Relation between space charge accumulation and partial discharge activity in enameled wires under PWM-like voltage waveforms

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 11, Issue 3, 2004, Pages 393-405

  Fabiani, Davide ^a   Montanari, Gian Carlo ^a   Cavallini, Andrea ^a   Mazzanti, Giovanni ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

Enamel surface conductivity; Magnet wire enamel degradation; Partial discharge inception voltage; Space charge trap depth; Square waveforms

Indexed keywords

INCEPTION VOLTAGE; PARTIAL DISCHARGE; SQUARE WAVEFORMS; SURFACE CONDUCTIVITY;

ELECTRIC CONVERTERS; ELECTRIC MOTORS; ELECTRIC POTENTIAL; ELECTRIC SPACE CHARGE; ELECTRIC WIRE; PULSE WIDTH MODULATION; RELIABILITY; STRESSES; WAVEFORM ANALYSIS;

ELECTRIC DISCHARGES;

EID: 3142655686     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2004.1306718     Document Type: Article

References (28)

1. J. A. Oliver and G. C. Stone, "Implications for the Application of Adjustable Speed Drive Electronics to Motor Stator Winding Insulation", IEEE Electr. Insul. Mag., Vol. 11, No. 4, pp. 32-36, 1995.
2. M. Melfi, A. M. J. Sung, S. Bell, and G. L. Skibinski, "Effect of Surge Voltage Risetime on the Insulation of Low-voltage Machines Fed by PWM Converters", IEEE Trans. Ind. Appl., Vol. 34, pp. 766-775, 1998.
3. W. Yin, "Failure Mechanism of Winding Insulation in Inverter-Fed Motors", IEEE Electr. Insul. Mag., Vol. 13, No. 6, pp. 18-23, 1997.
4. M. Kaufhold, G. Borner, M. Eberhardt and J. Speck, "Failure Mechanism of Low Voltage Electric Machines Fed by Pulse-Controlled Inverters", IEEE Electr. Insul. Mag., Vol. 12, No. 5, pp. 9-15, 1996.
5. D. Fabiani, G. C. Montanari and A. Contin, "Aging Acceleration of Insulating Materials for Electrical Machine Windings Supplied by PWM in the Presence and in the Absence of Partial Discharges", IEEE ICSD, Eindhoven, The Netherlands, pp. 283-286, 2001.
6. C. Hudon, N. Amyot, T. Lebey, P. Castelan and N. Kandev, "Testing of Low-voltage Motor Turn Insulation Intended for Pulse-width Modulated Application", IEEE Trans. Dielectr. Electr. Insul., Vol. 7, pp. 783-789, 2000.
7. W. Yin, K. Bultemeier, D. Barta and D. Floryan, "Critical Factors for Early Failure of Magnet Wires in Inverted-Fed Motors", IEEE CEIDP, Virginia Beach, VA, USA, pp. 258-261, 1995.
8. D. Fabiani and G. C. Montanari, "The Effect of Voltage Distortion on Aging Acceleration of Insulation Systems under Partial Discharge Activity", IEEE Electr. Insul. Mag., Vol. 17, No. 3, pp. 24-33, 2001.
9. N. Foulon, J. P. Lucas, G. Barré, R. Mailfert and J. Enon, "Investigation of the Failure Mechanism of Insulation Subjected to Repetitive Fast Voltage Surges", IEEE EIC and EMCW, Rosemont, IL, USA, pp. 401-406, 1997.
10. J. P. Bellomo, Etude des Consequences des Nouvelles Formes de Commande sur les Materiaux de l'Isolation Statorique, Ph.D. Thesis, Universitè Paul Sabatier, Toulouse, France, 1996.
11. IEC Std. 62068: Evaluation of Electrical Stresses Produced by Repetitive Impulses. Part 1: General methods of evaluation of electrical endurance (IEC 98-160 CDV). Part 2: State of the art report (62068-2 (2001-08)).
