Changes for page 3.6 Battery protection

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

From 33.5 to 33.6 From 38.1 to 39.1

From version 33.6

edited by Admin
on 2024/11/21 19:01

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To version 38.1

edited by Admin
on 2024/12/11 10:34

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@@ -1,1 +1,1 @@
--drafts.bms-main-2-1.configuration.WebHome
++drafts.BMS Main 2\.1.3\. Configuration.WebHome

Content

@@ -1,10 +1,16 @@
++(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
++= Configuration =
++
++(% data-numbered-headings-start="6" style="--numbered-headings-start: 5;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
++== Battery protection ==
++
  The BMS Main 2.x board continuously monitors the state of the cells, BMS Logic boards, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
--== 3.6.1 Overcurrent protection ==
++=== Overcurrent protection ===
  To change the current protection of the battery, select the menu "Protections → Overcurrent protection":
--[[Overcurrent protection settings>>image:1732211959984-118.png||data-xwiki-image-style-alignment="center" height="266" width="386"]]
++[[image:1732211959984-118.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="266" width="386"]]
   In this section:
@@ -34,13 +34,13 @@
  If there is the "Overcurrent" error, the **charging **and **discharging **relay open.
  )))
--==  3.6.2 Undervoltage protection ==
++=== Undervoltage protection ===
  The board implements battery protection from too low or too high voltage on the cells.
  To change the battery protection parameters from low voltage on the cells, select the menu "Protections → Undervoltage protection":
--[[Undervoltage protection settings>>image:1732212212350-294.png||data-xwiki-image-style-alignment="center" height="207" width="359"]]
++[[image:1732212212350-294.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="207" width="359"]]
   In this section:
@@ -66,11 +66,11 @@
  If there is the "Undervoltage" error, the **discharging **relay opens.
  )))
--3.6.3 Overvoltage protection
++=== Overvoltage protection ===
  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||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="218" width="338"]]
  In this section:
@@ -97,13 +97,13 @@
  If there is the "Overvoltage" error, the **charging **relay and **discharging **relay opens (if the “Switch off the discharging relay on error” flag is set).
  )))
--== 3.6.4 Low temperature protection ==
++=== Low temperature protection ===
  The board implements battery protection from too low temperature.
  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"]]
++[[image:1732213953083-955.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="237" width="338"]]
  In this section:
@@ -132,13 +132,13 @@
  If there is the "Low DCH temperature" error, the **discharging **relay opens.
  )))
--== 3.6.5 High temperature protection ==
++=== High temperature protection ===
  The board implements battery protection from too high temperature.
  To change the battery protection parameters from high temperature, select the menu "Protections → High temperature protection":
--[[High temperature protection settings>>image:1732213990755-759.png||data-xwiki-image-style-alignment="center" height="258" width="370"]]
++[[image:1732213990755-759.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="258" width="370"]]
  In this section:
@@ -167,11 +167,11 @@
  If there is the "High DCH temperature" error, the **discharging **relay opens.
  )))
--== 3.6.6 Battery cover protection ==
++=== Battery cover protection ===
  To change the protection parameters from opening the battery cover, select the menu "Protections → Battery cover protection":
--[[Battery cover protection settings>>image:1732214030014-281.png||data-xwiki-image-style-alignment="center" height="155" width="334"]]
++[[image:1732214030014-281.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="155" width="334"]]
  In this section:
@@ -195,13 +195,13 @@
  If there is the "Battery cover error", the **“Critical error” **is generated and **all relays open.**
  )))
--== 3.6.7 High humidity protection ==
++=== High humidity protection ===
  The board can protect the battery from high humidity and water.
  To change the protection parameters of the battery from high humidity, select the menu "Protections → High humidity protection":
--[[High humidity protection settings>>image:1732214076060-358.png||data-xwiki-image-style-alignment="center" height="185" width="321"]]
++[[image:1732214076060-358.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="185" width="321"]]
  In this section:
@@ -227,11 +227,11 @@
  If there is the "High humidity" error, no action is taken. The error is indicative.
  )))
--== 3.6.8  Water protection ==
++=== Water protection ===
  To change the protection parameters of the battery from water, select the menu "Protections → Water protection":
--[[Water protection settings>>image:1732214111990-184.png||data-xwiki-image-style-alignment="center" height="199" width="340"]]
