전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제26권3호
  • /
  • Pages.176-182
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  • 2021
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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차동 노이즈 분석을 위한 단상 인버터 고주파 회로 모델링 및 검증

Single Phase Inverter High Frequency Circuit Modeling and Verification for Differential Mode Noise Analysis

  • Shin, Ju-Hyun (Dept. of Electrical Engineering, Chungnam National University) ;
  • Seng, Chhaya (Dept. of Electrical Engineering, Chungnam National University) ;
  • Kim, Woo-Jung (Battery Management System Team, SK Innovation) ;
  • Cha, Hanju (Dept. of Electrical Engineering, Chungnam National University)
  • 투고 : 2020.12.24
  • 심사 : 2021.01.29
  • 발행 : 2021.06.20
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초록

This research proposes a high-frequency circuit that can accurately predict the differential mode noise of single-phase inverters at the circuit design stage. Proposed single-phase inverter high frequency circuit in the work is a form in which harmonic impedance components are added to the basic single-phase inverter circuit configuration. For accurate noise prediction, parasitic components present in each part of the differential noise path were extracted. Impedance was extracted using a network analyzer and Q3D in the measurement range of 150 kHz to 30 MHz. A high-frequency circuit model was completed by applying the measured values. Simulations and experiments were conducted to confirm the validity of the high-frequency circuit. As a result, we were able to predict the resonance point of the differential mode voltage extracted as an experimental value with a high-frequency circuit model within an approximately 10% error. Through this outcome, we could verify that differential mode noise can be accurately predicted using the proposed model of the high-frequency circuit without a separate test bench for noise measurement.

키워드

과제정보

본 연구는 한국전력공사의 2020년 선정 기초연구개발 과제 연구비 지원에 의해 수행되었습니다. (과제번호: R20X002-36)

참고문헌

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