接触网电压相位检测在电子开关带载过分相系统中的应用与研究

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Abstract In the electronic-switching passing neutral section system, the dead time of no power supply for locomotive is very short. The phase of contact voltage must be measured should be accuracy and fast. In this paper, several common voltage tracking algorithm are research. Simulation results show that the zero crossing detection and phase-locked loop are not suit for the electronic-switching passing neutral section system voltage phase detector, meanwhile weighted least squares method detect the voltage phase and frequency fast and accuracy,even when there are harmonics in the voltage wave. This algorithm is used in experiment, the voltage phase detection methods, and results verify the analysis is effective in this paper.

Key words： keywords：Passing neutral section power electronics switching PLL Fourier weighted least-squares estimation

Received: 21 September 2012 Published: 12 December 2013

PACS:

TM922.5

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	Articles by authors
	Ran Wang
	Trillion Q.Zheng
	Ma Haoyu
	Li Xiong
	Liu Bing

Cite this article:

Ran Wang,Trillion Q.Zheng,Ma Haoyu等. Application and Research of Phase Acquisition for Catenary Voltage in Electronic-Switching Passing Neutral Section System[J]. Transactions of China Electrotechnical Society, 2013, 28(1增): 231-236.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I1增/231

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