自由导电微粒受迫运动过程与振动特性

doi:10.19595/j.cnki.1000-6753.tces.180782

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Abstract In order to solve the inhibition and detection problem of conductive particles (hereinafter referred to as particles) in gas insulated metal-enclosed transmission lines (GIL), the motion process of forced particle and its vibration characteristics in AC electric field were studied with reference to the withstand voltage test procedure. Particle movement process in power frequency electric field was obtained through experiment, and then a particle moving model was established to analyze the particle forced vibration characteristic, and the influence regulation of AC electric field excitation on particle vibration was analyzed. Factors affecting particle vibration characteristics include voltage amplitude, voltage frequency, and initial phase angle. When the particle moves without through the gap, its collision frequency decreases with the increase of electric field, and collision randomness increases. When the particle moves through the gap, its collision frequency increases with increasing electric field. The particle collision frequency decreases with the increase of power frequency under the lift-off electric field, and the collision randomness also increases. The initial phase angle has less influence on the particle jump amplitude, and particle collision frequency has a certain symmetry when the initial angle is 0°~180° and 180°~360°.

Key words： Metal particles high voltage power transmission gas insulated collision discharge

Received: 14 April 2018 Published: 27 November 2018

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TM855

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	Articles by authors
	Sun Jixing
	Dai Qi
	Bian Kai
	Li Zhibing
	Chen Weijiang

Cite this article:

Sun Jixing,Dai Qi,Bian Kai等. Forced Movement Process and Vibration Characteristics of Free Conductive Particle[J]. Transactions of China Electrotechnical Society, 2018, 33(22): 5224-5232.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180782 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I22/5224

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