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New synthetic test circuit for testing thyristor valve in HVDC converter

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5 Author(s)
Hyun-Jun Kim ; Depart. Of Electrical Engineering, Myongji University, Seoul, Korea ; Do-Hyun Kim ; Byung-Moon Han ; Jae-Hun Jung
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This paper proposes a new synthetic test circuit to confirm the switching behavior of thyristor valve in HVDC converter. The proposed circuit consists of a 2-phase chopper with IGBT switch and auxiliary circuit to supplies low-voltage high current to the test valve during on-state. The operation of proposed circuit was verified through theoretical approach and computer simulation. Based on computer simulation results, a hardware scaled model for the proposed circuit was built and tested to confirm the feasibility of implementing a real test facility. The proposed synthetic test circuit could be widely used to test the thyristor valve with synthetic manner.

Published in:

2012 IEEE Energy Conversion Congress and Exposition (ECCE)

Date of Conference:

15-20 Sept. 2012