++[[image:1732214111990-184.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="199" width="340"]]
  In this section:
@@ -257,13 +257,13 @@
  If there is the “Water” error,** **the **“Critical error”** is generated and **all relays open.**
  )))
--== 3.6.9 Current sensor error ==
++=== Current sensor error ===
  The board is implemented to check the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
  To change the test parameters of the current sensor connection circuits, select the menu "Protections → Current sensor error":
--[[Current sensor error settings>>image:1732214146724-132.png||data-xwiki-image-style-alignment="center" height="438" width="365"]]
++[[image:1732214146724-132.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="438" width="365"]]
  In this section:
@@ -291,13 +291,13 @@
  If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
  )))
--== 3.6.10 Short circuit protection ==
++=== Short circuit protection ===
  The BMS implements a protection of power circuits (contactors, power cables) against overheating caused by the flow of high current for a long time.
  To change the protection parameters from short circuit, select the menu "Protections → Short circuit protection":
--[[Short circuit protection settings>>image:1732214207026-822.png||data-xwiki-image-style-alignment="center" height="528" width="371"]]
++[[image:1732214207026-822.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="528" width="371"]]
  In this section:
@@ -325,13 +325,13 @@
  If there is the "Short circuit" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
  )))
--== 3.6.11 Contactor high temperature protection ==
++=== Contactor high temperature protection ===
  The BMS protects power contactors from overheating. To measure the temperature of the contactor, a thermistor is used, connected to the P13 connector of the board. Configuring of the analog input for temperature measurement is described in section Input signals.
  To change the overheating protection parameters of power contactors, select the menu "Protections → Contactor high temperature protection":
--[[Contactor high temperature protection settings>>image:1732214237851-405.png||data-xwiki-image-style-alignment="center" height="234" width="336"]]
++[[image:1732214237851-405.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="234" width="336"]]
  In this section:
@@ -359,13 +359,13 @@
  If there is the "Contactor high temperature" error, the **charging **relay opens (the “Switch off the charging relay on error” flag is set) and the **discharging **relay opens (the “Switch off the discharging relay on error flag” is set).
  )))
--== 3.6.12 Unallowable charging protection ==
++=== Unallowable charging protection ===
  The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging relay to prevent unallowable battery operation.
  To change the parameters of the unallowable charging protection, select the menu "Protections → Unallowable charging protection":
--[[Unallowable charging protection settings>>image:1732214272022-547.png||data-xwiki-image-style-alignment="center" height="145" width="312"]]
++[[image:1732214272022-547.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="312"]]
  In this section:
@@ -389,13 +389,13 @@
  If there is the "Unallowable charging" error, the **discharging **relay opens.
  )))
--== 3.6.13 Stuck contactor protection ==
++=== Stuck contactor protection ===
  The BMS Main 2.x protects contactors against sticking.
  To change the protection parameters against sticking, select the menu "Protections → Stuck contactor protection":
--[[Stuck contactor protection settings>>image:1732214367207-318.png||data-xwiki-image-style-alignment="center" height="152" width="331"]]
++[[image:1732214367207-318.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="152" width="331"]]
  In this section:
@@ -410,14 +410,18 @@
  * charging and discharging contactors are open, but the “Charging current present” or “Discharging current present” signal is set.
++(% class="box warningmessage" %)
++(((
++If there is the “Stuck contactor error”, the **“Critical error” **is generated and **all relays open.**
++)))
--== 3.6.14 Contactor feedback check ==
++=== Contactor feedback check ===
--The BMS Main 2.x can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, one of the discrete input must be set as corresponding contactor feedback signal (see section Input and output signals).
++The BMS Main 2.x can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, one of the discrete input must be set as corresponding contactor feedback signal (see [[3.3 Input and output signals>>path:/bin/view/drafts/BMS%20Main%202.1/3.%20Configuration/3.3%20Input%20and%20output%20signals/]]).
  To change the contactor feedback check parameters, select the menu "Protections → Contactor feedback check":
--[[Contactor feedback check settings>>image:1732214400721-274.png||data-xwiki-image-style-alignment="center" height="150" width="323"]]
++[[image:1732214400721-274.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="150" width="323"]]
  In this section:
@@ -430,14 +430,18 @@
