Title :
Using a sensitive optical system to analyze gases dissolved in samples extracted from transformer oil
Author :
Fu Wan ; Qu Zhou ; Jingxin Zou ; Zhaoliang Gu ; Weigen Chen ; Caisheng Wang
Author_Institution :
State Key Lab. of Power Transm. Equip. & Syst. Security & New Technol., Chongqing Univ., Chongqing, China
Abstract :
A sensitive optical system which can be used to measure accurately the concentrations of fault gases dissolved in samples extracted from transformer oil is described, and some test results are presented.
Keywords :
chemical variables measurement; fault diagnosis; infrared spectroscopy; measurement by laser beam; transformer oil; dissolved gas detection system; fault gas concentration; sensitive optical system; transformer oil; Cavity resonators; Dissolved gas analysis; Oil insulation; Optical variables measurement; Quantum cascade lasers; Resonant frequency; Transformers; Dissolved gas analysis; cavity-enhanced absorption spectroscopy; frequency locking; measurement sensitivity; mid-infrared;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2014.6882596
