KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	A Study on Three Parallel Operation Control Algorithm of Thyristor Dual Converter System for Urban Railway Substation
Authors	김성안(Kim, Sung-An) ; 한성우(Han, Sung-Woo) ; 조윤현(Cho, Yun-Hyun)
DOI	https://doi.org/10.5370/KIEE.2017.66.2.459
Page	pp.459-467
ISSN	1975-8359
Keywords	Thyristor dual converter system ; Three parallel operation ; Urban railway substation ; Voltage control ; Current control
Abstract	An urban railway power substation consists of three thyristor dual converters. Two converters are connected to up and down trolley line to supply the electric energy or feed the regenerative energy back to the distribution. When the two converters break down, the remaining converter is used in an emergency. One thyristor dual converter system (TDCS) manages the energy of two or three railway stations. If the TDCS fails, the trains stop operating. To solve the problem, this paper proposes the three parallel operation control algorithm of thyristor dual converter system using the emergency converter. The broken TDCS can be replaced by the emergency converter in other TDCS. The effectiveness of this proposed control is verified by simulation.

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