Insulation condition assessment of transformer bushings by means of polarisation / depolarisation current analysis

Conference Record of IEEE International Symposium on Electrical Insulation

Volumn , Issue , 2004, Pages 500-503

  Bhumiwat, Supatra A ^a  

^a KEA Consultant   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

BONDING; CAPACITANCE; CAPACITORS; ELECTRIC INSULATION; ELECTRIC TRANSFORMERS; ELECTROMAGNETIC WAVE POLARIZATION; FREQUENCIES; SENSITIVITY ANALYSIS;

INSULATION AGING; OIL IMPREGNATED PAPER (OIP); POLARIZATION/DEPOLARIZATION CURRENT (PDC) ANALYSIS; TRANSFORMER BUSHINGS;

BUSHINGS;

EID: 14844309657     PISSN: 01642006     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (5)

1. Zaengl, W.S. "Dielectric Spectroscopy in Time and Frequency Domain for HV Power Equipment, Part I: Theoretical Considerations", IEEE El Magazine. Vol. 19 No. 5, September/October 2003, pp. 5-19.
2. CIGRE Task force 15.01.09. Dielectric Response Methods for Diagnostics of Power Transformers, Electra 202, pp. 25-36.
3. Alff, J.J., Der Houhanessian V., Zaengl W.S. and Kachler A.J. "A Novel, Compact Instrument for the Measurement and Evaluation of Relaxation Currents conceived for On-Site Diagnosis of Electrical Power Apparatus". 2000 IEEE ISEI, Anaheim, USA, pp. 161-167.
4. Der Houhanessian, V. Measurement and Analysis of Dielectric Response in oil-paper insulation systems, Ph.D. thesis, no. 12832, Swiss Federal Institute of Technology, Zurich, Switzerland, 1998.
5. Lapworth, J and Heywood R. "The Determination of the Dryness of Transformer Insulation: Recent NGC Experience with polarization Tests" 2001 International Conference on Power Transformer, Bydgoszcz, Poland, 5-7 September 2001.