A New On-board Charging-Driving Integrated Topology for V2G Technology

The performance of batteries and on-board chargers (such as the volume in the car, energy storage capacity and charging speed) needs to be improved, which has become one of the main factors restricting the development of electric vehicles. The development of Vehicles to Grid technology puts forward higher requirements for chargers. With the development of Vehicles to Grid (V2G) technology, more realizable functions put forward higher requirements for chargers. To solve the problem of charging system in electric vehicle, a charging-driving integrated topology was designed, which makes full use of two-stator motor and inverters to be transformed to a charging system. The supercapacitor and the battery are used to form the hybrid power system. In the driving mode, the startup and acceleration performance of the vehicle are improved. In the charging mode, the various functions of Vehicles to Grid technology can be satisfied, and the electrical isolation is realized. This topology not only improves the power, but also greatly reduces the charging/discharging times of the battery, and improves the overall performance of the system. The feasibility is verified by simulation.

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Impact of the Air-Conditioning System on the Power Consumption of an Electric Vehicle Powered by Lithium-Ion Battery

Modelling and Simulation in Engineering ◽

10.1155/2013/935784 ◽

2013 ◽

Vol 2013 ◽

pp. 1-6 ◽

Cited By ~ 8

Author(s):

Brahim Mebarki ◽

Belkacem Draoui ◽

Boumediène Allaou ◽

Lakhdar Rahmani ◽

Elhadj Benachour

Keyword(s):

Lithium Ion Battery ◽

Electric Vehicle ◽

Electric Vehicles ◽

Air Conditioning ◽

Storage Capacity ◽

Lithium Ion ◽

Noise Pollution ◽

Air Conditioning System ◽

Energy Storage Capacity ◽

Basic Goal

The car occupies the daily universe of our society; however, noise pollution, global warming gas emissions, and increased fuel consumption are constantly increasing. The electric vehicle is one of the recommended solutions by the raison of its zero emission. Heating and air-conditioning (HVAC) system is a part of the power system of the vehicle when the purpose is to provide complete thermal comfort for its occupants, however it requires far more energy than any other car accessory. Electric vehicles have a low-energy storage capacity, and HVAC may consume a substantial amount of the total energy stored, considerably reducing the vehicle range, which is one of the most important parameters for EV acceptability. The basic goal of this paper is to simulate the air-conditioning system impact on the power energy source of an electric vehicle powered by a lithium-ion battery.

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Analysis and design of energy storage capacity of AC-DC hybrid power distribution unit with energy storage to improve the reliability of power grid

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/675/1/012067 ◽

2021 ◽

Vol 675 (1) ◽

pp. 012067

Author(s):

Haibo Zhao ◽

Zhi Zhang ◽

Ende Hu ◽

Qi Li ◽

Guopeng Zhao ◽

...

Keyword(s):

Energy Storage ◽

Power Distribution ◽

Storage Capacity ◽

Power Grid ◽

Analysis And Design ◽

Hybrid Power ◽

Energy Storage Capacity

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A Desiccant Dehumidifier for Electric Vehicle Heating

Journal of Energy Resources Technology ◽

10.1115/1.2795023 ◽

1998 ◽

Vol 120 (2) ◽

pp. 131-136 ◽

Cited By ~ 4

Author(s):

S. M. Aceves ◽

J. R. Smith

Keyword(s):

Electric Vehicles ◽

Storage Capacity ◽

Waste Heat ◽

Ventilation Rate ◽

Ambient Conditions ◽

Water Condensation ◽

Energy Storage Capacity ◽

Air Ventilation ◽

Heating Load ◽

Battery Energy

Vehicle heating requires a substantial amount of energy. Electric vehicles (EVs) generate little waste heat, and using battery energy for heating may consume a substantial fraction of the energy storage capacity, reducing the vehicle range, which is one of the most important parameters in determining EV acceptability. This paper analyzes the applicability of a desiccant dehumidifier for providing comfort heating in an EV with reduced energy consumption. A dehumidifier can reduce the heating load in a vehicle because it adsorbs the water vapor generated by the passengers, thereby avoiding water condensation on the windows without requiring a high external air ventilation rate or a high window temperature. The results indicate that the desiccant dehumidifier can reduce the steady-state heating load by 60 percent or more under typical conditions. The reduction in heating load is such that waste heat may be enough to provide the required heating under most ambient conditions. Desiccant system dimensions and weight appear reasonable for packaging inside an EV.

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