Reduction of the surge voltage at motors fed from IGBT inverter drives by PWM correction

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In this paper, we analyze the conditions when surge voltage peaks higher than 2 p. u (2 times the inverter DC link voltage) occur at the induction motor terminals fed by PWM inverters. These overvoltages can reach 3 p. u or more and posse a threat for the motor insulation. Experimental results and simulations are used to study the dependence of voltage at the motor terminals from the application conditions (cable and motor parameters). Anew algorithm for correction of the PWM, which reduce the motor terminal peak voltage under 2 p. u, is proposed and tested successfully in different PWM schemes. Further more a method for calculation of the minimum allowed short time intervals between two consecutive pulses, is given and its results are confirmed from the experiment. Advantages of the new proposed PWM correction method are that it can be implemented at no additional costs, independently from the PWM mode (Sinusoidal PWM, Space Vector PWM, Discrete PWM) used_??_ and without changing the performance of the drive. The application of this method improves the switching reliability of the drive.

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 122(5), 475-480, 2002-05-01

    一般社団法人 電気学会

参考文献:  11件中 1-11件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    10008218084
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    6152733
  • 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  CJP引用  NDL  J-STAGE 
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