Changes for page 3.4 Protections

Last modified by Admin on 2025/06/11 15:57

From 7.2 to 7.1 From 10.1 to 9.1

From version 9.1

edited by Admin
on 2025/02/28 15:26

Change comment: Загрузить новое вложение 1740756362809-292.png

To version 7.2

edited by Admin
on 2025/02/28 14:59

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@@ -191,10 +191,10 @@
  * Enable – a flag to enable the protection;
  * Delta voltage – maximum allowable voltage difference of battery modules, V;
--* Use the open circuit voltage to detect the error – a flag to enable U,,ocv,, correction;
++* Use the open circuit voltage to detect the error – a flag to enable Uocv correction;
  * Delay before setting the error;
  * Delay before clearing the error;
--* Set the 'Voltage unbalance' error for the modules that are not ready to charge/discharge;
++* Set the 'V'
  * Lock – a flag to block the error until the device is restarted.
  As a result of the operation of the voltage unbalance protection the errors “Voltage unbalance (CH)” and “Voltage unbalance (DCH)” are generated.
@@ -201,13 +201,11 @@
  Conditions for generating the error:
--* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time;
--* module is not ready to charge or discharge;
++* battery module is not included in the largest group of modules whose voltages differ from each other by no more than "Delta voltage" during the "Delay before setting the error" time.
  Conditions for clearing the error:
--* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time;
--* module is ready to charge or discharge.
++* battery module is in the largest group of balanced modules during the "Delay before clearing the error" time.
  === Current unbalance (in “Balancing” state) ===
@@ -215,7 +215,7 @@
  Protection against current unbalance of battery modules is configured in the section "Protections - Current unbalance":
--[[image:Battery management systems.BMS Main 3X.3\. Configuration.3\.4 Protections.WebHome@1734090244843-403.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
++[[image:1734356793451-440.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]
  In this section:
@@ -223,23 +223,19 @@
  * Maximum current – a maximum allowable self-balancing current of battery modules, A;
  * Delay before setting the error;
  * Delay before clearing the error;
--* Check all the time (not only in the ‘Balancing’ state) – a flag to enable voltage check not only in “Balancing” state;
  * Lock – a flag to block the error until the device is restarted.
  As a result of the operation of the current unbalance protection the errors “Current unbalance (CH)” and “Current unbalance (DCH)” are generated. Conditions for generating the error:
--* the current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
++* current of the battery module is greater than the "Maximum current" value during the "Delay before setting the error" time.
  Conditions for clearing the error:
--* the current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
++* current of the battery module is less than the "Maximum current" value during the "Delay before clearing the error" time.
--(% class="box infomessage" %)
--(((
--If there is the “Current unbalance (CH)” or "Current unbalance (DCH)" error, **corresponding battery module opens its charging or discharging contactor**.
--)))
++If there is the error "Current unbalance (CH)" ("Current unbalance (DCH)"), the charging (discharging) contactor of the battery module opens.
--=== Charging current unbalance (in “Charging” state) ===
++=== Charging current unbalance ===
  During battery charging, the currents of the battery modules may vary. The BMS Main X device detects modules whose charging currents are significantly different from the currents of other modules and generates the “Charging current unbalance” errors for them.
@@ -263,10 +263,7 @@
  * battery module is included in the largest group of modules with similar charge currents during the “Delay before clearing the error” time.
--(% class="box infomessage" %)
--(((
--If there is the “Charging current unbalance” error, **corresponding battery module opens its charging contactor**.
--)))
++If there is the “Charging current unbalance” error, the battery module charging contactor opens.
  === Discharging current unbalance ===
@@ -292,19 +292,8 @@
  * battery module is included in the largest group of modules with similar discharge currents during the “Delay before clearing the error” time.
--(% class="box infomessage" %)
--(((
--If there is the “Discharging current unbalance” error, **corresponding battery module opens its discharging contactor**.
--)))
++If there is the “Discharging current unbalance” error, the battery module discharging contactor opens.
--=== High contactor temperature ===
--
--=== WDT reset ===
--
--If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
--
--To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
--
  === Critical error ===
  Parameters for generating the critical error are configured in the "Protections - Critical error" section:

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