±1 100kV特高压多端馈入直流系统协调控制

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Abstract Multi-terminal direct current system (MTDC) connects a plurality of converter station. Coordinated control is necessary between converter stations. Combining ±1 100kV UHVDC transmission project,a HVDC transmission system including one single sending-end and two receiving-ends in-feed is researched. In the case of constant firing angle of the sending-end, factors influencing the extinction angle are analyzed. In ensuring adequate extinction angle case,propose a master-slave control strategy based on current margin, achieving coordination between each converter station. A corresponding double- terminals infeed MTDC model is built and simulated in PSCAD/EMTDC. Simulation results show the effectiveness of the proposed control method.

Key words： Multi-terminal infeed direct current, coordinated control, current margin, master-slave control

Published: 04 January 2017

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TM726

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	Articles by authors
	Du Xu¹
	Han Minxiao¹
	Tian Chunzheng²
	Si Ruihua²
	Zhang Xin³

Cite this article:

Du Xu¹,Han Minxiao¹,Tian Chunzheng²等. Coordinated Control Research of ±1 100kV Ultra High Voltage Multi-Terminal Direct Current System[J]. Transactions of China Electrotechnical Society, 2016, 31(增刊): 176-183.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I增刊/176

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