  * discrete output of charging, precharge, discharging, charging/discharging or main contactor not matches its feedback value.
++(% class="box warningmessage" %)
++(((
++If there is the contactor feedback error, the **“Critical error” **is generated and **all relays open.**
++)))
--== 3.6.15 Charging contactor cycles protection ==
++=== Charging contactor cycles protection ===
  The BMS protects the charging contactor against frequent switching.
  To change the protection parameters against high frequency switching of the charging contactor, select the menu "Protections → Charging contactor cycles protection":
--[[Charging contactor cycles protection settings>>image:1732214432750-543.png||data-xwiki-image-style-alignment="center" height="260" width="336"]]
++[[image:1732214432750-543.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="260" width="336"]]
  In this section:
@@ -464,13 +464,13 @@
  If there is the "CH contactor cycles error" error, the **charging **relay opens.
  )))
--== 3.6.16 Discharging contactor cycles protection ==
++=== Discharging contactor cycles protection ===
  The BMS protects the discharging contactor against frequent switching.
  To change the protection parameters against high frequency switching of the discharging contactor, select the menu "Protections → Discharging contactor cycles protection":
--[[Discharging contactor cycles protection settings>>image:1732214468462-541.png||data-xwiki-image-style-alignment="center" height="269" width="346"]]
++[[image:1732214468462-541.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="269" width="346"]]
  In this section:
@@ -497,13 +497,13 @@
  If there is the "DCH contactor cycles error" error, the **discharging **relay opens.
  )))
--== 3.6.17 Temperature sensor error ==
++=== Temperature sensor error ===
  The board is implemented to check the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
  To change the protection parameters of the temperature sensors circuits, select the menu "Protections → Temperature sensor error":
--[[Temperature sensor error settings>>image:1732214501360-654.png||data-xwiki-image-style-alignment="center" height="154" width="334"]]
++[[image:1732214501360-654.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="154" width="334"]]
  In this section:
@@ -519,11 +519,11 @@
  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 ==
++=== Logic high temperature protection ===
  To change the overheating protection parameters of BMS Logic boards, select the menu "Protections → Logic high temperature protection":
--[[Logic high temperature protection settings>>image:1732214545352-111.png||data-xwiki-image-style-alignment="center" height="156" width="309"]]
++[[image:1732214545352-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="156" width="309"]]
  In this section:
@@ -547,11 +547,11 @@
  Cell balancing is prohibited for overheated boards.
  )))
--== 3.6.19 Logic offline protection ==
++=== Logic offline protection ===
  To change the protection parameters from loss of communication with BMS Logic boards, select the menu "Protections → Logic offline protection":
--[[Logic offline protection settings>>image:1732214579147-515.png||data-xwiki-image-style-alignment="center" height="107" width="204"]]
++[[image:1732214579147-515.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="107" width="204"]]
  In this section:
@@ -573,11 +573,11 @@
  If there is the "Logic offline" error, the **“Critical error”** is generated and **all relays open.**
  )))
--== 3.6.20 Cell count protection ==
++=== 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":
--[[Cell count protection settings>>image:1732214641606-453.png||data-xwiki-image-style-alignment="center" height="178" width="341"]]
++[[image:1732214641606-453.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="341"]]
  In this section:
@@ -602,11 +602,11 @@
  If there is the "Cell count error",** **the **“Critical error”** is generated and **all relays open.**
  )))
--== 3.6.21 Logic count protection ==
++=== 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":
--[[Logic count protection settings>>image:1732214675358-202.png||data-xwiki-image-style-alignment="center" height="163" width="230"]]
++[[image:1732214675358-202.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="230"]]
  In this section:
@@ -630,13 +630,13 @@
  If there is the "Logic count error", the **“Critical error” **is generated and **all relays open.**
  )))
--== 3.6.22 WDT protection ==
++=== 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":
--[[WDT protection settings>>image:1732214703914-144.png||data-xwiki-image-style-alignment="center" height="127" width="323"]]
++[[image:1732214703914-144.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="323"]]
  In this section:
@@ -650,16 +650,16 @@
  (% class="box warningmessage" %)
  (((
--If there is the "WDT reset" error, the **“Critical error”** is generated and** all relays open.**
++If there is the "WDT reset" error, the **“Critical error”** is generated and** all relays open.**
  )))
--== 3.6.23 Insulation monitoring ==
++=== 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":
