周波数可変部分共振インバータによる誘導加熱装置の周波数・電力制御 Frequency and Power Control of Induction Heater using an Adjustable Frequency Quasi-Resonant Inverter

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It is to be desired that the operating frequency of a resonant inverter for induction heating is adjustable when various parts or uneven parts are treated by heating. In order to respond the demand, we reported a novel adjustable frequency quasi-resonant inverter and clarified the basic characteristics. However, the output current contained many harmonics and there was the possibility that the heat-treated depth in the uneven surface of the work did not become uniform unless the operating condition was optimum. The heat-treated depth depends on not only output frequency of the inverter but supplied power into the work coil. If the frequency and the supplied power can be controlled independently, the degree of freedom of the heat treated depth control increases. Therefor, we propose a frequency and power control method using the reported inverter. In the present method, the inverter and the induction heater are considered as a series RLC resonant circuit which includes an equivalent loss resistor and an equivalent output resistor. The input DC voltage of the inverter is so manipulated that the output power generated in the output resistor may be equal to the desired value after the operating frequency was controlled to the target value.

収録刊行物

  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 118(3), 377-384, 1998-03 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002726549
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4413270
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-1608
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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