Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:14
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -275,6 +275,7 @@ 275 275 276 276 I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,, 277 277 278 + 278 278 === Discharge map (PEAK & CONTINUOUS) === 279 279 280 280 The BMS Main 3 has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes. ... ... @@ -302,73 +302,6 @@ 302 302 303 303 I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,, 304 304 305 -=== 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:1733322872744-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" 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 - 360 -=== Charging status === 361 - 362 -TBA 363 - 364 -=== Discharging status === 365 - 366 -TBA 367 - 368 -=== Precharge === 369 - 370 -TBA 371 - 372 372 === Charge === 373 373 374 374 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. ... ... @@ -557,6 +557,61 @@ 557 557 * Maximum voltage – maximum battery voltage, V; 558 558 * 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. 559 559 494 +=== Main contactor === 495 + 496 +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. 497 + 498 +The Main contactor algorithm supports the following modes: 499 + 500 +* Always on; 501 +* Automatic; 502 +* On demand. 503 + 504 +In “Always on” mode main contactor closes if all the following is true: 505 + 506 +* Charging contactor is open; 507 +* Discharging contactor is open; 508 +* There are no errors from the list below: 509 +** Overcurrent; 510 +** Undervoltage; 511 +** Overvoltage; 512 +** High temperature (CH); 513 +** High temperature (DCH); 514 +** Unallowable charging; 515 +** Critical error. 516 + 517 +In “Always on” mode main contactor opens if all the following is true: 518 + 519 +* Charging contactor is open; 520 +* Discharging contactor is open; 521 +* There is an error from the list below: 522 +** Overcurrent; 523 +** Undervoltage; 524 +** Overvoltage; 525 +** High temperature (CH); 526 +** High temperature (DCH); 527 +** Unallowable charging; 528 +** Critical error. 529 + 530 +In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors. 531 + 532 +In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 533 + 534 +To change the parameters of the main contactor, select the "Control → Main contactor" section: 535 + 536 +[[image:1733322872744-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]] 537 + 538 +In this section: 539 + 540 +* Enable – a flag to enable the main contactor control; 541 +* Algorithm – main contactor control algorithm: 542 +** Always on – contactor is always closed; 543 +** Automatic – contactor closes by internal charge and discharge algorithms; 544 +** On demand – contactor is closed by an external request; 545 +* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed; 546 +* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s; 547 +* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset. 548 + 560 560 === Cell balancing === 561 561 562 562 Balancing makes the voltage of all cells equal to the minimum cell voltage.