Recent R&D Activities of Power Devices for Hybrid Electric Vehicles
نویسنده
چکیده
Automobiles have an influence on the global environment that cannot be disregarded, not only through air pollution in cities but also through large carbon dioxide emission that leads to global warming. A hybrid electric vehicle combining a gasoline engine and an electric motor has proved to be an effective means to solve these problems. Electrical energy flow of the vehicle is controlled with inverters built into the car. These inverters consist of power modules that in turn contain many power devices. Therefore, power devices are one of the key components for the hybrid electric vehicle. In this paper, we make a survey of the role of power devices used in the hybrid electric vehicle and the technological trends they indicate. In addition, we present our recent R&D activities concerning power devices.
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