Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14

From 23.1 to 22.1 From 31.1 to 30.2

From version 30.2

edited by Admin
on 2024/12/26 16:40

Change comment: There is no comment for this version

To version 23.1

edited by Admin
on 2024/12/24 18:41

Change comment: Uploaded new attachment "1735065666891-686.png", version {1}

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@@ -165,10 +165,7 @@
  * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
--(% class="box infomessage" %)
--(((
  The "Low SOC signal" is indicative and can be output to a discrete output or a power switch.
--)))
  === High charging current (signal) ===
@@ -193,10 +193,7 @@
  * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
--(% class="box infomessage" %)
--(((
  The "High charging current" signal is indicative and can be output to a discrete output or a power switch.
--)))
  === Charge map ===
@@ -206,7 +206,7 @@
  To configure parameters for determining the charge current limit, select the "Control → Charge map" section:
--[[image:1735064362593-844.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
++[[image:1733322637793-171.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="177" width="800"]]
  In this section:
@@ -224,7 +224,7 @@
  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
--**Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct**
++Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct
  === Discharge map ===
@@ -234,7 +234,7 @@
  To configure parameters for determining the discharge current limit, select the "Control → Discharge map" section:
--[[image:1735064399985-526.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="152" width="800"]]
++[[image:1733322637795-310.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
  In this section:
@@ -252,7 +252,7 @@
  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
--**Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt**
++Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt
  === Charge map (PEAK & CONTINUOUS) ===
@@ -260,7 +260,7 @@
  To configure parameters for determining the charge current limit, select the "Control → Charge map (PEAK & CONTINUOUS)" section:
--[[image:1735064434321-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
++[[image:1733322637796-187.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="800"]]
  In this section:
@@ -287,7 +287,7 @@
  To configure parameters for determining the discharge current limit, select the "Control → Discharge map (PEAK & CONTINUOUS)" section:
--[[image:1735064454708-345.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
++[[image:1733322735595-661.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="800"]]
  In this section:
@@ -348,14 +348,9 @@
  In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
--(% class="box infomessage" %)
--(((
--**Note: **when errors occur in the system, the **Main **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
--)))
--
  To change the parameters of the main contactor, select the "Control → Main contactor" section:
--[[image:1735064488658-863.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
++[[image:1733322872744-536.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="105" width="800"]]
  In this section:
@@ -366,21 +366,15 @@
  ** 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.
++* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset.
  === Charging status ===
--To change the parameters of charging process status, select the "Control → Charging status" section:
--
--[[image:1735064935499-941.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]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;
++* Current corresponding to charging – a current level to generate the "Charging current present" signal, A;
++* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
  * 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;
  * 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;
--* 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;
--* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
++* 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.
  (% class="box infomessage" %)
  (((
@@ -391,50 +391,15 @@
  === Discharging status ===
--To change the parameters of charging process status, select the "Control → Discharging status" section:
--
--[[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]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;
++* Current corresponding to discharging – a current level to generate the "Discharging current present" signal, А;
++* Current indicating no discharging – a current level to clear the "Discharging current present" signal, А;
  * 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;
  * 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;
--* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
--=== Precharge () ===
++=== Precharge ===
--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.
++TBA
--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.
--
--To change the parameters of precharge contactor, select the "Control → Precharge" section:
--
--[[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
--
--* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
--* 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;
--* Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
--* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
--* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
--* Relaxation between attempts – a duration between precharge attempts, millisecond;
--* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
--* Precharge resistor resistance, Ohm;
--* Maximum allowable power dissipated in the resistor, W;
--* Delay before setting the "Precharge error" when checking power, millisecond;
--* Delay before clearing the "Precharge error", second;
--* Lock the "Precharge error" – a flag to block the error until the device is restarted.
--
--“Precharge error” generation conditions:
--
--* the precharge current does not decrease after "Number of precharging attempts";
--* voltages before and after contactors are not equal after "Number of precharging attempts";
--* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
--
--(% class="box warningmessage" %)
--(((
--Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
--)))
--
  === Charge ===
  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.
@@ -485,7 +485,7 @@
  (% class="box infomessage" %)
  (((
--**Note: **when errors occur in the system, the **Charge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
++Note: when errors occur in the system, the **charging **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
  )))
  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
@@ -556,7 +556,7 @@
  (% class="box infomessage" %)
  (((
--**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).
++**Note:** in case of errors in the system operation, **discharging **contactor opens either immediately or with a delay T,,off,, (depends on the settings described below).
  )))
  The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
@@ -583,38 +583,15 @@
  === Charge/Discharge ===
--The BMS Main 3 device can control the charge/discharge contactor, which combines algorithms of charging and discharging contactor.
++The BMS Main 3 device can control the charging/discharging contactor, which combines algorithms of charging and discharging contactor. It behaves as a charging contactor when “Charge request” or “Charger connected” is set, otherwise – as a discharging contactor.
--Charge/Discharge contactor has three algorithms of operation:
--
--* Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
--* Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
--* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
--
--(% class="box infomessage" %)
--(((
--**Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
--)))
--
  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
--[[image:1735122153011-166.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="800"]]
++[[image:1733322827919-875.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="85" width="800"]]
  In this section:
  * Enable – a flag to enable the charge/discharge controller.
--* Algorithm:
--** Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
--** Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
--** Independent (on Charge request or Discharge request);
--* Delay before starting charging or discharging, millisecond;
--* Delay before stopping charging or discharging, millisecond;
--* Control the precharging contactor – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
--* Emulate the "Charging" and "Discharging" signals – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
--* Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
--* Errors 1, 2 which affect the contactor only if battery CHARGING is detected – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
--* Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
--* Switch off the charging/discharging contactor on errors without delay – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
  === Discharge (AUX) ===
@@ -628,14 +628,9 @@
  * the battery voltage is out of range;
  * the battery system errors are detected.
--(% class="box infomessage" %)
--(((
--**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).
--)))
--
  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
--[[image:1735066190419-838.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
++[[image:1733322827920-878.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
  In this section:
@@ -646,10 +646,7 @@
  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
  * Minimum voltage – minimum battery voltage, V;
  * Maximum voltage – maximum battery voltage, V;
--* 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;
--* Minimum battery voltage, V;
--* Maximum battery voltage, V;
--* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor;
++* 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.
  === Cell balancing ===
@@ -677,7 +677,7 @@
  To change the cell balancing parameters, select the "Control → Cell balancing" section:
--[[image:1735065702806-422.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
++[[image:1733322883460-118.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
  In this section:
@@ -687,16 +687,11 @@
  ** 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);
  ** Balance always – balancing is always performed regardless the battery state;
--[[image:1735065666891-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="132" width="800"]]
++[[image:1733322883462-975.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="74" width="600"]]
--* Balancing condition:
--** Automatic – balancing will be performed automatically if needed conditions are met;
--** 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;
  * Minimum cell voltage to start balancing, V;
  * Voltage deviation to start balancing;
  * Voltage deviation to stop balancing;
--* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
--* Maximum allowable temperature of BMS Logic devices, ºC;
  * Command to discharge all cells – a flag to force the balancing of all cells.
  === Series balancing ===
@@ -819,10 +819,7 @@
  The BMS Main 3 implements a self-diagnostics of high-voltage measurement lines. If measurement line breaks or high-voltage polarity is wrong, “High voltage fault” is generated.
--(% class="box warningmessage" %)
--(((
--If there is the “High voltage fault”, **the “Critical error” is generated.**
--)))
++**If there is the “High voltage fault”, the “Critical error” is generated and all contactors open.**
  === Cell analysis ===

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