NDLI: The compare of different 750 kV transmission lines from Manping to Lanzhou

Content Provider	IEEE Xplore Digital Library
Author	Huang Yanyan Deng Qiuquan Shi Wei
Copyright Year	2002
Description	Author affiliation: High Voltage Div., Xi'an Jiaotong Univ., China (Huang Yanyan)
Abstract	In this paper, an analysis of the simplified equivalent circuit and an EMTP simulation study are presented, based on the programming of the 750 kV power transmission system in Northwest of China in 2005. With different types of transmission lines, surface gradients and power frequency overvoltages are studied and the preferred one is given. The surface gradient is one of the important parameters to evaluate the corona discharge performance. When its level exceeds certain value, it may initiate corona that results in corona loss, audible noise, radio interference etc., so a new method is used to get its value. The complicated trend of power frequency over-voltage is explained also.
Sponsorship	IEEE Power Eng. Soc. (IEEE PES) Chinese Soc. Electr. Eng. (CSEE) China Electric Power Res. Inst. IEEE/PES Beijing Chapter
Starting Page	380
Ending Page	382
File Size	292490
Page Count	3
File Format	PDF
ISBN	0780374592
DOI	10.1109/ICPST.2002.1053570
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmission lines Corona Power transmission lines Distributed parameter circuits Surface discharges Frequency Equivalent circuits EMTP Analytical models Circuit simulation
Content Type	Text
Resource Type	Article

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