]483 +[[image:1735063563460-549.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]] 357 357 358 358 In this section: 359 359 ... ... @@ -362,20 +362,15 @@ 362 362 ** Always on – charging is always allowed; 363 363 ** On charger connected – charging is allowed when there is a signal “Charger connected”; 364 364 ** On charge request – charging is allowed when there is a signal “Charge request”; 365 -* Current corresponding to charging – a current level to generate the "Charging current present" signal, A; 366 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A; 492 +* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared; 367 367 * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond; 368 368 * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond; 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; 369 369 * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors; 370 -* Custom delay: <error> – specific error delay, millisecond;498 +* Custom delay: <error> – delay for specific error, millisecond; 371 371 * 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”; 372 -* Control the precharging contactor – a flag that allows control of the precharging contactor; 373 -* 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; 374 -* 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; 375 -* 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. 376 376 377 -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. 378 - 379 379 === Discharge === 380 380 381 381 The device controls the discharging contactor to connect battery to the load. ... ... @@ -422,13 +422,16 @@ 422 422 * 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; 423 423 * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens. 424 424 425 -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 +))) 426 426 427 427 The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted. 428 428 429 429 To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section: 430 430 431 -[[image:173 3323750262-841.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"]] 432 432 433 433 In this section: 434 434 ... ... @@ -437,18 +437,14 @@ 437 437 ** Always on – load is always connected; 438 438 ** On charger disconnected – load is connected when there is no signal “Charger connected”; 439 439 ** On discharge request – load is connected when there is signal “Discharge request”; 440 -* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А; 441 -* 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; 442 442 * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond; 443 443 * 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; 444 444 * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors; 445 445 * Custom delay: <error> – specific error delay, millisecond; 446 446 * 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”. 447 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond; 448 -* 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; 449 -* Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V; 450 -* 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; 451 -* 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; 452 452 453 453 === Charge/Discharge === 454 454 ... ... @@ -476,7 +476,7 @@ 476 476 477 477 To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section: 478 478 479 -[[image:173 3322827920-878.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"]] 480 480 481 481 In this section: 482 482 ... ... @@ -487,63 +487,11 @@ 487 487 * Switch off the discharging (AUX) contactor if the battery voltage is out of the range; 488 488 * Minimum voltage – minimum battery voltage, V; 489 489 * Maximum voltage – maximum battery voltage, V; 490 -* 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; 491 491 492 -=== Main contactor === 493 - 494 -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. 495 - 496 -The Main contactor algorithm supports the following modes: 497 - 498 -* Always on; 499 -* Automatic; 500 -* On demand. 501 - 502 -In “Always on” mode main contactor closes if all the following is true: 503 - 504 -* Charging contactor is open; 505 -* Discharging contactor is open; 506 -* There are no errors from the list below: 507 -** Overcurrent; 508 -** Undervoltage; 509 -** Overvoltage; 510 -** High temperature (CH); 511 -** High temperature (DCH); 512 -** Unallowable charging; 513 -** Critical error. 514 - 515 -In “Always on” mode main contactor opens if all the following is true: 516 - 517 -* Charging contactor is open; 518 -* Discharging contactor is open; 519 -* There is an error from the list below: 520 -** Overcurrent; 521 -** Undervoltage; 522 -** Overvoltage; 523 -** High temperature (CH); 524 -** High temperature (DCH); 525 -** Unallowable charging; 526 -** Critical error. 527 - 528 -In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors. 529 - 530 -In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 531 - 532 -To change the parameters of the main contactor, select the "Control → Main contactor" section: 533 - 534 -[[image:1733322872744-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]] 535 - 536 -In this section: 537 - 538 -* Enable – a flag to enable the main contactor control; 539 -* Algorithm – main contactor control algorithm: 540 -** Always on – contactor is always closed; 541 -** Automatic – contactor closes by internal charge and discharge algorithms; 542 -** On demand – contactor is closed by an external request; 543 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed; 544 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s; 545 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset. 546 - 547 547 === Cell balancing === 548 548 549 549 Balancing makes the voltage of all cells equal to the minimum cell voltage. ... ... @@ -570,7 +570,7 @@ 570 570 571 571 To change the cell balancing parameters, select the "Control → Cell balancing" section: 572 572 573 -[[image:173 3322883460-118.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"]] 574 574 575 575 In this section: 576 576 ... ... @@ -580,11 +580,16 @@ 580 580 ** 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); 581 581 ** Balance always – balancing is always performed regardless the battery state; 582 582 583 -[[image:173 3322883462-975.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"]] 584 584 654 +* 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; 585 585 * Minimum cell voltage to start balancing, V; 586 586 * Voltage deviation to start balancing; 587 587 * 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; 588 588 * Command to discharge all cells – a flag to force the balancing of all cells. 589 589 590 590 === Series balancing === ... ... @@ -707,7 +707,10 @@ 707 707 708 708 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. 709 709 710 -**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 +))) 711 711 712 712 === Cell analysis === 713 713
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