新型双馈入直流输电系统供电无源网络的运行特性研究

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Abstract A novel double-infeed HVDC system, combining a conventional high voltage direct current transmission (HVDC) and voltage-source converter based HVDC (VSC-HVDC), is proposed in this paper for supplying an entirely passive AC network. The detailed model for starting HVDC using VSC-HVDC is provided and control strategies of the whole system are designed. Aiming to validate the steady state and dynamic performance of the double-infeed HVDC system, the process of starting HVDC using VSC-HVDC and the dynamic performance of double-infeed HVDC when three-phase to ground fault occurring at HVDC inverter side are investigated. PSCAD/EMTDC Simulation results show that, the proposed double-Infeed HVDC system can supply power to passive network and it also has favorable dynamic and fault-restoration performance.

Key words： Double-infeed HVDC HVDC VSC-HVDC passive network control strategy

Received: 18 January 2011 Published: 20 March 2014

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TM721

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	Guo Chunyi
	Zhao Chengyong
	Wang Jing

Cite this article:

Guo Chunyi,Zhao Chengyong,Wang Jing. Operation Characteristic Research on Novel Double-Infeed HVDC System Supplying Passive Network[J]. Transactions of China Electrotechnical Society, 2012, 27(11): 211-218.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I11/211

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