Dielectric strength of transformer insulation at DC polarity reversal

IEEE Transactions on Power Delivery

Volumn 12, Issue 4, 1997, Pages 1526-1531

  Hasegawa, T ^a   Hatano, M ^b   Yamaji, K ^c   Kouan, T ^d   Hosokawa, N ^d  

^a KANSAI ELECTRIC POWER CO   (Japan)

^b ELECTRIC POWER DEVELOPMENT CO LTD   (Japan)

^c SHIKOKU ELECTRIC POWER CO INC   (Japan)

^d MITSUBISHI ELECTRIC CORPORATION   (Japan)

Author keywords

Converter transformer; HVDC; Oil paper insulation; Partial discharge; Polarity reversal

Indexed keywords

DIELECTRIC PROPERTIES OF SOLIDS; ELECTRIC CONVERTERS; PARTIAL DISCHARGES;

DIRECT CURRENT POLARITY REVERSAL TEST;

ELECTRIC TRANSFORMER INSULATION;

EID: 0031257875     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/61.634171     Document Type: Article

References (5)

1. B. Wahlstrom et al. "Voltage Tests on Transformers and Smoothing Reactors for HVDC Transmission," CIGRE Working Group Report WG 12.02, Electra No.46, May 1976
2. W. Kennedy et al. "Recommended Dielectric Tests and Test Procedures for Converter Transformers and Smoothing Reactors, " EEE Trans. on Power Delivery, Vol. PRWD-1, No.3, July 1976, pp.161-166
3. A. Lindroth et al. "The Relationship between Test and Service Stresses as a Function of Resistivity Ratio for HVDC Converter Transformers and Smoothing Reactors", CIGRE Working Group Report JWG 12/14.10 Electra No.157, Dec. 1994
4. E. Takahashi et al. "Analysis of an Anisotropic Nonlinear Electric Field with a Discussion of Dielectric Tests for Converter Transformers and Smoothing Reactors" IEEE Trans. on Power Delivery, Vol..9 No.3, July 1994, pp.1480-1486
5. E. Takahashi et al. "Partial Discharge Characteristics of Oil-immersed Insulation Systems under DC Combined DC-AC and DC Reversed Polarity Voltage," IEEE Trans. on Power Apparatus and Systems, Vol.PAS-95, Jan./Feb. 1976, pp.411-420