基于完全电压补偿法的SMES用于抑制电压暂降的参数设计

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Abstract Voltage Sag is one of the most serious power quality problems, which happens frequently and always causes big economic loss. SMES can adjust the input and output power in four quadrants, which combines the superconducting magnet with the power electronic converter. So the SMES can restrain voltage sag quickly. However, because of the stability of superconducting magnetic(SM), there is a limit for the current in the SM. This paper studies the initial parameters of the SMES, which correspond to the minimum energy, when using SMES to restrain voltage sag by the complete voltage compensation method. This paper proposes the initial parameters choosing rules based on the characteristic of the SM. And then, the time-domain simulation models are established by using the software PSCAD/EMTDC to verify the rationality and utility of the proposed rules.

Key words： Superconducting magnetic energy storage (SMES) voltage sag complete voltage compensation parameters design time-domain simulation

Received: 01 November 2010 Published: 07 March 2014

PACS:

TM712T

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	Song Xudong
	Xiang Tieyuan

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Song Xudong,Xiang Tieyuan. Parameters Design of the SMES for Suppressing Voltage Sag Based on Complete Voltage Compensation[J]. Transactions of China Electrotechnical Society, 2011, 26(10): 62-67.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I10/62

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