12. G. C. Montanari, G. Mazzanti, L. A. Dissado and D. K. Das Gupta, "Space charges as a trigger for electrical aging of polymeric insulation", in Charges in Solid Dielectrics, The Dielectrics Society, UK, pp. 259-272, 1998.
13. Y. Zhang, J. Lewiner, C. Alquié and N. Hampton, "Evidence of Strong Correlation Between Space Charge Build up and Breakdown in Cable Insulation", IEEE Trans. Dielectr. Electr. Insul., Vol. 3, pp. 778-783, 1996.
14. T. Takada, "Acoustic and Optical Methods for Measuring Electric Charge Distribution in Dielectrics", IEEE Trans. Dielectr. Electr. Insul., Vol. 6, pp. 519-547, 1999.
15. T. Maeno, T. Futami, K. Kushibe, T. Takada and C. M. Cooke, "Measurement of Spatial Charge Distribution in Thick Dielectric Using the Pulsed Electroacoustic Method", IEEE Trans. Electr. Insul., Vol. 23, pp. 433-439, 1988.
16. T. Maeno and K. Fukunaga, "High-resolution PEA Charge Distribution Measurement System", IEEE Trans. Dielectr. Electr. Insul., Vol. 3, pp. 754-757, 1996.
17. D. Fabiani, G. C. Montanari and F. Palmieri, "Space Charge Measurements on Enameled Wires for Electrical Machine Windings", CWIEME'Ol, Berlin, Germany, pp. 110-115, 2001.
18. G. Mazzanti, G. C. Montanari and J. M. Alison, "A Space Charge Based Method for the Estimation of Apparent Mobility and Trap Depth as Markers for Insulation Degradation-Theoretical Basis and Experimental Validation", IEEE Trans. Dielectr. Electr. Insul., Vol. 10, pp. 187-197, 2003.
19. ASTM Std. D1676, Standard Methods for Testing Film-Insulated Magnet Wire, Annual Book of ASTM Standards, Vol. 01.03, 1983.
20. A. Contin, A. Cavallini, G. C. Montanari, G. Pasini and F. Puletti, "Digital Detection and Fuzzy Classification of Partial Discharge Signals", IEEE Trans. Dielectr. Electr. Ins., Vol. 9, pp. 335-348, 2002.
21. M. Fenger, S. R. Campbell and G. Gao, "The Impact of Surge Voltage Rise-Time on PD Inception Voltage in Random Wound Motors of Different Designs", IEEE CEIDP, Kitchener, Canada, pp. 352-355, 2001.
22. A. Contin, G. C. Montanari, and C. Ferraro. "Partial Discharge Source Recognition by Weibull Processing of the Pulse Height Distribution", IEEE Trans. Dielectr. Electr. Insul., Vol. 7, pp. 48-58, 2000.
23. D. Fabiani, Accelerated degradation of ac-motor winding insulation due to voltage waveforms generated by adjustable speed drives, Ph.D. Thesis, University of Bologna, Bologna, Italy, 2002, published by Gedit Edizioni, Bologna, Italy, May 2003.
24. R. Busch, F. Pohlmann and K. Muller, "The Influence of Several Environmental Conditions on the Partial Discharge Characteristics and on the Lifetime of Magnet Wires under Inverter Pulse Operation", IEEE ISEIM, Himeji, Japan, pp. 645-648, 2001.
25. 6, Ph.D. Thesis, Delft University Press, Delft, The Netherlands, 1993.
26. M. Takashima, K. Soda and T. Takada, "Measurement of Electric Charges at the Interface Between Two Dielectric Layers Using an Electro-acoustic Transducer Technique", IEEE Trans. Electr. Insul., Vol. 23, pp. 287-295, 1988.
27. D. A. Seanor, Electrical Properties of Polymers, Academic Press, London, 1982.
28. P. K. Watson, "The Transport and Trapping of Electrons in Polymers", IEEE Trans. Dielectr. Electr. Insul., Vol. 2, pp. 915-924, 1995.