What is the Battery Management System?
Jul 17, 2019
The Battery management system is about monitoring a battery during its functioning and to safeguard it from damages under various working conditions. The battery is not only used in automobiles, but also UPS, off-grid power systems, and alternative power systems.
The battery is a very important component in any power system and it saves the entire system during power shut down or failure. Battery management is a part of a larger system comprising of energy management, communication network, and any safety system.
Main objectives of Battery management:-
The three main objectives of battery management are:
- Cell protection
- Battery life
- Functional use for an application
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A Battery management system is very important for Lithium-ion cells. These cells will fail if excessively charged or if fully discharged. So, lithium-ion cells need an operational range to protect it from damage.
Similarly, a BMS is very important for any system to protect it from damage that might occur because of the oversupply of power. Battery damage will not only cause power outages and inconvenience but will also cost money to replace it.
A battery should be protected from wrong charging methods. Many batteries are damaged because of a faulty charging process. Excessive charging is also very bad for battery life. Battery charging should not be frequently done as it would reduce cell life.
A battery is used in various applications, and each application requires different battery conditions and voltages and at such times monitoring of each cell becomes crucial. BMS helps in such times for optimal controlling of the battery.
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, we fathom that battery output is crucial for the proper functioning of the entire power system. The battery should be continuously monitored for its output fluctuation. Excess fluctuation in the battery is a warning for the battery condition.
All the cells in a battery should equally charge and discharge uniformly. The weakness of a single cell will spread to the nearby cells and weaken the entire battery. Cell balancing will ensure equal charging of all the cells and prolong the battery life.
Application of Battery management system:
An automatic control system provides a link between the charger and the battery. The battery's specification is communicated to the charger and accordingly, the charger provides the necessary charging process. Overcharging or undercharging or cell condition is completely sent to the charger and depending on the communication the battery is charged.
Sensors and memory chips are fitted in the battery with all its specifications from manufacturing date to voltage and current limits will be progra
mmed to the chip. The chip will monitor and record the charging period, internal conditions of the battery and various other necessary parameters will be informed to the charger and required action will be taken as per the data. Being the finest Battery pack manufacturers in India
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Batteries fitted with such sensors and memory chips are called smart batteries. It does not require any external monitoring and the condition of the battery for every specified time cycle will be sent to the charger and an output will be recorded for the prescribed charging levels.
Advantages of using an efficient battery management system?
A good battery management system increases the efficiency of the battery. It reduces the maintenance cost of the regular replacement of a battery. Battery replacement is a costly affair that can be avoided when a good BMS is implemented.
The normal monitoring of batteries using the staff is not accurate and labor-based. Normal Laborers cannot be relied upon for monitoring such quality and costly batteries. Physical monitoring requires continuous data collection from the battery unit irrespective of the prevailing conditions.
Such things might not be possible in the long run when this type of monotonous work might be skipped by the worker for reasons best known to them. This mistake might prove costly for a person or a company if the total battery system fails because of poor maintenance of the battery.
Such failures can be avoided when an efficient battery management system is implemented by the company. Physical checking is very risky during power system maintenance. So, each company should implement the battery management system to avoid power mishaps and power failures during an important company meeting or personal work.
Automatic monitoring of a battery unit is very important to avoid mistakes which might prove a very costly affair to the company or an individual.
BMS is very essential for every company to give good production and reduce maintenance results.