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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 53-507
Full Name: Yadong Liu
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: No.800,Dongchuan Rd.,Minhang District,Shanghai,P.R.China
Country: CHINA
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E-mail address: liuyadong0916@163.com
Other E-mails: lyd@sjtu.edu.cn
Title of the Paper: Influence of GIS Structure on Propagation of Electromagnetic Waves of Partial Discharge
Authors as they appear in the Paper: Q. Li, W. B. Qiu, K. S. Cai, G. H. Sheng, Y. D. Liu, X. Q. Huang and X. C. Jiang
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Number of paper pages: 11
Abstract: - Partial discharge process caused by GIS typical insulation defect is mainly analyzed in this study, and propagation properties of electromagnetic waves in actual GIS structure are investigated by applying FDTD algorithm and using real PD current signal as excitation source. The results show that great difference occurs between electromagnetic waves excited by PD actual current signal and that by ideal Gaussian pulse excitation and basin type insulator, shielding electrodes and three-phase common enclosure can affect the amplitude, frequency component and propagation mode of electromagnetic waves. The electromagnetic waves signal intensity is not necessarily proportional to its distance from discharge source; the proportion of frequency components is proportional to the diameter of GIS shell when it propagate in breakers.
Keywords: PD; propagation of electromagnetic Waves; GIS; basin type insulator ; shielding electrode ; breaker
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