On-line diagnostics of high-voltage bushings and current transformers using the sum current method

IEEE Transactions on Power Delivery

Volumn 15, Issue 1, 2000, Pages 155-162

  Lachman, Mark F ^a   Walter, Wolf ^a   Von Guggenberg, Philip A ^b  

^a DOBLE ENGINEERING COMPANY   (United States)

^b Raychem Corporation   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; BUSHINGS; CAPACITANCE; ELECTRIC POTENTIAL; ELECTRIC SUBSTATIONS; LEAKAGE CURRENTS; NUMERICAL METHODS; ONLINE SYSTEMS; SHORT CIRCUIT CURRENTS; TEMPERATURE;

CURRENT TRANSFORMERS; HIGH VOLTAGE BUSHINGS; ONLINE DIAGNOSTICS; POWER FACTOR; SUM CURRENT METHOD; SUM CURRENT PHASOR;

ELECTRIC TRANSFORMERS;

EID: 0033724112     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/61.847244     Document Type: Article

References (7)

1. "Analysis of replies to the 1997 technical questionnaire on power transformer failures and troubles," in Proceedings of the Sixty-Fourth Annual International Conference of Doble Clients, 1997, p. 8-2.1.
2. "Analysis of replies to the 1997 technical questionnaire on bushings, insulators, and instrument transformers failures and troubles," in Proceedings of the Sixty-Fourth Annual International Conference of Doble Clients, 1997, p. 3-2.4.
3. V. V. Sokolov and B. V. Vanin, "On-line monitoring of high-voltage bushings," in Proceedings of the Sixty-Second Annual International Conference of Doble Clients, 1995, p. 3-4.1.
4. D. Train, P. A. von Guggenberg, and G. A. Cavigelli, "Multi-phase measuring,", covered by patent rights issued and/or pending.
5. M. F. Lachman, W. Walter, and P. A. von Guggenberg, "Experience with application of sum current method to on-line diagnostics of high-voltage bushings and current transformers," in Proceedings of the Sixty-Fifth Annual International Conference of Doble Clients, 1998, p. 3-5.1.
6. Mathcad Plus 6.0, Professional Edition, 1986-1995, MathSoft Inc..
7. V. V. Sokolov and B. V. Vanin, "Evaluation and identification of typical defects and failure modes in 110-750 kV bushings," in Proceedings of the Sixty-Fourth Annual International Conference of Doble Clients, 1997, p. 3-3.1.