Title :
Finite Element simulation based sensitivity analysis of UHF sensing modes for PD detection
Author :
Li Sufei ; Hu Yue ; Ye Haifeng ; Sheng Gehao ; Jiang Xiuchen ; Bai Wangjian ; Chen Jing
Author_Institution :
Dept. of Electr. Eng., Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
Ultra-High-Frequency (UHF) method is an effective approach to PD detection. Currently the UHF couplers applied for partial discharge monitoring are classified into three types according to their installation places: internal couplers, external couplers and dielectric window couplers. Sensitivity analysis of these three sensing modes is carried out based on Finite Element Method simulation by using real GIS model. Simulation results indicate that the sensitivity of dielectric window couplers are nearly equivalent with that of internal couplers, while it apparently exceeds the sensitivity of external ones. Considering some other advantages of dielectric window sensors such as easy dismantling, having no impact on electrical equipment operating, convenience for maintenance, the article proposes to popularize dielectric window sensing mode for UHF PD detection.
Keywords :
electric connectors; finite element analysis; partial discharges; sensitivity analysis; GIS model; UHF PD detection; UHF sensing modes; dielectric window couplers; dielectric window sensing mode; dielectric window sensors; electrical equipment; external couplers; finite element method simulation; finite element simulation; internal couplers; maintenance; partial discharge monitoring; sensitivity analysis; ultra-high-frequency method; Couplers; Cutoff frequency; Dielectrics; Electromagnetic waveguides; Gas insulation; Partial discharges; Sensors; dielectric window; finite element; partial discharge(PD); sensitivity; ultra-hig-frequency(UHF);
Conference_Titel :
Condition Monitoring and Diagnosis (CMD), 2012 International Conference on
Conference_Location :
Bali
Print_ISBN :
978-1-4673-1019-2
DOI :
10.1109/CMD.2012.6416372
