Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:56

From 76.5 to 76.4 From 76.11 to 76.10

From version 76.10

edited by Admin
on 2026/03/31 13:02

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To version 76.5

edited by Admin
on 2026/03/31 12:54

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@@ -258,7 +258,7 @@
  === Charge map (PEAK & CONTINUOUS) ===
--The BMS Main 3 / BMS Main 2R has an alternative algorithm for the maximum allowed charging current based on peak and continuous battery operating modes.
++The BMS Main 3 has an alternative algorithm for the maximum allowed charging current based on peak and continuous battery operating modes.
  To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section:
@@ -266,26 +266,26 @@
  In this section:
--* **Enable **– a flag to start calculation of the charge current limit;
--* **Maximum PEAK charge current** – a maximum peak charge current (under normal conditions), A;
--* **Maximum CONTINUOUS charge current** – a maximum continuous charge current (under normal conditions), A;
--* **PEAK: SOC x Temperature x Factor** – the dependence of the correction factor for peak current K,,cp,, on SOC and battery temperature;
--* **CONTINUOUS: SOC x Temperature x Factor** – the dependence of the correction factor for continuous current K,,cc,, on SOC and battery temperature;
--* **PEAK time** – a time for peak current to be allowed, s;
--* **Sliding time** – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
--* **Waiting time** – a time for peak current to be prohibited, s.
++* Enable – a flag to start calculation of the charge current limit;
++* Maximum PEAK charge current – a maximum peak charge current (under normal conditions), A;
++* Maximum CONTINUOUS charge current – a maximum continuous charge current (under normal conditions), A;
++* PEAK: SOC x Temperature x Factor – the dependence of the correction factor for peak current K,,cp,, on SOC and battery temperature;
++* CONTINUOUS: SOC x Temperature x Factor – the dependence of the correction factor for continuous current K,,cc,, on SOC and battery temperature;
++* PEAK time – a time for peak current to be allowed, s;
++* Sliding time – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
++* Waiting time – a time for peak current to be prohibited, s.
  The maximum charging current value equals to the peak or continuous current according to the following diagram:
  [[image:1733322717451-608.png||data-xwiki-image-style-alignment="center"]]
--**I,,peak,, = Maximum PEAK charge current × K,,cp,,**
++I,,peak,, = Maximum PEAK charge current × K,,cp,,
--**I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,**
++I,,continuous,, = Maximum CONTINUOUS charge current × K,,cc,,
  === Discharge map (PEAK & CONTINUOUS) ===
--The BMS Main 3 / BMS Main 2R has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes.
++The BMS Main 3 has an alternative algorithm for the maximum allowed discharging current based on peak and continuous battery operating modes.
  To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section:
@@ -293,42 +293,45 @@
  In this section:
--* **Enable **– a flag to start calculation of the discharge current limit;
--* **Maximum PEAK discharge current** – a maximum peak discharge current (under normal conditions), A;
--* **Maximum CONTINUOUS discharge current** – a maximum continuous discharge current (under normal conditions), A;
--* **PEAK: SOC x Temperature x Factor** – the dependence of the correction factor for peak current K,,dp,, on SOC and battery temperature;
--* **CONTINUOUS: SOC x Temperature x Factor** – the dependence of the correction factor for continuous current K,,dc,, on SOC and battery temperature;
--* **PEAK time** – a time for peak current to be allowed, s;
--* **Sliding time** – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
--* **Waiting time** – a time for peak current to be prohibited, s.
++* Enable – a flag to start calculation of the discharge current limit;
++* Maximum PEAK discharge current – a maximum peak discharge current (under normal conditions), A;
++* Maximum CONTINUOUS discharge current – a maximum continuous discharge current (under normal conditions), A;
++* PEAK: SOC x Temperature x Factor – the dependence of the correction factor for peak current K,,dp,, on SOC and battery temperature;
++* CONTINUOUS: SOC x Temperature x Factor – the dependence of the correction factor for continuous current K,,dc,, on SOC and battery temperature;
++* PEAK time – a time for peak current to be allowed, s;
++* Sliding time – a time of linear change of the maximum charging current from peak to continuous and from continuous to peak value, ms;
++* Waiting time – a time for peak current to be prohibited, s.
  The maximum discharging current value equals to the peak or continuous current according to following diagram:
  [[image:1733322753429-968.png||data-xwiki-image-style-alignment="center"]]
--**I,,peak,, = Maximum PEAK discharge current × K,,dp,,**
++I,,peak,, = Maximum PEAK discharge current × K,,dp,,
--**I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,**
++I,,continuous,, = Maximum CONTINUOUS discharge current × K,,dc,,
  === Main contactor ===
--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.
++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.
  The Main contactor algorithm supports the following modes:
--In **“Always on”** mode main contactor closes if all the following is true:
++* Always on;
++* Automatic.
++In “Always on” mode main contactor closes if all the following is true:
++
  * Other contactors are open;
--* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
++* There are no errors from the "Errors 1, 2 ..." bitfileds.
--and opens if all the following is true:
++In “Always on” mode main contactor opens if all the following is true:
  * Other contactors are open;
--* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
++* There is an error from the the "Errors 1, 2 ..." bitfileds.
--In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
++In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
--In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
++In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
  (% class="box infomessage" %)
  (((
@@ -341,15 +341,15 @@
  In this section:
--* **Enable **– a flag to enable the main contactor control;
--* **Algorithm** – main contactor control algorithm:
--** **Always on** – contactor is always closed;
--** **Automatic** – contactor closes by internal charge and discharge algorithms;
--** **On demand** – contactor is closed by an external request;
--* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed;
--* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s;
--* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset;
--* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor.
++* Enable – a flag to enable the main contactor control;
++* Algorithm – main contactor control algorithm:
++** Always on – contactor is always closed;
++** Automatic – contactor closes by internal charge and discharge algorithms;
++** On demand – contactor is closed by an external request;
++* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
++* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
++* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
++* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
  === Charging status ===
@@ -359,17 +359,17 @@
  In this section:
--* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A;
--* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A;
--* **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;
--* **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;
--* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal;
--* **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;
--* **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;
--* **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;
--* **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;
--* **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;
--* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal.
++* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
++* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
++* 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;
++* 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;
++* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
++* 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;
++* 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;
++* 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;
++* 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;
++* 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;
++* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
  (% class="box infomessage" %)
  (((
@@ -386,28 +386,24 @@
  In this section:
--* **Current to set the "Discharging current present"** – a current level to generate the "Discharging current present" signal, А;
--* **Current to clear the "Discharging current present"** – a current level to clear the "Discharging current present" signal, А;
--* **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;
--* **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;
--* **Use actual voltage to generate the "Ready to discharge" signal** – a flag to disable voltage correction for "Ready to discharge" signal;
--* **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;
--* **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;
--* **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;
--* **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;
--* **Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set**;
--* **Errors 1, 2 to clear the "Ready to discharge"** – bitfields to choose the errors which will clear the "Ready to discharge" signal.
++* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
++* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
++* 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;
++* 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;
++* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
++* 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;
++* 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;
++* 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;
++* 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;
++* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set;
++* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
  === Precharge ===
--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.
++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.
--BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors.
++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.
--BMS Main 2R device detects errors while pre-charging the load capacity only by monitoring the current.
--
--Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
--
  TBA
  To change the parameters of precharge contactor, select the "Control → Precharge" section:

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