Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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18-step Back-to-Back Voltage Source Converter with Pulse Interleaving Circuit for HVDC Application

  • Lee, Hye-Yeon (HVDC Research Team, LS Industrial Systems) ;
  • Jeong, Jong-Kyou (Department of Electrical Engineering Myongji University) ;
  • Lee, Ji-Heon (Department of Electrical Engineering Myongji University) ;
  • Han, Byung-Moon (Department of Electrical Engineering Myongji University) ;
  • Choi, Nam-Sup (Division of Electrical Electronic Communication and Computer Engineering, Chonnam National University) ;
  • Cha, Han-Ju (Department of Electrical Engineering, Chungnam National University)
  • Received : 2010.01.13
  • Accepted : 2010.03.09
  • Published : 2010.09.01
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Abstract

This paper proposes an 18-step back-to-back (BTB) voltage source converter using four sets of 3-Level converter modules with auxiliary circuits to increase the number of steps. The proposed BTB voltage source converter has the independent control capability of active power and reactive power at the interconnected ac system. The operational feasibility of the proposed BTB converter was verified through many simulations with PSCAD/EMTDC software. The feasibility of hardware implementation was verified through experimental results with a scaled hardware prototype. The proposed BTB converter could be widely applied for interconnecting the renewable energy source to the power grid.

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References

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