TCSC次同步谐振附加阻尼控制器

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Abstract The thyristor controlled series capacitor (TCSC) can provide inductive reactance under subsynchronous frequencies. However, in a hybrid system which includes both conventional fixed series compensation and TCSC, disturbances may still excite torsional modes. A supplementary damping controller of TCSC is designed to provide active electrical damping for SSR mitigation. The design method is base on phase compensation principle and the procedure for the syntheses of the controller is presented in detail. The effectiveness of the controller is validated using modified IEEE SSR first benchmark model both in frequency domain and time domain. The simulation results indicate that the proposed controller is effective to mitigate SSR.

Key words： Subsynchronous resonance (SSR) thyristor controlled series capacitor (TCSC) supplementary damping controller phase compensation test signal method

Received: 18 January 2009 Published: 07 March 2014

PACS:	TM712
	TM761

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	Zheng Xiang
	Xu Zheng
	Zhang Jing

Cite this article:

Zheng Xiang,Xu Zheng,Zhang Jing. A TCSC Supplementary Damping Controller for SSR Mitigation[J]. Transactions of China Electrotechnical Society, 2011, 26(2): 181-186.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I2/181

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