Changes for page 3.3 Control
Last modified by Admin on 2026/04/30 15:56
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -312,26 +312,23 @@ 312 312 313 313 === Main contactor === 314 314 315 -The BMS Main 3 / BM sdevice 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.315 +The BMS Main 3 / BMS Main 2R 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. 316 316 317 317 The Main contactor algorithm supports the following modes: 318 318 319 -* Always on; 320 -* Automatic. 319 +In **“Always on”** mode main contactor closes if all the following is true: 321 321 322 -In “Always on” mode main contactor closes if all the following is true: 323 - 324 324 * Other contactors are open; 325 -* There are no errors from the "Errors 1, 2 ..." bitfileds. 322 +* There are __no errors__ from the "Errors 1, 2 ..." bitfileds. 326 326 327 - In “Always on” modemain contactor opens if all the following is true:324 +and opens if all the following is true: 328 328 329 329 * Other contactors are open; 330 -* There is an error from the the "Errors 1, 2 ..." bitfileds. 327 +* There is __an error__ from the the "Errors 1, 2 ..." bitfileds. 331 331 332 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors. 329 +In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors. 333 333 334 -In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 331 +In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request. 335 335 336 336 (% class="box infomessage" %) 337 337 ((( ... ... @@ -344,15 +344,15 @@ 344 344 345 345 In this section: 346 346 347 -* Enable – a flag to enable the main contactor control; 348 -* Algorithm – main contactor control algorithm: 349 -** Always on – contactor is always closed; 350 -** Automatic – contactor closes by internal charge and discharge algorithms; 351 -** On demand – contactor is closed by an external request; 352 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed; 353 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s; 354 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset; 355 -* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor. 344 +* **Enable **– a flag to enable the main contactor control; 345 +* **Algorithm** – main contactor control algorithm: 346 +** **Always on** – contactor is always closed; 347 +** **Automatic** – contactor closes by internal charge and discharge algorithms; 348 +** **On demand** – contactor is closed by an external request; 349 +* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed; 350 +* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s; 351 +* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset; 352 +* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor. 356 356 357 357 === Charging status === 358 358 ... ... @@ -362,17 +362,17 @@ 362 362 363 363 In this section: 364 364 365 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A; 366 -* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A; 367 -* 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; 368 -* 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; 369 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal; 370 -* 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; 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 -* 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; 373 -* 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; 374 -* 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; 375 -* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal. 362 +* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A; 363 +* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A; 364 +* **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; 365 +* **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; 366 +* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal; 367 +* **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; 368 +* **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; 369 +* **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; 370 +* **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; 371 +* **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; 372 +* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal. 376 376 377 377 (% class="box infomessage" %) 378 378 ((( ... ... @@ -389,24 +389,28 @@ 389 389 390 390 In this section: 391 391 392 -* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А; 393 -* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А; 394 -* 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; 395 -* 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; 396 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal; 397 -* 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; 398 -* 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; 399 -* 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; 400 -* 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; 401 -* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set; 402 -* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal. 389 +* **Current to set the "Discharging current present"** – a current level to generate the "Discharging current present" signal, А; 390 +* **Current to clear the "Discharging current present"** – a current level to clear the "Discharging current present" signal, А; 391 +* **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; 392 +* **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; 393 +* **Use actual voltage to generate the "Ready to discharge" signal** – a flag to disable voltage correction for "Ready to discharge" signal; 394 +* **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; 395 +* **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; 396 +* **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; 397 +* **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; 398 +* **Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set**; 399 +* **Errors 1, 2 to clear the "Ready to discharge"** – bitfields to choose the errors which will clear the "Ready to discharge" signal. 403 403 404 404 === Precharge === 405 405 406 -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. 403 +The BMS Main 3 / BMS Main 2R 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. 407 407 408 -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.405 +BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. 409 409 407 +BMS Main 2R device detects errors while pre-charging the load capacity only by monitoring the current. 408 + 409 +Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit. 410 + 410 410 TBA 411 411 412 412 To change the parameters of precharge contactor, select the "Control → Precharge" section: