Changes for page 3.3 Control
Last modified by Admin on 2026/04/30 15:56
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... ... @@ -312,23 +312,26 @@ 312 312 313 313 === Main contactor === 314 314 315 -The BMS Main 3 / BM SMain 2Rdevice 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 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 -In **“Always on”** mode main contactor closes if all the following is true: 319 +* Always on; 320 +* Automatic. 320 320 322 +In “Always on” mode main contactor closes if all the following is true: 323 + 321 321 * Other contactors are open; 322 -* There are __no errors__from the "Errors 1, 2 ..." bitfileds.325 +* There are no errors from the "Errors 1, 2 ..." bitfileds. 323 323 324 -and opens if all the following is true: 327 +In “Always on” mode main contactor opens if all the following is true: 325 325 326 326 * Other contactors are open; 327 -* There is __an error__from the the "Errors 1, 2 ..." bitfileds.330 +* There is an error from the the "Errors 1, 2 ..." bitfileds. 328 328 329 -In **“Automatic”**mode, the main contactor closes by internal algorithms at the same time with other contactors.332 +In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors. 330 330 331 -In **“On demand”**mode, the main contactor closes by external the “Close Main contactor” request.334 +In “On demand” mode, the main contactor closes by external the “Close Main contactor” request. 332 332 333 333 (% class="box infomessage" %) 334 334 ((( ... ... @@ -341,15 +341,15 @@ 341 341 342 342 In this section: 343 343 344 -* **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.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. 353 353 354 354 === Charging status === 355 355 ... ... @@ -359,17 +359,17 @@ 359 359 360 360 In this section: 361 361 362 -* **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.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. 373 373 374 374 (% class="box infomessage" %) 375 375 ((( ... ... @@ -386,28 +386,24 @@ 386 386 387 387 In this section: 388 388 389 -* **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.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. 400 400 401 401 === Precharge === 402 402 403 -The BMS Main 3 / BMS Main 2Rdevice 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.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. 404 404 405 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. 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. 406 406 407 -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 - 411 411 TBA 412 412 413 413 To change the parameters of precharge contactor, select the "Control → Precharge" section: