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Sensors 2011, 11(7), 6593-6602; doi:10.3390/s110706593
Article

An Optical AC Voltage Sensor Based on the Transverse Pockels Effect

* ,
,
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State Key Laboratory of Advanced Electromagnetic Engineering and Technology, College of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, 430074 Wuhan, China
* Author to whom correspondence should be addressed.
Received: 4 May 2011 / Revised: 9 June 2011 / Accepted: 10 June 2011 / Published: 27 June 2011
(This article belongs to the Section Physical Sensors)
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Abstract

This paper introduces an optical AC voltage sensor based on the transverse Pockels effect. The sensor utilizes a bulk Bi4Ge3O12 (BGO) crystal as the sensing element. The measurement principle has been described and prototype of the sensor has been constructed and evaluated. Good linearity and accuracy performance was obtained for AC voltage measurement. The proposed sensor can be thus applied to high AC voltage measurements in the electric power industry.
Keywords: optical voltage sensor; electro-optical crystal; Bi4Ge3O12; transverse Pockels effect optical voltage sensor; electro-optical crystal; Bi4Ge3O12; transverse Pockels effect
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Pan, F.; Xiao, X.; Xu, Y.; Ren, S. An Optical AC Voltage Sensor Based on the Transverse Pockels Effect. Sensors 2011, 11, 6593-6602.

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