International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 09 Issue: 05 | May 2022
p-ISSN: 2395-0072
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Electrical vehicle battery monitoring system with V2H Sanjana K1, Ram Prasad G P2, Sukesh Ram P3, Malarvizhi K4 1-3Department
of Electrical and Electronics Engineering, Kumaraguru College of Technology [autonomous], Coimbatore, India 4Head of Department, Department of Electrical and Electronics Engineering, Kumaraguru College of Technology [autonomous], Coimbatore, India. ---------------------------------------------------------------------***--------------------------------------------------------------------battery management system to keep the battery cells in an Abstract - Batteries are appreciably used to strength operating condition while providing the power efficiently.
electric powered cars. This paper “EV battery monitoring system with V2H” is focused mainly on battery monitoring in our daily life. The main function of battery monitoring system is to ensure that the battery is protected and any operation out of its safety limit is prevented. It monitors the battery’s state of charge (SOC) along with the state of health (SOH). Battery monitoring system is a device which is connected to the lithium ion (LI-ion) battery system. Battery testing should be considered an integral part of any vehicle maintenance routine and should be performed before the occurrence of problem. Vehicle to home (V2H) correspondence includes linkage between a vehicle and the owner’s home, sharing the task of provided energy. During power outages or emergency, the vehicle’s battery can be used as a power source using V2H technology. The battery management system will monitor voltage, different temperature and charging discharging conditions. Lithium – ion batteries that possess high charge density and power in most electric cars. Therefore, these batteries should never be overcharged or not to be allowed to reach a state of deep discharge at any point. So, it should be monitored periodically to increase the life of the battery.
2. OBJECTIVE [1] The safety of individuals in and around the electric vehicle will be expanded undeniably by nonstop observing arrangements. [2] The expense spent on batteries can be limited because of the right use of the battery with the help of battery monitoring. [3] By V2H technology, people can be benefited by using loads during AC power supply interruptions. [4] The more amount of electricity can be saved leading to less usage of resources in producing electricity and cost spent on it can be reduced.
3. PROPOSED SYSTEM The proposed system is focused on two significant parts one is monitoring the parameters and the other is vehicle to home (V2H) technology. For monitoring the voltage, current and temperature sensors is used to monitor different parameters. It protects the battery pack from being over charge (cell voltages goes high) or over discharge (cell voltages goes low) in this way the battery’s life. It does by constantly monitoring every cell in the battery pack and calculating exactly how much current is safely going in (charge) and come out (discharge) of the battery pack without damaging it. It also calculates the state of charge by tracking how much energy goes in and out by monitoring the cell voltage. It monitors the complete health of the battery pack by continuously checking for loose connections, breakdowns in wire insulations and defective cells that need to be replaced in the battery pack. These parameters gives notifications to the user for safe operations of the battery pack.
Key Words: Lithium-ion battery (LI-ion), state of charge (SOC), state of health (SOH), vehicle to home (V2H).
1. INTRODUCTION Now-a-days electric vehicles are becoming emerging technologies and the growth of electric vehicles are come into advancement in recent years. According to survey, electric vehicle demand in India has grown drastically in the last three years. The advantage of using electric vehicle is no fuel is required, zero emission of toxic gases, less pollution to environment, low maintenance and energy efficient. In current times, research is focused on improving the quality of lithium batteries which purpose is to limit the cost of lithium battery and generate much less noise as compared to conventional electric powered vehicle. The developing interest for diminishing fossil fuel byproduct and improvement of predominant and speedy charging stations are the two components expected to impel the blast of electric vehicle market. Electric vehicles are powered by a massive number of battery cells, requiring an effective
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4. BLOCK DIAGRAM OF PROPOSED SYSTEM The block diagram consists of several block, 1. 2. 3. 4. 5. 6. 7.
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Battery pack. Arduino. Bi – directional charger. Voltage sensor. Current sensor. Relay. Temperature sensor.
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