The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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A Synthetic Test Circuit for HVDC Thyristor Valve Test with Simplified Turn-Off Circuit of Auxiliary Thyristor

보조 사이리스터의 턴-오프 회로를 간소화한 HVDC 사이리스터 밸브 시험용 합성시험회로

  • Received : 2014.08.17
  • Accepted : 2014.08.28
  • Published : 2014.10.20
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Abstract

This study proposes a new synthetic test circuit (STC) for HVDC thyristor valve tests. The conventional STC with a 2-phase chopper requires a 3-phase transformer, a 3-phase diode rectifier, and an IGBT to facilitate the off state of an auxiliary thyristor. In the proposed STC, these three components are replaced with one diode and one resistor, which result in the simplified implementation of the hardware of the STC. Simulation and experimental results demonstrate the validity of the proposed scheme.

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References

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  8. E. C. Nho, B. M. Han, Y. H. Chung, S. T. Baek, and J. H. Jung, "Synthetic test circuit for thyristor valve in HVDC converter with new high-current source," IEEE Transactions on Power Electronics, Vol. 29, No. 7, pp. 3290-3296, Jul. 2014. https://doi.org/10.1109/TPEL.2013.2279716

Cited by

  1. Improved Current Source using Full-Bridge Converter Type for Thyristor Valve Test of HVDC System vol.20, pp.4, 2015, https://doi.org/10.6113/TKPE.2015.20.4.363