Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Simultaneous measurement of current and voltage by use of one bismuth germanate crystal

Not Accessible

Your library or personal account may give you access

Abstract

An optical fiber sensor is presented that allows current and voltage to be measured simultaneously by use of only one block of bismuth germanate crystal. The polarized light from the sensing crystal is split into two light beams: One beam is utilized for current measurement based on the Faraday effect, and the other one is utilized for voltage measurement based on the Pockels effect. Compared with the existing optical sensors that can measure current and voltage simultaneously, this sensor is simple and inexpensive and allows measurement of electric power. The simultaneous measurements of ac electric current from 0.05 to 10 A, voltage from 1 to 235 V, and power from 2 to 1000 W have been achieved with good linear-response characteristics. The input characteristics and measurement uncertainties that are due to the nonlinear error of the sensing system are also discussed.

© 2002 Optical Society of America

Full Article  |  PDF Article
More Like This
Birefringence elimination of bismuth germanate crystal in quasi-reciprocal reflective optical voltage sensor

Xiujuan Feng, Lijing Li, Xiaxiao Wang, Chunxi Zhang, Jia Yu, and Chuansheng Li
Appl. Opt. 52(8) 1676-1681 (2013)

Single-crystal magneto-optic sensor with electrically adjustable sensitivity

Changsheng Li and Toshihiko Yoshino
Appl. Opt. 51(21) 5119-5125 (2012)

Fiber sensor for the simultaneous measurement of current and voltage in a high-voltage system

N. Rajkumar, V. Jagadeesh Kumar, and P. Sankaran
Appl. Opt. 32(7) 1225-1228 (1993)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (15)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved