Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50

From 25.1 to 24.1 From 35.8 to 35.7

From version 35.7

edited by Admin
on 2025/03/20 12:59

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To version 25.1

edited by Admin
on 2025/02/19 15:01

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@@ -10,8 +10,6 @@
  [[image:1734023979572-693.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="79" width="600"]]
--In this section:
--
  * Initialization delay – a delay before processing functions after finishing device initialization (initialization includes current sensors calibration and battery modules search), millisecond.
  === Battery modules ===
@@ -165,7 +165,7 @@
  The operation of** closing main charging contactor** is described in the following steps:
--1. The main charging contactor “Charging” is open. When the “Charge request” is received, there are no errors from the "Errors 1, 2 ..." bitfields, and the battery modules are joined, go to step 2.
++1. The main charging contactor “Charging” is open. When the “Charge request” is received, the voltage and current unbalance errors (“Voltage unbalance (CH)”, “Current unbalance (CH)”, “Charging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
 . Closing the main precharging contactor “Precharging” (optional). Go to step 3.
 . Closing the main charging contactor "Charging". Go to step 4.
 . The main charging contactor “Charging” is closed. If the "Charge request" is cleared, the battery modules are disconnected, or errors occur, go to step 1.
@@ -173,12 +173,12 @@
  The command to turn on the main charging contactor "Charging" can be issued either to the upper-level system via the CAN1 (ext) bus, or to the intelligent switch of the device, which serves for direct control of the main charging contactor "Charging".
--In addition to controlling the charging contactors, the charge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to charge the modular battery (“Charge current limit”). The calculation of the charging current of the entire battery is performed based on the number of battery modules operating per charge and the values of the current limits transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
++In addition to controlling the charging contactors, the charge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to charge the modular battery (“Charge current limit”). The calculation of the charging current of the entire battery is performed based on the number of battery modules operating per charge and the values of the current limits transmitted by them.
  The battery charge management is configured in the "Control → Charge" section:
--[[image:1742473171584-412.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="209" width="600"]]
++[[image:1738081025199-282.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="600"]]
  In this section:
@@ -197,7 +197,6 @@
  * Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
  * Disconnect all modules if one is not ready to charge – a flag for disconnecting all modules if any of the modules have the “Ready to charge” signal cleared;
  * Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears;
--* Regula
  * Maximum CONTINUOUS charge current limit – a maximum continuous allowed charging current of all battery, A;
  * Maximum charge current limit – a maximum allowed charging current of all battery, A;
  * Errors 1 (2) to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
@@ -228,7 +228,7 @@
  The operation of **closing main discharging contactor** is described in the following steps:
--1. The main discharging contactor “Discharging” is open. When the “Discharge request” is received, there are no errors from the "Errors 1, 2 ..." bitfields, and the battery modules are joined, go to step 2.
++1. The main discharging contactor “Discharging” is open. When the “Discharge request” is received, the voltage and current unbalance errors (“Voltage unbalance (DCH)”, “Current unbalance (DCH)”, “Discharging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
 . Closing the main precharging contactor (optional). Go to step 3.
 . Closing the main discharging contactor "Discharging". Go to step 4.
 . The main discharging contactor “Discharging” is closed. If the "Discharge request" is cleared, the battery modules are disconnected, or errors occur, go to step 1.
@@ -236,7 +236,7 @@
  The command to turn on the main charging contactor "Discharging" can be issued either to the upper-level system via the CAN1 (ext) bus, or to the intelligent switch of the device, which serves for direct control of the main discharging contactor "Discharging".
--In addition to controlling the discharge contactors, the discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the discharge current and regeneration current of the entire battery is performed based on the number of battery modules operating for discharge and the maximum discharge and charge current values transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
++In addition to controlling the discharge contactors, the discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the discharge current and regeneration current of the entire battery is performed based on the number of battery modules operating for discharge and the maximum discharge and charge current values transmitted by them.
  The battery discharge management is configured in the "Control → Discharge" section:
@@ -275,12 +275,6 @@
  * Dependent - 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 - Charge/Discharge contactor is based on its own controller.
--(% class="box warningmessage" %)
--(((
--**Warning!**
--Charge/Discharge algorithms on BMS Main 3X and on battery modules controllers must **be the same**!
--)))
--
  The charging/discharging controller supports the following modes:
 . Charging/Discharging is always allowed (Always on) – the device ignores voltage and current unbalance of the battery modules and commands to close the discharging contactors of the battery modules and the main discharging contactor.
@@ -301,7 +301,7 @@
  * If "Discharge request" is received, procedure is done as described in [[Discharge>>doc:||anchor="HDischarge"]] section;
  * If both signals received, "Charge request" has a priority.
--In addition, the charge/discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be charged ("Charge current limit") and discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the charge, discharge and regeneration currents of the entire battery is performed based on the number of battery modules operating for charge or discharge and the maximum charge and discharge current values transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
++In addition, the charge/discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be charged ("Charge current limit") and discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the charge, discharge and regeneration currents of the entire battery is performed based on the number of battery modules operating for charge or discharge and the maximum charge and discharge current values transmitted by them:
  * "Charge current limit" and "Regeneration current limit" are calculated only if there is "Charge request";
  * "Discharge current limit" is calculated only if there is "Discharge request".
@@ -313,9 +313,6 @@
  In this section:
  * Enable – a flag to enable battery charge/discharge controller;
--* Mode:
--** Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals;
--** Independent - Charge/Discharge contactor is based on its own controller.
  * Algorithm:
  ** Always on – discharging is always allowed;
  ** Balanced – discharging is allowed provided that all battery modules are balanced;
@@ -356,7 +356,6 @@
  * Balance on charging – a flag to enable module balancing when the battery is charging;
  * Delta voltage – a voltage difference at which the most charged modules are switched off (those modules whose voltage exceeds the minimum voltage among the modules by the “Delta voltage” value are switched off), V;
  * Delta current – a current difference at which the most charged modules are switched off (those modules are switched off, the charge current of which is less than the maximum charge current among the modules by the “Delta current” value), A;
--* Detection time – a time for module to be estimated as unbalanced, millisecond;
  * Waiting time – a time the battery modules are in the disconnected state (after this time, the modules previously disconnected during the balancing process are reconnected to the common bus), second;
  * Balance on discharging – a flag to enable module balancing when the battery is discharging (if flag is enabled operation logic and settings are equal to balancing on charging);
  * Required discharging current – a value of the discharge current at which the device switches off the most discharged battery modules, A.

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