The Detection of Partial Discharges in High Voltage Potential Transformers in Service
- 1 November 1974
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-93 (6) , 1909-1916
- https://doi.org/10.1109/TPAS.1974.293843
Abstract
This paper describes a test technique which has been developed for use in the field to detect internal partial discharges which may occur in high voltage potential transformers. The first stage consists of. detecting ultrasonic signals caused by the discharges. This is done while the equipment is still energized by the system. The second stage consists of removinj from service the transformers found to be producing high ultrasonic signal levels and then subjecting those transformers to tests to measure the partial discharge level.Keywords
This publication has 3 references indexed in Scilit:
- The Relationship Between Ultrasonic and Electrical Measurements of Under-Oil Corona SourcesIEEE Transactions on Electrical Insulation, 1976
- Ultrasonic Spectrum Signatures of Under-Oil Corona SourcesIEEE Transactions on Electrical Insulation, 1975
- The Relationship Between the Picocoolomb and Microvolt for Corona Measurements on HV Transformers and Other ApparatusIEEE Transactions on Power Apparatus and Systems, 1973