Journal of international Conference on Electrical Machines and Systems

  • 제1권3호
  • /
  • Pages.366-371
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  • 2012
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  • 2234-6902(pISSN)
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  • 2234-7577(eISSN)
대한전기학회 분과 (Journal of International Conference on Electrical Machines and Systems)
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Low Frequency Multi-Level Switching Strategy Based on Phase-Shift Control Methods

  • 투고 : 2012.07.30
  • 심사 : 2012.08.18
  • 발행 : 2012.09.01
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초록

In this paper, we propose an electric circuit using one common-arm of H-Bridge inverters to reduce the number of switching components in the multi-level inverter combined with H-Bridge inverters and transformers. And furthermore, we suggested a new multi-level PWM inverter using PWM level to reduce THD (Total Harmonic Distortion). We use a phase-shift switching method that has the same rate of usage at each transformer. Also, we test the proposed prototype 9-level inverter to clarify the proposed electric circuit and reasonableness of the control signal for the proposed multi-level PWM inverter.

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참고문헌

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