Journal of Advanced Marine Engineering and Technology

  • 제29권7호
  • /
  • Pages.744-749
  • /
  • 2005
  • /
  • 2234-7925(pISSN)
  • /
  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
권호 표지

Performance Improvement of Power Control System for Driving MGT

  • Lee Sung-Geun (Division of Electrical and Electronics Engineering, Korea Maritime University)
  • 발행 : 2005.11.01
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초록

This paper describes the performance improvement of power control system of magnetron (MGT) for microwave oven. The MGT is used extensively in household microwave oven and industrial microwave heating devices, and is operated by 3.0[kV] $\∼$5.0[kV] dc high voltage. The proposed power supply is consisted of a bridge rectifier, step-up converter(SUC) and its controller, half bridge inverter(HBI) and its controller, and full wave double voltage rectifier(DVR). In the proposed system, a good power factor can be obtained by the SUC' switching method that the inductor current waveforms follows that of the rectified voltage, and a line input power can be controlled to a range of 17.5[$\%$] by duty ratio (DR) adjustment of the HBI.

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참고문헌

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