Measurement of Transmission Line Galloping Based on Monocular Visual Analysis Method

doi:10.11930/j.issn.1004-9649.2016.02.054.07

Abstract

Abstract: Monocular visual analysis method is applied in measuring parameters of transmission line galloping in this paper. The comparison experiments on gallop test machine and small test line demonstrate high measurement accuracy of proposed method. The mismatch of frequency and amplitude measurement is less than 1% and 3%, respectively. The experiment data shows applicability and effectiveness of proposed method. Detailed analysis of two 500 kV galloping events of real size test transmission line are performed. Some parameters are obtained including amplitude, frequency, order, dynamic trajectories and two-dimensional section of feature points. Those results provide reference for design of 500 kV transmission line structure and anti-galloping device. The method and conclusion in this paper provide basic method and data support for galloping prevention and galloping mechanism study.

Key words: galloping, monocular visual analysis, real overhead transmission line, characteristic parameters, measurement

CLC Number:

TM752+.5

SHAO Yingbiao, YANG Wei, LV Zhongbin, SONG Gaoli, XIE Kai, ZHENG Hanbo. Measurement of Transmission Line Galloping Based on Monocular Visual Analysis Method[J]. Electric Power, 2016, 49(2): 54-60.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2016.02.054.07

https://www.electricpower.com.cn/EN/Y2016/V49/I2/54

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