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Analysis on the Switching Surge Characteristics of a High-Voltage Induction Motor Fed by PWM Inverter Using EMTP

Kim Jae-Chul    (Dept. of Electrical Engineering, Soongsil University   ); Song Seung-Yeop    (Dept. of Electrical Engineering, Soongsil University   ); Lee Do-Hoon    (LG Industrial Systems, Advanced Power Equipment Research LAB.  );
  • 초록

    The PWM inverter drive may cause an over voltage at the motor terminal, which imposes severe electric stresses on the inter-turn insulation of motor windings. Unlike low-voltage induction motors, high-voltage induction motors have a stator type of form-wound coil for insulation and are insulated to the slot and the coil. So, this paper presents a PWM 3-level inverter, H-Bridge cascaded 7-level inverter and High-voltage induction motor model. It then analyzes the voltage that generates at the input terminal of the high-voltage induction motor fed by each inverter. Also, in order to examine a factor that influences the switching surge voltage, this paper proposes the system equivalent model and performs the case studies using EMTP.


  • 주제어

    Cable .   EMPT .   High-voltage induction motor .   PWM .   Switching surge.  

  • 참고문헌 (12)

    1. Seung-Yeop Song, Jae-Chul Kim, Do-Hoon Lee, Jung-Eun Shin, Tae-Hoon Im, 'The Analysis for the Characteristics of Switching Surge of Adjustable Speed Drive by Inverter', KIEE Summer Conf., pp. 241-243, 2003.7 
    2. Eun-Woong Lee, Jong-Gyeom Kim, Taek-Soo Kim, Wook-Dong Kim, Kwang-Hoon Kim, 'A Study on the Reduction Method and the Analysis of VCB Switching Surge for High Voltage Induction Motors', KEPRI, DEC. 1993 
    3. Christopher J. Melhorn, Le Tang, 'Transients Effects of PWM Drives on Induction Motors', IEEE Transactions on Industry Applications, Vol. 33, No.4, pp.1065-1072, July/August 1997 
    4. ATP Rule Book, ATP solford Version of EMTP, Vols. 1, 2, Leuven EMTP Center, 1987 
    5. J.C. Das, 'Power System Analysis', Marcel Dekker INC, 2002 
    6. Annette von Jouanne, Dudi A. Rendusara, Prasad N. Enjeti, James Will Gray, 'Filtering Techniques to Minimize the Effect of Long Motor Leads on PWM Inverter-Fed AC Motor Drive Systems', IEEE Transactions on Industrial Application, Vol. 32, No. 4, pp.919-926, July/August 1996 
    7. Seung-Yeop Song, Jae-Chul Kim, Do-Hoon Lee, Jung-Eun Shin, Kwang-Hyun Noh, 'The Analysis for the Effect of Switching Surge of Induction Motor using EMTP', KIEE Autumn Conf., pp.278-280, 2003.11 
    8. L. Gubbala, A. Von Jouanne, P.N Enjeti, C. Singh, H.A Toliyat, 'Voltage Distribution in the Windings of an AC Motor Subjected to High dv/dt PWM Voltages', Power Electronics Specialists Conference, 1995. PESC '95, 26th Annual IEEE, Vol. 1, pp.579-585, 1995 
    9. Jong-Gyeom Kim, Eun-Woong Lee, 'The Effect and Harmonics Generating by Inverter Types of Adjustable Speed Drives of Induction Motor', KIEE Trans., Vol. 47, No. 7, pp.906-913, 1998. 7 
    10. H.A. Toliyat, G. Suresh, A. Abur, 'Simulation of Voltage Stress on the Inverter Fed Induction Motor Winding Supplied Through Feeder Cable', Industry Application Conference, Thirty-Second IAS Annual Meeting, IAS '97, Vol. 1, pp.143-150, 1997 
    11. Erik Persson, 'Transient Effect in Application of PWM Inverters to Induction Motor', IEEE Transaction on Industry Application, Vol. 28, No.5, pp.1095-1101, September/ October 1992 
    12. Muhammad H. Rashid, 'Power Electronics Handbook', Academic Press, 2001 

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