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Determination of corona inception voltage of interturn insulation under pulse voltage
Konferencja
Problemy eksploatacji maszyn i napędów elektrycznych (2005; Ustroń, Polska)
Języki publikacji
Abstrakty
The majority of failures of interturn insulation system of inverter-fed motors are attributed to partial discharges therefore determining of Corona Inception Voltage (CIV) is essential. However the investigation of CIV under pulse voltage leads to problems and some researchers performed the alternative of measurements using sinusoidal voltages. In this paper the simple way of determining of CIV of enamelled winding wires under high frequency pulse voltage with oscilloscope has been shown. The dependence of Corona Inception Voltage versus kind of enamel, insulation thickness, frequency of pulse voltage and temperature has been presented. It was found that mainly thickness of insulation and temperature influences on the level of voltage at which partial discharges has begun. The obtained CIV results were verified by testing of endurance of insulation under pulse voltage.
Czasopismo
Rocznik
Tom
Strony
29--32
Opis fizyczny
Bibliogr. 5 poz., tab., rys.
Twórcy
autor
- Instytut Elektrotechniki, Wrocław
autor
- Instytut Elektrotechniki, Wrocław
autor
- Instytut Elektrotechniki, Wrocław
autor
- Instytut Elektrotechniki, Wrocław
Bibliografia
- [1]. PFEIFFER W.; PAEDE M., About the PD-Testing of Insulation Systems with High-Frequency Voltages, 2002 International Symposium on Electrical Insulation
- [2]. FETHERSTON F. W., FINLAY B. F., RUSSEL J. J., Observations of partial discharges Turing surge comparison testing of random wound electric motors, 1994 IEEE Transactions on Energy Conversion, vol. 14, no. 3, Sept. 1999, p. 538-544,
- [3]. MBAYE A., LEBEY T., Analytical approach of PD activity in low voltage motors fed by inverters (adjustable speed drives), Proceedings of the 1998 IEEE 6th International Conference on Conduction and Breakdown in Solid Dielectrics, p. 161-164
- [4]. Evaluating Inverter-Duty Motor Insulation Systems Using Corona Inception Voltage, Lincoln Electric Motor Division, Technical Brief,
- [5]. http://www.lincolnmotors.com/pdf/tb-100.pdf
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS2-0033-0035