NDLI: Fast and reliable phasor detectors for single phase AC systems by derivative quadrature generation

Content Provider	IEEE Xplore Digital Library
Author	Bohwan Choi Lee, Sungwoo Inyong Yeo Rim, Chuntaek
Copyright Year	2012
Description	Author affiliation: Department of Nuclear and Quantum Engineering, KAIST, Daejeon, Korea (Bohwan Choi; Inyong Yeo; Rim, Chuntaek) \|\| Department of Electrical Engineering, KAIST, Daejeon, Korea (Lee, Sungwoo)
Abstract	The detection of amplitude and phase information in a single phase AC system is quite challenging due to the lack of quadrature component available in multi-phase AC systems. To produce the reliable quadrature component of the single phase AC system with harmonic noises, a derivative quadrature generator with appropriate filters is proposed. A low pass filter (LPF) optimizing the reductions of total harmonic distortion (THD) and response time of sensed signals was found, surveying generalized n-th order filters. To nullify phase shift of the LPF, an all pass filter was adopted. By simulations and experiments for the proposed phasor detector at 60 Hz, a fast time response of less than 8 ms was achieved under severe THD of 9.3 %.
Starting Page	609
Ending Page	614
File Size	1154591
Page Count	6
File Format	PDF
ISBN	9781457720857
DOI	10.1109/IPEMC.2012.6258815
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Generators Harmonic analysis Power harmonic filters Noise Cutoff frequency Simulation Detectors all pass filter phasor detector single phase AC system derivative quadrature generator low pass filter
Content Type	Text
Resource Type	Article

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