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- W1982019434 abstract "하이브리드 전기 차량 내에 존재하는 DC-DC 컨버터 또는 DC-AC 인버터에 의해 스위칭 잡음이 발생된다. 이 스위칭 잡음은 컨버터 또는 인버터의 스위칭 회로 내에 존재하는 전력 다이오드의 역 회복 동작에 의해 발생된다. 다이오드의 반전 시간과 역 회복 시간이 역 회복 구간의 모양을 결정한다. 본 논문은 스위칭 잡음의 주파수 스펙트럼을 다이오드 역 회복 구간의 모양을 통해 예측하고, 측정 결과와 비교하여 주요 주파수 구간이 다이오드의 반전 시간과 직접적인 연관이 있다는 것을 확인하였다. DC-DC converter and DC-AC inverter in a hybrid electric vehicle (HEV) generate the switching noise. It may be generated by the reverse recovery operation of the power diode in the switching circuit of the converter or the inverter. The shape of the reverse recovery region may be determined by both reverse time and recovery time in the diode. So, in this paper, the frequency spectrum of switching noise was estimated by the shape of the reverse recovery region and compared with the measured results. It shows that the meaningful region of the frequency spectrum is directly related with the reverse time." @default.
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- W1982019434 date "2012-05-31" @default.
- W1982019434 modified "2023-10-01" @default.
- W1982019434 title "Analysis of Switching Noise Time Characteristic and Estimation of Frequency Spectrum" @default.
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- W1982019434 doi "https://doi.org/10.5515/kjkiees.2012.23.5.640" @default.
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