NDLI: Review: DC power supply of high voltage Active Electronic Current Transformer

Content Provider	IEEE Xplore Digital Library
Author	Wang, Haiming Reed, Gregory Jones, Alex K.
Copyright Year	2010
Description	Author affiliation: Department of Electrical and Computer Engineering, University of Pittsburgh, USA (Reed, Gregory; Jones, Alex K.) \|\| Hebei Normal University of Science and Technology, China (Wang, Haiming)
Abstract	The current status of DC power supply on the high voltage side of an Active Electronic Current Transformer (AECT) is reviewed. The characteristics of AECT structure determine that a DC power supply is an important part of the overall design with a strong impact on its performance. It is always a crucial problem for the AECT primary unit to harvest energy by a special power supply system on the high voltage (HV) side. The scheme of DC power supply based on CT power is currently a highlight for its mobile character, and the good adaption of the HV line environment. Another scheme of the DC supply, based on fiber and laser power, is rather mature and commercialized, although its system is of low energy efficiency and issues of life-span. In recent years, four typical innovation schemes have been proposed to improve the design of the DC power supply. The first novel scheme can meet the needs of recovery time and recovery current for AECT, by redesign and application of Lithium-ion battery technology in the scheme based on Power CT. The second scheme is the application of photovoltaic cells in the DC power supply, which picks up power from solar energy. The next novel scheme is the DC power supply based on a divider of a capacitor string, which takes energy from electric field of the HV power line. Finally the scheme of wireless power supply is reviewed. However, new schemes are being continuously developed and tested, not only for improvement of the DC power supply of AECT but also for prospective application in other HV active equipments.
Starting Page	1033
Ending Page	1039
File Size	473304
Page Count	7
File Format	PDF
ISBN	9781424463909
e-ISBN	9781424463923
DOI	10.1109/ISIE.2010.5636931
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power supplies Batteries Fiber lasers Power lasers Coils Voltage measurement Voltage control wireless power supply Electronic current transformer DC power supply high voltage side pick up energy power CT optical fiber lithium-ion battery solar energy
Content Type	Text
Resource Type	Article

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