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

  • 제17권3호
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  • Pages.266-273
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  • 2012
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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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3상 PWM 정류기의 스위치 개방 고장 감지 및 허용운전 방법

Switch Open Fault Detection and Tolerant Operation Method for Three Phase PWM Rectifier

  • Shin, Hee-Keun (VC Tech, Engineer, R&D Center) ;
  • An, Byoung-Woong (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ of Transportation) ;
  • Kim, Hag-Wone (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ of Transportation) ;
  • Cho, Kwan-Yuhl (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ of Transportation) ;
  • Jung, Shin-Myung (Dept. of Electrical Engineering, KAIST)
  • 투고 : 2012.02.28
  • 심사 : 2012.03.20
  • 발행 : 2012.06.20
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초록

In this paper, the new open fault detection and tolerant operation method for 3 phase PWM rectifier is proposed. When open fault occurred on the inverter switches of 3 Phase PWM rectifier, the DC link voltage ripple is increased because the input current of the faulty phase is distorted. In this case, the quality of electric power would decrease, and the life time of DC link capacitor is decreased. The open fault is detected by a simple MRAS(Model Reference Adaptive System) without additional hardware sensors, and the tolerant operation carried out by turning on the opposite switch of the faulty switch without any redundancy. By the proposed method, the faulty phase input current can be controlled, so that 3-phase input current is balanced relatively under the faulty condition and the voltage ripple of DC link output is reduced. The validity of the proposed technique is proved on the 6kW 3-phase PWM rectifier system by simulation and experiment.

키워드

참고문헌

  1. Jingwei Zhu, Nesimi Ertugrul and Wen Liang Soong, "Detection and Remediation of Switch Faults on a Fault Tolerant Permanent Magnet Motor Drive with Redundancy," 2007 Second IEEE Conference on Industrial Electronics and Applications.
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  10. Hee Keun Shin, Hag Wone Kim, Kwan Yuhl Cho, Byung Kuk Lim, "A Current Controller with the Compensation of the Input Voltage Unbalance and Distortion for Three Phase PWM Rectifier, Journal of the korean institute of Power Electronics, Vol. 16, No. 6, pp. 594-601, Dec. 2011. https://doi.org/10.6113/TKPE.2011.16.6.594
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피인용 문헌

  1. Switch Open Circuit Fault Detection for Power Conversion System of Hybrid Electric Vehicles vol.18, pp.2, 2013, https://doi.org/10.6113/TKPE.2013.18.2.199
  2. Input Voltage Sensorless Control for 3 Phase Vienna Rectifier vol.19, pp.1, 2014, https://doi.org/10.6113/TKPE.2014.19.1.71