지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.21 No.1
- 발행연도
- 2021.1
- 수록면
- 15 - 22 (8page)
이용수
초록· 키워드
오류제보하기
This paper proposes a simplified analytical model for electromagnetic interference (EMI) filters used in high-power converters. Highpower converters produce radio frequency conducted noise because they use high-frequency switching in the range of a few ㎑ to tens of ㎑. The noise propagates into the power grid, which disturbs the functionality of the radio frequency apparatuses. Well-known standards, such as CISPR, provide the measurement and assessment methodologies for these devices. Moreover, the emission level of the noise is restricted at the source side. Using EMI filters is the most effective approach for dealing with this issue. However, due to the nonlinear nature of the common-mode (CM) cores, the modeling of the cores is a complicated task, which makes the selection and design of the filters less than optimal. In this paper, an analytical modeling of the CM filters is provided to suit the nonlinear frequency-dependent behavior of the CM cores. The simplicity of the proposed model makes it a very suitable choice for inclusion in the design procedures, which results in a more accurate and optimum filter selection among the many available commercial industrial filters. To validate the proposed model, the frequency-dependent model obtained is verified by experimental tests with a commercial CM choke. According to the results, the proposed model accurately describes the actual EMI filter behavior.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. EMI FILTERS FOR SUPPRESSING COMMON-MODE NOISE
Ⅲ. PROPOSED ANALYTICAL FORMULATION AND CM FILTER MODELLING
Ⅳ. MODEL PARAMETER ESTIMATION USING EXPERIMENTAL MEASUREMENTS
Ⅴ. CONCLUSION
REFERENCES
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