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http://dx.doi.org/10.6113/TKPE.2012.17.3.191

A New Synthetic Test Circuit for Testing Thyristor Valve in HVDC Converter  

Kim, Kyeong-Tae (Dept. of Electrical Eng., Myongji University)
Han, Byung-Moon (Dept. of Electrical Eng., Myongji University)
Jung, Jae-Hun (Dept. of Electrical Eng., Pukyong University)
Nho, Eui-Cheol (Dept. of Electrical Eng., Pukyong University)
Chung, Yong-Ho (HVDC Research Group, LS Industrial Systems)
Baek, Seung-Taek (HVDC Research Group, LS Industrial Systems)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.17, no.3, 2012 , pp. 191-197 More about this Journal
Abstract
This paper proposes a new synthetic test circuit (STC) to confirm the switching operation of thyristor valve in HVDC converter. The proposed STC uses a 6-pulse thyristor converter with 2-phase chopper as a high-current source to provide turn-on current to the test valve. The operation of proposed STC was verified through theoretical analysis and computer simulations. Based on computer simulations, a hardware scaled model was built and tested to confirm the feasibility of implementing a real-size test facility. The proposed system has an advantage of simple structure and operation over the existing system.
Keywords
STC(Synthetic Test Circuit); HVDC(High Voltage DC) transmission; 6-pulse thyristor converter 2-phase chopper; test valve; auxiliary switching circuit;
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  • Reference
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