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전원변환유닛 내의 입력 EMI 필터 고장 원인분석 및 개선에 관한 연구

A Study on Failure Analysis and Improvement for the Input EMI Filter of Power Converter Unit

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주제분류기계공학

초록

We have observed a phenomenon where the internal X capacitors of the input EMI filter experienced damage during operation. To solve the problem, we have analyzed the malfunction by identifying the characteristics and operating principles of EMI filter. Based on this analysis, we have derived improvement strategies and validated them through experiments. This paper help some people prevent the similar problem when developing the similar equipment and solve the similar problem of the similar equipment.

Abstract

We have observed a phenomenon where the internal X capacitors of the input EMI filter experienced damage during operation. To solve the problem, we have analyzed the malfunction by identifying the characteristics and operating principles of EMI filter. Based on this analysis, we have derived improvement strategies and validated them through experiments. This paper help some people prevent the similar problem when developing the similar equipment and solve the similar problem of the similar equipment.

참고문헌 (8)

  1. Woonyoung Heo, "Technology and Development trends of Weapon Locating Radar", Journal of the Defense Science & Technology Information, 71, pp.8~16 (2018)
  2. Muhammad H. Rashid, "Power Electronics Devices, Circuits, and Applications", pp.1084~1806 (2014), PEARSON
  3. TRIAD MAGNETICS, "Dual-Function Chokes Address Differential-, Common-Mode Noise in a Single Compact Component", IEEE SPECTRUM, ~ (2018)
  4. Ozenbaugh, "EMI filter design", pp.49~50 (1995), Dekker
  5. M. Kovacic, "Analytical Wideband Model of a Common-Mode Choke", IEEE Transactions on Power Electronics, 27(7), pp.3173~3185 (2012)[DOI]
  6. M. J. Nave, "On modeling the common mode inductor", IEEE 1991 International Symposium on Electromagnetic Compatibility, pp.452~457 (1991)
  7. J. Kim, "Output LC filter design of voltage source inverter considering the performance of controller", PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings, 3, pp.1659~1664 (2000)
  8. "CISPR17: Methods of measurement of the suppession characteristics of passive EMC filtering devices", International Electrotechnical Commission (IEC) Std, ~ (2011)

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