Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25

From 4.18 to 4.17 From 7.1 to 6.2

From version 6.2

edited by Admin
on 2024/11/21 18:33

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To version 4.18

edited by Admin
on 2024/11/21 18:23

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@@ -70,7 +70,7 @@
  To change the battery protection parameters from high voltage on the cells, select the menu "Protections → Overvoltage protection":
--[[Overvoltage protection settings>>image:1732212357972-295.png||data-xwiki-image-style-alignment="center" height="218" width="338"]]
++[[image:1732212357972-295.png]]
  In this section:
@@ -103,7 +103,6 @@
  To change the battery protection parameters from low temperature, select the menu "Protections → Low temperature protection":
--[[Low temperature protection settings>>image:1732213953083-955.png||data-xwiki-image-style-alignment="center" height="237" width="338"]]
  In this section:
@@ -138,7 +138,6 @@
  To change the battery protection parameters from high temperature, select the menu "Protections → High temperature protection":
--[[image:1732213990755-759.png]]
  In this section:
@@ -499,371 +499,32 @@
  If there are no temperature sensors connected to a BMS Logic board or any temperature sensor is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
--(% class="box warningmessage" %)
--(((
  **If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the “Critical error” is generated and all relays open.**
--)))
  == 3.6.18 Logic high temperature protection ==
--To change the overheating protection parameters of BMS Logic boards, select the menu "Protections → Logic high temperature protection":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Maximum Logic temperature, °C;
--* Tolerant Logic temperature, °C;
--* Lock the error until the device is reset.
--
--As a result of the operation of the protection from high temperatures of BMS Logic boards, the "Logic high temperature" is generated.
--
--Error generation conditions:
--
--* a BMS Logic board temperature is higher than the “Maximum Logic temperature” value.
--
--Conditions for removing the error:
--
--* a BMS Logic board temperature is less than the “Tolerant Logic temperature” value.
--
--(% class="box infomessage" %)
--(((
--**Cell balancing is prohibited for overheated boards.**
--)))
--
  == 3.6.19 Logic offline protection ==
--To change the protection parameters from loss of communication with BMS Logic boards, select the menu "Protections → Logic offline protection":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Lock the error until the device is reset.
--
--As a result of the protection from loss of communication with BMS Logic boards, the "Logic offline" error is generated.
--
--Error generation conditions:
--
--* at least one of the connected BMS Logic boards does not respond to the commands of the BMS Main 2.x board for 10 seconds.
--
--Conditions for removing the error:
--
--* all connected BMS Logic boards respond to the commands of the BMS Main 2.x board.
--
--(% class="box warningmessage" %)
--(((
--**If there is the "Logic offline" error, the “Critical error” is generated and all relays open.**
--)))
--
  == 3.6.20 Cell count protection ==
--To change the protection parameters from the mismatch of the number of cells to the set value, select the menu "Protections → Cell count protection":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Cell count – a number of cells connected to the BMS;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock the error until the device is reset.
--
--As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
--
--Error generation conditions:
--
--* the number of cells connected to the BMS is **not equal** to the “Cell count” value during the “Delay before setting the error” time.
--
--Conditions for removing the error:
--
--* the number of cells connected to the BMS is **equal** to the “Cell count” value during the “Delay before clearing the error” time.
--
--(% class="box warningmessage" %)
--(((
--**If there is the "Cell count error", the “Critical error” is generated and all relays open.**
--)))
--
  == 3.6.21 Logic count protection ==
--To change the protection parameters from the mismatch of the number of BMS Logic boards to the set value, select the menu "Protections → Logic count protection":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Logic count – a number of BMS Logic boards connected to the BMS Main 2.x;
--* Fast scan – a flag to scan BMS Logic boards fast (boards with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
--* Lock the error until the device is reset.
--
--As a result of the operation of the protection from the mismatch of the number of BMS Logic boards, the "Logic count error" is generated.
--
--Error generation conditions:
--
--* the number of BMS Logic boards connected to the BMS Main 2.x is **not equal** to the “Logic count” value.
--
--Conditions for removing the error:
--
--* the number of BMS Logic boards connected to the BMS Main is **equal** to the “Logic count” value.
--
--(% class="box warningmessage" %)
--(((
--**If there is the "Logic count error", the “Critical error” is generated and all relays open.**
--)))
--
  == 3.6.22 WDT protection ==
--If the BMS firmware hangs, the watchdog timer resets the board. The BMS can detect that the board was reset and generates the “WDT reset” error.
--
--To change the parameters of the watchdog protection, select the menu "Protections → WDT protection":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Delay before clearing the error, second;
--* Lock the error until the device is reset.
--
--Conditions for removing the error:
--
--* the “Delay before clearing the error” time has passed from the board startup.
--
--(% class="box warningmessage" %)
--(((
--**If there is the "WDT reset" error, the “Critical error” is generated and all relays open.**
--)))
--
  == 3.6.23 Insulation monitoring ==
--BMS Main 2.x can detect a signal from an external insulation monitoring device (such as Bender IR155) to monitor the insulation quality.
--
--To change the insulation monitoring parameters, select the menu "Protections → Insulation monitoring":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock the error until the device is reset.
--
--Error is set if corresponding discrete input is set up and it received logical zero.
--
  == 3.6.24 Critical error parameters ==
--To change the critical error parameters, select the menu "Protections → Critical error parameters":
--
--
--In this section:
--
--* Enable – a flag to enable the protection;
--* Delay before setting the error, second;
--* Delay before clearing the error, second;
--* Lock the error until the device is reset.
--
--The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
--
--* “Battery cover error”;
--* “Water”;
--* “Logic offline”;
--* “Cell count error”;
--* “Logic count error”;
--* “ADC error”;
--* “No temp. sensors”;
--* “Temp. sensor is shorted”;
--* “Current sensor error”;
--* “Shunt offline”;
--* “Shunt error”;
--* “Settings error”;
--* “WDT reset”.
--
--The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
--
--(% class="box warningmessage" %)
--(((
--**If there is the “Critical error”, all relays open.**
--)))
--
  == 3.6.25 General error parameters ==
  == 3.6.26 Low SOC signal ==
--To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
--
--
--In this section:
--
--* Enable – a flag to enable signal generation;
--* Minimum SOC, %;
--* Tolerant SOC, %;
--* Delay before setting the signal, second;
--* Delay before clearing the signal, second;
--* Lock the signal until the device is reset.
--
--Signal generation conditions:
--
--* the battery SOC is less than the “Minimum SOC” value during the “Delay before setting the signal” time.
--
--Conditions for clearing the signal:
--
--* the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
--
--The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
--
  == 3.6.27 High charging current signal ==
--To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
--
--
--In this section:
--
--* Enable – a flag to enable signal generation;
--* Maximum charging current, А;
--* Tolerant charging current, А;
--* Delay before setting the signal, second;
--* Delay before clearing the signal, second;
--* Lock the signal until the device is reset.
--
--Signal generation conditions:
--
--* the measured current is greater than the “Maximum charging current” value during the “Delay before setting the signal” time.
--
--Conditions for clearing the signal:
--
--* the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
--
--The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
--
  == 3.6.28 Heater control ==
--To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
--
--
--In this section:
--
--* Enable – a flag to enable heater control;
--* Minimum cell temperature, °C;
--* Tolerant cell temperature, °C;
--* Delay before setting the signal, second;
--* Delay before clearing the signal, second;
--* Lock the signal until the device is reset;
--* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
--
--As a result of operating the heating algorithm, the “Heater” signal is generated.
--
--Conditions of signal generation:
--
--* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before setting the signal” time.
--
--Conditions for clearing the signal:
--
--* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
--
--(% class="box infomessage" %)
--(((
--If there is the "Heater" signal, the heater relay closes and/or a signal is output to the corresponded digital output.
--)))
--
  == 3.6.29 Heater (AUX) control ==
--To change the parameters of the auxiliary heater control algorithm, select the menu "Protections → Heater (AUX) control":
--
--
--In this section:
--
--* Enable – a flag to enable heater control;
--* Minimum cell temperature, °C;
--* Tolerant cell temperature, °C;
--* Delay before setting the signal, second;
--* Delay before clearing the signal, second;
--* Lock the signal until the device is reset;
--* Switch off the heater relay on errors (Undervoltage, Overcurrent, High temperature, Short circuit or Critical error).
--
--As a result of operating the heating algorithm, the “Heater (AUX)” signal is generated.
--
--Conditions of signal generation:
--
--* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before setting the signal” time.
--
--Conditions for clearing the signal:
--
--* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
--
--(% class="box infomessage" %)
--(((
--If there is the "Heater (AUX)" signal, the auxiliary heater relay closes and/or a signal is output to the corresponded digital output.
--)))
--
  == 3.6.30 Cooler control ==
--To change the parameters of the cooler control algorithm, select the menu "Protections → Cooler control":
--
--
--In this section:
--
--* Enable – a flag to enable cooler control;
--* Maximum cell temperature, °C;
--* Tolerant cell temperature, °C;
--* Delay before setting the signal, second;
--* Delay before clearing the signal, second;
--* Lock the signal until the device is reset;
--* Switch off the cooler relay on errors (Undervoltage, Overcurrent, Low temperature, Short circuit or Critical error).
--
--As a result of operating the cooling algorithm, the "Cooler" signal is generated.
--
--Conditions of signal generation:
--
--* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before setting the signal” time.
--
--Conditions for clearing the signal:
--
--* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before clearing the signal” time.
--
--(% class="box infomessage" %)
--(((
--If there is the "Cooler" signal, the cooler relay closes and/or a signal is output to the corresponded digital output.
--)))
--
  == 3.6.31 Fault simulation ==
--
--The board provides the ability to manually generate error flags bypassing the protection algorithms. This functionality is intended for commissioning.
--
--To simulate battery and BMS errors, select the menu "Protections → Fault simulation":
--
--
--In this section:
--
--* Overcurrent;
--* Undervoltage;
--* Overvoltage;
--* Low CH temperature;
--* Low DCH temperature;
--* High CH temperature;
--* High DCH temperature;
--* Battery cover error;
--* High humidity;
--* Water;
--* Current sensor error;
--* Short circuit;
--* Contactor high temperature;
--* Unallowable charging;
--* Stuck contactor;
--* CH contactor feedback error;
--* DCH contactor feedback error;
--* PCH contactor feedback error;
--* CH/DCH contactor feedback error;
--* Main contactor feedback error;
--* CH contactor cycles error;
--* DCH contactor cycles error;
--* Logic high temperature;
--* Logic offline;
--* Cell count error;
--* Logic count error;
--* Insulation error;
--* Critical error;
--* Low SOC;
--* High charging current;
--* Heater;
--* Cooler.
--
--To simulate errors, set the necessary flags and click on the "Save" button.

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Changes for page 3.6 Battery protection

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