高压变频器输出差模滤波器设计和共模电压抑制

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Abstract Output voltage of high voltage VFD contains a large number of differential mode voltage harmonic component and high amplitude common mode voltage harmonics component, which leads to a severe increment of heating in the reactors and the motor windings. At the same time, it result in over-voltage, leakage current at the motor side, and cause great electromagnetic interference (EMI) to the system. In this paper the authors first analyze the harmonics’ characteristic is analrzed, and then introduce the design procedures of differential-mode filter are introduced. According to the two different structures at the DC side of VFD, two different common mode voltage suppressions are proposed. And the simulation results show the validity of these measures discussed above.

Key words： High voltage VFD differential-mode filter common-mode voltage common-mode suppression reactor

Received: 03 November 2010 Published: 07 March 2014

PACS:

TM464

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	Articles by authors
	Jia Guixi
	Zhou Xiaochang
	Li Hua

Cite this article:

Jia Guixi,Zhou Xiaochang,Li Hua. Differential-Mode Filter Design and Common-Mode Voltage Suppression at the High Voltage VFD Output Terminals[J]. Transactions of China Electrotechnical Society, 2011, 26(1增): 162-166.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I1增/162

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