Title :
On-line identification of frequency response of current transformers using a correlation method
Author :
Erning, Li ; MacAlpine, J.M.K. ; Yanbing, Liu
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Kowloon, Hong Kong
Abstract :
A new method is proposed in this paper in which correlation analysis using pseudo-random signals has been used for determining the frequency response of current transformers on line. High accuracy, high speed and high anti-interference have been obtained by this identification technique
Keywords :
correlation methods; current transformers; frequency response; parameter estimation; anti-interference; correlation method; current transformers; frequency response; identification technique; pseudo-random signals; Bandwidth; Correlation; Current transformers; Equations; Frequency response; Impulse testing; Interference; Partial discharges; Power system protection; White noise;
Conference_Titel :
Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on
Print_ISBN :
0-7803-3583-X
DOI :
10.1109/ISCAS.1997.612882