Abstract

A new optical method for spatially resolved measurements of high electric field strengths in gas-insulated high voltage components is presented. The method utilizes the parity mixing phenomenon and the Stark effect in a trace gas (NH₃) added to the insulating gas (SF₆). The change in the optical properties of the trace gas when exposed to the electric field is probed using a CO₂ laser. Measurements on different electric field distributions have been made and compared to theoretical calculations using the finite element method. The use of the Stark effect is briefly reviewed, and methods for extending the range of measurements and further increasing the resolution are discussed.

© 1988 Optical Society of America

Measurements of electric field strength in gas insulated high-voltage components using infrared diode laser absorption spectroscopy

Svante Höjer, Henrik Ahlberg, and Stefan Lundqvist
Appl. Opt. 25(17) 2984-2987 (1986)

Laser Stark spectrometer for the measurement of ammonia in flue gas

Adriaan J. L. Verhage, Rudy A. Rooth, and Leo W. Wouters
Appl. Opt. 32(30) 5856-5866 (1993)

Resonant Stark spectrophone as an enhanced trace level ammonia concentration detector: design and performance at CO₂ laser frequencies

Hans Sauren, Dane Bicanic, Willy Hillen, Henk Jalink, Kees van Asselt, Jaco Quist, and Jörg Reuss
Appl. Opt. 29(18) 2679-2681 (1990)

Spatially resolved tunable diode-laser absorption measurements of CO using optical Stark shifting

K. Knapp and R. K. Hanson
Appl. Opt. 22(13) 1980-1985 (1983)

Fiber-coupled LED gas sensor and its application to online monitoring of ecoefficient dielectric insulation gases in high-voltage circuit breakers

Axel Kramer, Daniel Over, Patrick Stoller, and Thomas A. Paul
Appl. Opt. 56(15) 4505-4512 (2017)