Title :
Effect of DC Excitation on Instrument Transformers
Author :
Aspnes, J.D. ; Merritt, R.P.
Author_Institution :
Electrical Engineering Department University of Alaska-Fairbanks
Abstract :
Experimental results are presented and evaluated showing the effects of DC excitation on a current transformer and a potential transformer. Parameters measured are phase angle, current and voltage ratios, and frequency spectra of important voltages and currents.
Keywords :
Current measurement; Current transformers; Frequency; Geomagnetism; Instrument transformers; Phase measurement; Power system harmonics; Power system modeling; Power system relaying; Power system simulation;
Journal_Title :
Power Apparatus and Systems, IEEE Transactions on
DOI :
10.1109/TPAS.1983.317757