Changes for page 3.3 Control
Last modified by Admin on 2026/04/30 15:56
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... ... @@ -21,7 +21,7 @@ 21 21 ** Summation of cell voltages – the overall voltage is calculated as on sum of all cells in the battery; 22 22 ** Using voltage before contactors – the overall voltage is estimated as voltage before contactors measured by BMS. 23 23 24 -The values “Capacity” and“Resistance” are used to calculate the SOC of cells and the battery.24 +The values “Capacity”, “Resistance”, “Cycles” are used to calculate the SOC of cells and the battery. 25 25 26 26 The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery. 27 27 ... ... @@ -70,8 +70,8 @@ 70 70 71 71 * Minimal SOC – the battery SOC is assumed to be the minimum SOC among the cells; 72 72 * Average SOC – the battery SOC is taken equal to the arithmetic average of the cell SOC; 73 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell ha s100% SOC, b) 0% if any cell has0% SOC;74 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC .73 +* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell have 100% SOC, b) 0% if any cell have 0% SOC; 74 +* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC; 75 75 76 76 Other parameters: 77 77 ... ... @@ -102,27 +102,6 @@ 102 102 * Ignore the linear zone – a flag to ignore linear SOC zone while correction (recommended to be unset); 103 103 * Last correction timestamp – time when last correction was made. 104 104 105 -=== SOH estimation === 106 - 107 -The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms: 108 - 109 -* By effective capacity; 110 -* By total charge-. 111 - 112 -In "By effective capacity" mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge. 113 - 114 -In "By total charge-" mode SOH is calculated as a linear function of "Total charge-" counter. While "Total charge-" constantly increases during battery operation, SOH will be linearly decrease at the same time. This mode requires a confirmed data about cell health depending of amount of discharge rate to configure the linear function. 115 - 116 -To configure parameters for battery state of health calculation, select the "Control → SOH correction" section: 117 - 118 -[[image:1765447975228-766.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]In this section: 119 - 120 -* Algorithm: 121 -** By effective capacity; 122 -** By total charge-; 123 -* Total charge: Charge- – total amount of charge- for expected SOH; 124 -* Total charge: SOH – expected SOH value at the total amount of charge-. 125 - 126 126 === Resistance estimation === 127 127 128 128 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 ... ... @@ -234,11 +234,11 @@ 234 234 * Enable – a flag to start calculation of the charge current limit; 235 235 * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A; 236 236 * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s; 237 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cellSOC__and battery temperature;216 +* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on SOC and battery temperature; 238 238 * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature; 239 239 * Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature; 240 240 * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature; 241 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __themaximum cellU,,ocv,, voltage__ (corrected due to current and cell resistance)220 +* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on maximum cell voltage; 242 242 * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage; 243 243 * Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature; 244 244 * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature. ... ... @@ -262,11 +262,11 @@ 262 262 * Enable – a flag to start calculation of the discharge current limit; 263 263 * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A; 264 264 * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s; 265 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cellSOC__and temperature;244 +* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on SOC and temperature; 266 266 * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature; 267 267 * Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature; 268 268 * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature; 269 -* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __theminimum cellU,,ocv,, voltage__ (corrected due to current and cell resistance)248 +* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on minimum cell voltage; 270 270 * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage; 271 271 * Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature; 272 272 * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature. ... ... @@ -336,7 +336,8 @@ 336 336 The Main contactor algorithm supports the following modes: 337 337 338 338 * Always on; 339 -* Automatic. 318 +* Automatic; 319 +* On demand. 340 340 341 341 In “Always on” mode main contactor closes if all the following is true: 342 342 ... ... @@ -348,7 +348,7 @@ 348 348 * Other contactors are open; 349 349 * There is an error from the the "Errors 1, 2 ..." bitfileds. 350 350 351 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.331 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with ther contactors. 352 352 353 353 In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 354 354 ... ... @@ -377,20 +377,13 @@ 377 377 378 378 To change the parameters of charging process status, select the "Control → Charging status" section: 379 379 380 -[[image:17 71432488941-251.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="800"]]360 +[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]In this section: 381 381 382 -In this section: 383 - 384 384 * Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A; 385 385 * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A; 386 -* Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) 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; 387 -* Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) 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; 388 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal; 389 -* Treat negative currents as zero currents for generating the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal at discharging current; 364 +* 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; 365 +* 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; 390 390 * 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; 391 -* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal; 392 -* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared; 393 -* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set; 394 394 * Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal. 395 395 396 396 (% class="box infomessage" %) ... ... @@ -404,20 +404,12 @@ 404 404 405 405 To change the parameters of discharging process status, select the "Control → Discharging status" section: 406 406 407 -[[image:17 71431570393-551.