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Wide Frequency Band DC Corona Current Measurement and Analysis of Bundle Conductor Based on UHV Corona Cage

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Abstract:

A wide frequency band DC corona current measurement system is introduced in this paper. GPS technology is applied to make sure that the voltage and current signal are collected synchronously. The wide band corona current signal is transmitted to the lower computer by the wireless network of 300M/s. The wide frequency band DC corona current waveform was gained in the Ultra High Voltage (UHV) Test Base in Wuhan, which can reflect the high frequency pulses of the corona current, and corona currents of 6 bundle conductor LGJ630-45 in dry and rain (rain rate 20mm/h) conditions are gained. The corona current in the rain condition is much larger than that in the dry condition.

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Periodical:

Advanced Materials Research (Volumes 718-720)

Pages:

600-604

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.600

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Online since:

July 2013

Authors:

Fang Cheng Lü, Lei Zhu, Yun Peng Liu, Qing Zhong Geng, Jun Zhu, Hang Juan Dai, Xiong Jie Xie

Keywords:

Corona Cage, GPS Synchronization, UHV, Wide Frequency Band Current, Wireless Network

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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