混合串联补偿装置抑制次同步谐振的研究

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Abstract This paper analyzes the principle of hybrid series compensator (HSC), which is composed by static synchronous series compensator (SSSC) and fixed series capacitor (FSC). The impact of installation location and compensation ratio of HSC on electrical damping is studied. Results show HSC can weaken but can’t damp out the SSR problems without active damping. The principle of SSSC to actively damp sub-synchronous resonance (SSR) is proposed, which is realized by modulating the voltage (reactance) reference value of SSSC sub-synchronously, and then injecting voltage with appropriate amplitude and phase so as to generate the current components of the complementary frequencies and produce corresponding damping torque of generator. Based on this principle, active damping controller is designed. Complex torque coefficient method and time domain simulation results show that HSC can damp SSR effectively with active damping strategy.

Key words： Hybrid series compensator static synchronous series compensator fixed series capacitor sub-synchronous resonance active damping controller

Received: 19 January 2010 Published: 04 March 2014

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TM71

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	Articles by authors
	Gao Benfeng
	Xiao Xiangning
	Zhao Chengyong
	Guo Chunlin
	Zhao Yang

Cite this article:

Gao Benfeng,Xiao Xiangning,Zhao Chengyong等. Study of Hybrid Series Compensator on Sub-Synchronous Resonance Damping[J]. Transactions of China Electrotechnical Society, 2010, 25(11): 142-147.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I11/142

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