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="800"]]380 +[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section: 408 408 409 -In this section: 410 - 411 411 * Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А; 412 412 * Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А; 413 -* Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared; 414 -* Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set; 415 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal; 416 -* Treat positive currents as zero currents for generating the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal at charging current; 417 -* Check the 'Discharge current limit' value to generate the 'Ready to discharge' – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal; 418 -* Discharge current limit to clear the 'Ready to discharge' – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared; 419 -* Discharge current limit to set the 'Ready to discharge' – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set; 420 -* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set; 384 +* 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; 385 +* 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; 421 421 * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal. 422 422 423 423 === Precharge === ... ... @@ -430,14 +430,12 @@ 430 430 431 431 To change the parameters of precharge contactor, select the "Control → Precharge" section: 432 432 433 -[[image:17503 28428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]398 +[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]] 434 434 435 435 * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A; 436 436 * 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; 437 437 * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V; 438 -* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay; 439 439 * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error"; 440 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond; 441 441 * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond; 442 442 * Relaxation between attempts – a duration between precharge attempts, millisecond; 443 443 * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor; ... ... @@ -447,10 +447,10 @@ 447 447 * Delay before clearing the "Precharge error", second; 448 448 * Lock the "Precharge error" – a flag to block the error until the device is restarted. 449 449 450 -“Precharge error” generation conditions if any of the following is true:413 +“Precharge error” generation conditions: 451 451 452 -* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";453 -* voltages before and after contactors are not equal duringthe "Precharge time" after "Number of precharging attempts";415 +* the precharge current does not decrease after "Number of precharging attempts"; 416 +* voltages before and after contactors are not equal after "Number of precharging attempts"; 454 454 * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time. 455 455 456 456 (% class="box warningmessage" %) ... ... @@ -468,8 +468,24 @@ 468 468 * On charger connected – charging is allowed when there is a signal “Charger connected”; 469 469 * On charge request – charging is allowed when there is a signal “Charge request”. 470 470 471 -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 ..." bitfieldsappearsor one of the signals:434 +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: 472 472 436 +* Overvoltage; 437 +* Overcurrent; 438 +* High temperature (CH); 439 +* Low temperature (CH); 440 +* HYG offline (optional); 441 +* Combilift offline (optional); 442 +* Spirit offline (optional); 443 +* Spirit charger error (optional); 444 +* Short circuit (optional); 445 +* High contactor temperature (optional); 446 +* CH contactor cycles error; 447 +* Precharge error (optional); 448 +* Critical error 449 + 450 +or one of the signals: 451 + 473 473 * Service reset; 474 474 * Power down request; 475 475 * Inhibit charging, ... ... @@ -478,17 +478,17 @@ 478 478 479 479 When the algorithm "**On charger connected**" is selected, the control is performed as follows: 480 480 481 -* If there is a signal “Charger connected” and there are no errors (see the "Errors1, 2 ..."bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;460 +* 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; 482 482 * If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens; 483 483 * 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); 484 -* If errors fromthe"Errors1, 2 ..."bitfieldsoccur the charging contactor and allow charging contactor open.463 +* If errors in the list above occur the charging contactor and allow charging contactor open. 485 485 486 486 When the "**On charge request**" algorithm selected, the control is performed as follows: 487 487 488 -* If there is a signal “Charge request” and there are no errors (see the "Errors1, 2 ..."bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;467 +* 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; 489 489 * If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens; 490 490 * 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); 491 -* If errors fromthe"Errors1, 2 ..."bitfieldsoccur the charging contactor and allow charging contactor open.470 +* If errors in the list above occur the charging contactor and allow charging contactor open. 492 492 493 493 (% class="box infomessage" %) 494 494 ((( ... ... @@ -509,7 +509,7 @@ 509 509 * Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared; 510 510 * Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond; 511 511 * Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond; 512 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>path:#HPrecharge]]);491 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the charge contactor; 513 513 * Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor; 514 514 * Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors; 515 515 * Custom delay: <error> – delay for specific error, millisecond; ... ... @@ -525,8 +525,26 @@ 525 525 * On charger disconnected – load is connected when there is no signal “Charger connected”; 526 526 * On discharge request – load is connected when there is signal “Discharge request”. 527 527 528 -When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors fromthe "Errors 1, 2 ..." bitfieldsappearsor one of the signals:507 +When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors appears: 529 529 509 +* Undervoltage; 510 +* Overvoltage (optional); 511 +* Overcurrent; 512 +* High temperature (DCH); 513 +* Low temperature (DCH) (optional); 514 +* HYG offline (optional); 515 +* Combilift offline (optional); 516 +* Spirit offline (optional); 517 +* Spirit charger error (optional); 518 +* Short circuit (optional); 519 +* High contactor temperature (optional); 520 +* Unallowable charging; 521 +* DCH contactor cycles error; 522 +* Precharge error (optional); 523 +* Critical error 524 + 525 +or one of the signals: 526 + 530 530 * Service reset 531 531 * Power down request 532 532 * Inhibit discharging ... ... @@ -535,13 +535,13 @@ 535 535 536 536 If the algorithm "**On charger disconnected**" is selected, the control is performed as follows: 537 537 538 -* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors1, 2 ..."bitfields), then through the delay time T,,on,, the discharging contactor closes;539 -* If the signal “Charger connected” appears or errors occur (see the "Errors1, 2 ..."bitfields), then after the delay time T,,off,, the discharging contactor opens.535 +* if there is no signal “Charger connected”, 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; 536 +* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens. 540 540 541 541 When the "**On discharge request**" algorithm selected, the control is performed as follows: 542 542 543 -* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors1, 2 ..."bitfields), then through the delay time T,,on,, the discharging contactor closes;544 -* If the signal “Discharge request” disappears or errors occur (see the "Errors1, 2 ..."bitfields), then after the delay time T,,off,, the discharging contactor opens.540 +* 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; 541 +* If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens. 545 545 546 546 (% class="box infomessage" %) 547 547 ((( ... ... @@ -548,6 +548,8 @@ 548 548 **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). 549 549 ))) 550 550 548 +The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted. 549 + 551 551 To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section: 552 552 553 553 [[image:1735064038329-836.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="273" width="800"]] ... ... @@ -562,7 +562,7 @@ 562 562 * Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared; 563 563 * Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond; 564 564 * Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond; 565 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>doc:||anchor="HPrecharge"]]);564 +* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor; 566 566 * Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor; 567 567 * Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors; 568 568 * Custom delay: <error> – specific error delay, millisecond; ... ... @@ -615,8 +615,13 @@ 615 615 616 616 * the battery has low SOC; 617 617 * the battery voltage is out of range; 618 -* the errors are detected (configured in the "Errors 1, 2..." bitfields).617 +* the battery system errors are detected. 619 619 619 +(% class="box infomessage" %) 620 +((( 621 +**Note: **when errors occur in the system, the **Discharge (AUX) **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below). 622 +))) 623 + 620 620 To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section: 621 621 622 622 [[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]] ... ... @@ -627,13 +627,13 @@ 627 627 * Switch off the discharging (AUX) contactor if the SOC is too low; 628 628 * Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %; 629 629 * Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %; 630 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range; 631 -* Minimum cell voltage, V; 632 -* Maximum cell voltage, V; 633 633 * Switch off the discharging (AUX) contactor if the battery voltage is out of the range; 635 +* Minimum voltage – minimum battery voltage, V; 636 +* Maximum voltage – maximum battery voltage, V; 637 +* 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; 634 634 * Minimum battery voltage, V; 635 635 * Maximum battery voltage, V; 636 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor .640 +* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor; 637 637 638 638 === Cell balancing === 639 639 ... ... @@ -648,22 +648,17 @@ 648 648 A balancing resistor is connected to the cell if the following conditions are simultaneously met: 649 649 650 650 * the voltage on the cell is higher than the balancing start voltage; 651 -* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold ;655 +* the difference between the voltage on the cell and the minimum voltage among the battery cells is greater than the balancing start threshold. 652 652 653 653 A balancing resistor is disconnected from the cell if any of the following conditions are met: 654 654 655 -* the voltage on the cell is less than the balancing st opvoltage;659 +* the voltage on the cell is less than the balancing start voltage; 656 656 * the difference between the voltage on the cell and the minimum voltage among the battery cells is less than the balancing stop threshold. 657 657 658 -(% class="box infomessage" %) 659 -((( 660 660 If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed. 661 -))) 662 662 663 663 The BMS Main 3 can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold. 664 664 665 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value. 666 - 667 667 To change the cell balancing parameters, select the "Control → Cell balancing" section: 668 668 669 669 [[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]] ... ... @@ -675,6 +675,9 @@ 675 675 ** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states); 676 676 ** 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); 677 677 ** Balance always – balancing is always performed regardless the battery state; 677 + 678 +[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]] 679 + 678 678 * Balancing condition: 679 679 ** Automatic – balancing will be performed automatically if needed conditions are met; 680 680 ** 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; ... ... @@ -760,10 +760,7 @@ 760 760 761 761 * the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time. 762 762 763 -(% class="box infomessage" %) 764 -((( 765 -If there is the "Heater" signal, the heater contactor closes and/or a signal is set to the corresponding digital output. 766 -))) 765 +If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponding digital output. 767 767 768 768 === Cooler === 769 769 ... ... @@ -790,10 +790,7 @@ 790 790 791 791 * the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time. 792 792 793 -(% class="box infomessage" %) 794 -((( 795 -If there is the "Cooler" signal, the cooler contactor closes and/or a signal is set to the corresponding digital output. 796 -))) 792 +If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponding digital output. 797 797 798 798 === High voltage === 799 799
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