NDLI: Non-intrusive voltage measurement of ac power lines for smart grid system based on electric field energy harvesting

Content Provider	IET Digital Library
Author	Kang, S. Yang, S. Kim, H. H.
Abstract	A new non-intrusive ac voltage measurement technique based on stray electric filed energy harvesting is presented whereby the voltage of ac power lines can be measured without removing insulation and therefore without direct contact with conductors of the power lines. The energy of electric field around the power lines is picked up and stored in a capacitor by a wire wound around insulated 3-wire household power lines or by a conductor plate placed in the vicinity of overhead high-voltage power lines. Autonomous switches are used to monitor the stored electric field energy in a storage capacitor and to generate pulse train. Experimental results show that the repetition rate of the output pulse is a linear function of the line voltage. Since the voltage of insulated 3-wire household power line can be measured without removing insulation and the voltage of high-voltage power transmission line can be measured without any contact to the conductor of the power line, the proposed technique can be widely applied to smart grid system.
Starting Page	181
Ending Page	183
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 3, Feb (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.3935
Journal	Electronics Letters
Publisher	The Institution of Engineering and Technology
Publisher Date	2016-12-21
Access Restriction	Open
Rights License	Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/)
Subject Keyword	AC Power Line Autonomous Switches Conductor Plate Energy Harvesting High-voltage Power Transmission Line Insulated 3-wire Household Power Line Nonintrusive AC Voltage Measurement Technique Output Pulse Repetition Rate Overhead High-voltage Power Line Overhead Power Line Power Line Conductor Power Overhead Line Smart Grid System Smart Power Grid Storage Capacitor Stored Electric Field Energy Stray Electric Filed Energy Harvesting
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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