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    연구주제 (Research Areas)

    ◆ Power Conversion Circuit Design and Control Algorithm for Electric Vehicles (EV) and Fuel Cell EV

    ◆ Power Conversion Applications : Electric Machine Drives (DC/BLDC/PMSM/IM) based on Microprocessors,
       Design and Control of Power Converters (DC to DC, AC to DC, DC to AC, AC to AC) 

    ◆ Power Electronics Circuits and Control, Interface for Distributed Generation Systems Using Renewable Energy Sources (Wind Turbines/Photovoltaic Arrays/Fuel Cells/Energy Storage Devices)

    ◆ Driving Circuits and Driving Methods of AC Plasma Display Panel (PDP) and Liquid Crystal Display (LCD)

  전기자동차(EV : Electric Vehicles)는 구동원을 전기모터로 하고 배터리에서 에너지를 공급받아 주행하는 자동차로 연료전지 자동차와 하이브리드 전기자동차 개발 기술의 기본이 되는 자동차이다.
  전기자동차는 배기가스를 전혀 배출하지 않는다는 장점이 있으며 최근 고성능의 모터와 배터리가 개발됨에 따라 충분한 성능의 가속능력까지 갖추게 되었다. 그러나 전기자동차를 운행하기 위해서는 충전 시설 등 관련 인프라가 충분히 구축되어야 한다는 문제점이 있고, 현재로서는 충전에 걸리는 시간이 길며, 한 번 충전 시 주행 가능한 거리가 짧고 배터리 가격이 고가여서 차량 가격이 비싸다는 단점이 있다. 충전 시간 문제는 현재 30분 내에 배터리를 완전 충전할 수 있는 기술이 개발 중에 있으며, 한 번 충전 시의 주행 거리는 차세대 전지인 리튬 계열의 전지가 적용될 경우 내연기관의 주행 거리 정도로 증대시킬 수 있다.

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   An electric vehicle, also called an EV, uses one or more electric motors or traction motors for propulsion. An electric vehicle may be powered through a collector system by electricity from off-vehicle sources, or may be self-contained with a battery, solar panels or an electric generator to convert fuel to electricity. EVs include, but are not limited to, road and rail vehicles, surface and underwater vessels, electric aircraft and electric spacecraft.

   EVs first came into existence in the mid-19th century, when electricity was among the preferred methods for motor vehicle propulsion, providing a level of comfort and ease of operation that could not be achieved by the gasoline cars of the time. Modern internal combustion engines have been the dominant propulsion method for motor vehicles for almost 100 years, but electric power has remained commonplace in other vehicle types, such as trains and smaller vehicles of all types.

   In the 21st century, EVs saw a resurgence due to technological developments, and an increased focus on renewable energy. A great deal of demand for electric vehicles developed and a small core of do-it-yourself (DIY) engineers began sharing technical details for doing electric vehicle conversions. Government incentives to increase adoptions were introduced, including in the United States and the European Union.


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