Title :
Off-line- and on-line-monitoring of power transformers using the transfer function method
Author :
Leibfried, T. ; Feser, K.
Author_Institution :
Inst. for Power Transmission & High Voltage Technol., Stuttgart Univ., Germany
Abstract :
The transfer function concept is well known as an additional method to evaluate the impulse tests of power transformer insulating oils in the test laboratory. Another application for the transfer function method is monitoring of transformers in service. Thereby, offline and online monitoring can be realized. Both kinds of monitoring are demonstrated with on-site measurements on a power transformer in service
Keywords :
automatic testing; computerised monitoring; electric breakdown; impulse testing; insulation testing; partial discharges; power transformer insulation; power transformer testing; transfer functions; transformer oil; transformer windings; impulse tests; in-service testing; insulation breakdown tests; offline monitoring; online monitoring; partial discharge measurements; power transformer insulating oils; test automation; transfer function method; Circuit faults; Fault detection; Impulse testing; Laboratories; Monitoring; Power generation; Power measurement; Power system reliability; Power transformers; Transfer functions;
Conference_Titel :
Electrical Insulation, 1996., Conference Record of the 1996 IEEE International Symposium on
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-3531-7
DOI :
10.1109/ELINSL.1996.549277
