Block Diagram Of Battery Management System (BMS)

Hello guys, welcome back to m blog. In this article, I will discuss the block diagram of the battery management system (BMS). If you require an article on some other topics then comment us below in the comment box. You can also catch me @ Instagram – Chetan Shidling.

Also, read – Battery management interview questions.

Block Diagram Of Battery Management System

Block Diagram Of Battery Management System

The approach of lithium-ion batteries has brought a significant shift in the area of the large-format battery system. Earlier limited to heavy and bulky lead-acid storage batteries, large-format batteries were used only where absolutely necessary as a means of energy storage.

The battery management system is used for lithium ions batteries to save the battery from four things such as overcharge, over-discharge, balance charging, and short circuit protection. For other batteries such as lead-acid battery and nickel-metal hydride battery, the battery management system is not required because those batteries can handle the overcharge, over-discharge, balance charging, and short circuit protection.

A battery management system (BMS) is an electronic system that manages a rechargeable battery such as by protecting the battery from operating outside its safe operating area, monitoring its state, calculating secondary data, reporting that data, controlling its environment.

A BMS monitors the state of the battery such as:

01. Voltage – Total voltage, voltages of individual cells, minimum and maximum cell voltage, or voltage of periodic taps.

02. Temperature – Average temperature, coolant intake temperature, coolant output temperature, or temperature of individual cells.

03. State of charge – Indicate the charge level of the battery.

04. State of health – Shows the remaining capacity of the battery as % of the original capacity.

05. State of safety – the battery is operating under safe mode or not.

06. State of power

The CAN network is used to make communication between battery charger, dc-dc converter, air conditioner, etc.

I hope this article may help you all a lot. Thank you for reading.

Chetan Shidling

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