NDLI: High frequency grid impedance analysis with three-phase converter and FPGA based tolerance band controller

Content Provider	IEEE Xplore Digital Library
Author	Knop, A. Fuchs, F.W.
Copyright Year	2009
Description	Author affiliation: Institute of Power Electronics and Electrical Drives, Christian-Albrechts-University of Kiel, D-24143, Germany (Knop, A.; Fuchs, F.W.)
Abstract	The electrical grid features show a frequency dependent impedance. To know their value in the frequency range between grid fundamental frequency and up to frequency's in the kHz-range is very useful. It contributes to optimize energy feed in as well as from decentralized converter equipped renewable sources. This paper presents an advanced frequency dependent impedance measurement system for the energized grid with a high frequency range. For these grid impedance measurements a fast switching three-phase high frequency converter with a fast and robust control is required. Control is carried out by a FPGA based tolerance band or hysteresis control. The power circuit for high frequency (up to 10 kHz) measuring current is presented and measurements are shown and analyzed.
Starting Page	286
Ending Page	291
File Size	1511555
Page Count	6
File Format	PDF
ISBN	9781424428557
DOI	10.1109/CPE.2009.5156048
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-20
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Switching converters Frequency dependence Impedance measurement Power measurement Current measurement Frequency conversion Frequency measurement Feeds Field programmable gate arrays
Content Type	Text
Resource Type	Article

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