并联型有源次同步振荡抑制器阻尼控制策略优化设计

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Abstract

The parallel active subsynchronous oscillation suppressor technology based on the voltage source converter has caused wide public attentions over recent years.The double frequency damping control strategy of the existing parallel active subsynchronous oscillation suppressor(ASS) neglects the shunt ratio for the subsynchronous current and the supersynchronous current.Therefore,its optimal damping ability cannot be achieved.Aiming at this problem,the fundamental principle of the ASS has been analyzed firstly.And then the single frequency modulation method injecting the subsynchronous current or the supersynchronous current,as well as its corresponding parameter design method,has been proposed.For different systems,suppression effects of different damping control strategies have been analyzed.Then the design method of the ASS optimal damping control strategy is proposed.Transmission systems of generator with fixed series capacitor compensation and high voltage direct current are built in PSCAD/EMTDC respectively.Simulations are carried out and results show that the design and analysis of the optimal damping control strategy are effectiveness.

Key words： Voltage source converter subsynchronous oscillation subsynchronous current supersynchronous current damping control strategy optimization

Received: 25 May 2015 Published: 21 November 2016

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TM712

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	Articles by authors
	Luo Chao
	Xiao Xiangning
	Zhang Jian
	Yang Wenchao
	Chen Pengwei

Cite this article:

Luo Chao,Xiao Xiangning,Zhang Jian等. The Optimal Damping Control Strategy Design of Parallel Active Subsynchronous Oscillation Suppressor[J]. Transactions of China Electrotechnical Society, 2016, 31(21): 150-158.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I21/150

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