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A Study on Electromagnetic Interference of Electric Vehicles with Variations of Charging Device Inlet Location

전기자동차 충전구 위치에 따른 전자파 방사특성에 관한 연구

  • Gwon, Sunmin (Mobility Engineering / Type Approval, TUV Rheinland Korea) ;
  • Woo, Hyungu (School of Mechanical & Automotive Engineering, Kyungil University)
  • 권순민 (TUV 라인란드 코리아 자동차안전검사본부) ;
  • 우현구 (경일대학교 기계자동차학부)
  • Received : 2016.08.11
  • Accepted : 2016.09.07
  • Published : 2016.11.01

Abstract

According to revolutionary developments in automobile technologies, eco-friendly advanced vehicles (hybrid vehicle, hydrogen fuel-cell vehicle, electric vehicle, etc.) are rapidly increasing. The electromagnetic compatibility is getting more important for development of a vehicle because those advanced vehicles are driven by electric energy and equipped with more electric systems. In general, electromagnetic compatibility tests consist of an electromagnetic interference(EMI) test and an electromagnetic susceptibility(EMS) test. EMI test of the electric vehicles are needed not only in driving mode but also in charging mode because they must be recharged by much electric energy for driving. Depending on vehicle manufacturers, the charging device type and the location of charging device inlet in electric vehicles are various. In this paper, in order to investigate EMI of electric vehicles in charging mode in consideration of the direction of measuring antenna and the location of charging device inlet, a series of electromagnetic emission tests are conducted using three electric vehicles (neighborhood electric vehicle, electric vehicle and electric vehicle-bus). The test results show that electromagnetic emission measurements in charging mode are dependent on the direction of measuring antenna and the location of charging device inlet.

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