Title :
The analysis on propagation characteristics of electromagnetic waves excited by PD in GIS
Author :
Gaofeng, Xu ; Caixin, Sun ; Ju, Tang ; Zhide, Tang ; Jian, Li
Author_Institution :
Key Lab. of High Voltage Eng. & Electr. New Technol., Minist. of Educ., Chongqing, China
Abstract :
The propagation characteristics of the electromagnetic waves excited by partial discharge (PD) in gas insulated substation (GIS) are analyzed in detail in this paper. The results of the analysis show that electromagnetic waves excited by PD propagate in GIS not only in the transverse electric and magnetic mode (TEM), but also in the high order modes-transverse electric (TE) and transverse magnetic(TM), and that the duration of TE and TM is much longer than that of PD impulse in GIS, and that the leakage of electromagnetic waves will increase owing to supporting insulator, which benefits the method of external antenna to receive UHF signal to detect PD in GIS
Keywords :
electromagnetic wave propagation; electromagnetic waves; gas insulated substations; insulation testing; partial discharges; GIS; UHF signal reception; electromagnetic wave excitation; electromagnetic waves leakage; external antenna; gas insulated substation; partial discharge; propagation characteristics; transverse electric mode; transverse magnetic mode; Electromagnetic analysis; Electromagnetic propagation; Electromagnetic scattering; Gas insulation; Geographic Information Systems; Magnetic analysis; Partial discharges; Signal analysis; Substations; Tellurium;
Conference_Titel :
Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on
Conference_Location :
Himeji
Print_ISBN :
4-88686-053-2
DOI :
10.1109/ISEIM.2001.973675
