NDLI: Research on the mechanical state parameter extraction method of high voltage circuit breakers

Content Provider	IEEE Xplore Digital Library
Author	Yang Fan Hu Xiaoguang
Copyright Year	2012
Description	Author affiliation: School of Automation Science and Electrical Engineering, Beihang University, Beijing, China (Yang Fan; Hu Xiaoguang)
Abstract	High voltage circuit breakers play an important role in the power system. So it is necessary to implement the state detection of breakers in order to ensure stable and reliable running of the grid. The purpose of state detection is to provide reliable basis of maintenance by extracting mechanical state parameters accurately. This paper mainly focuses on the coil current signal feature extraction algorithm. To settle the problem of too much noise mixed with the current signal and signal distortion, the discrete wavelet transform algorithm is used to extract the coil current signal parameters. This paper also designs the FIR filter to extract stroke and speed parameters from travel-time waveform. The experiments show that the difference between the theoretical results and test results processed by the method in this paper is very small and the test results are able to accurately reflect operation states and mechanical features of high voltage circuit breakers.
Starting Page	1062
Ending Page	1066
File Size	446819
Page Count	5
File Format	PDF
ISBN	9781467303125
e-ISBN	9781467303118
DOI	10.1109/INDIN.2012.6301146
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	FIR filter high voltage circuit breaker mechanical state parameters Circuit breakers Low pass filters Finite impulse response filter Feature extraction wavelet denoising Discrete wavelet transforms
Content Type	Text
Resource Type	Article

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