--[[Insulation monitoring settings>>image:1732214731490-961.png||data-xwiki-image-style-alignment="center" height="162" width="315"]]
++[[image:1732214731490-961.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="315"]]
  In this section:
@@ -670,11 +670,16 @@
  Error is set if corresponding discrete input is set up and it received logical zero.
--== 3.6.24 Critical error parameters ==
++(% class="box warningmessage" %)
++(((
++If there is the "Insulation monitoring" error, the **“Critical error”** is generated and** all relays open.**
++)))
++=== Critical error parameters ===
++
  To change the critical error parameters, select the menu "Protections → Critical error parameters":
--[[Critical error parameters settings>>image:1732214761141-983.png||data-xwiki-image-style-alignment="center" height="158" width="348"]]
++[[image:1732214761141-983.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="158" width="348"]]
  In this section:
@@ -694,10 +694,13 @@
  * “No temp. sensors”;
  * “Temp. sensor is shorted”;
  * “Current sensor error”;
++* "Stuck contactor";
++* "Contactor feedback";
  * “Shunt offline”;
  * “Shunt error”;
  * “Settings error”;
--* “WDT reset”.
++* “WDT reset”
++* "Insulation monitoring".
  The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
@@ -706,11 +706,11 @@
  **If there is the “Critical error”, all relays open.**
  )))
--== 3.6.25 General error parameters ==
++=== General error parameters ===
  To change the general error parameters, select the menu "Protections → General error parameters":
--[[General error parameters settings>>image:1732214987517-111.png||data-xwiki-image-style-alignment="center" height="535" width="349"]]
++[[image:1732214987517-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="535" width="349"]]
  In this section:
@@ -729,11 +729,11 @@
  The "General error" is //indicative //and can be linked to any discrete output of the board.
  )))
--== 3.6.26 Low SOC signal ==
++=== Low SOC signal ===
  To change the parameters of the generation a signal about low battery level, select the menu "Protections → Low SOC signal":
--[[Low SOC signal settings>>image:1732215174961-645.png||data-xwiki-image-style-alignment="center" height="186" width="325"]]
++[[image:1732215174961-645.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="186" width="325"]]
  In this section:
@@ -757,11 +757,11 @@
  The "Low SOC signal" is //indicative //and can be linked to any discrete output of the board.
  )))
--== 3.6.27 High charging current signal ==
++=== High charging current signal ===
  To change the parameters of the generation high-current signal, select the menu "Protections → High charging current signal":
--[[High charging current signal settings>>image:1732215211714-445.png||data-xwiki-image-style-alignment="center" height="181" width="322"]]
++[[image:1732215211714-445.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="181" width="322"]]
  In this section:
@@ -785,11 +785,11 @@
  The "High charging current" signal is //indicative //and can be linked to any discrete output of the board.
  )))
--== 3.6.28 Heater control ==
++=== Heater control ===
  To change the parameters of the heater control algorithm, select the menu "Protections → Heater control":
--[[Heater control settings>>image:1732215252650-791.png||data-xwiki-image-style-alignment="center" height="233" width="370"]]
++[[image:1732215252650-791.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="233" width="370"]]
  In this section:
@@ -816,11 +816,11 @@
  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 ==
++=== Heater (AUX) control ===
  To change the parameters of the auxiliary heater control algorithm, select the menu "Protections → Heater (AUX) control":
--[[Heater (AUX) control settings>>image:1732215282135-420.png||data-xwiki-image-style-alignment="center" height="228" width="361"]]
++[[image:1732215282135-420.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="228" width="361"]]
  In this section:
@@ -847,11 +847,11 @@
  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 ==
++=== Cooler control ===
  To change the parameters of the cooler control algorithm, select the menu "Protections → Cooler control":
--[[Cooler control settings>>image:1732215313977-499.png||data-xwiki-image-style-alignment="center" height="219" width="348"]]
++[[image:1732215313977-499.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="348"]]
  In this section:
@@ -875,50 +875,15 @@
  (% class="box infomessage" %)
  (((
--If there is the "Cooler" signal, the cooler relay closes and/or a signal is output to the corresponded digital output.
++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 ==
++=== 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":
--[[Fault simulation settings>>image:1732215359330-850.png||data-xwiki-image-style-alignment="center" height="732" width="204"]]
++[[image:1732215359330-850.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="732" width="204"]]
--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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