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

The Korean Institute of Power Electronics (전력전자학회)
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A Strategy of Increasing the Wind Power Penetration Limit with VSC Type MMC-HVDC in Jeju Power System

전압형 MMC-HVDC에 의한 제주계통의 풍력한계용량 증대 방안

  • Lee, Seungmin (Faculty of Wind Energy Engineering Graduate School, Jeju National University) ;
  • Kim, Eel-Hwan (Department of Electrical Engineering, Jeju National University) ;
  • Kim, Ho-Min (Faculty of Wind Energy Engineering Graduate School, Jeju National University) ;
  • Chae, Sang-Heon (Faculty of Applied Energy System, Jeju National Univ.) ;
  • Quach, Ngoc-Thinh (Dept. of Electrical Engineering, Can Tho Univ.)
  • Received : 2015.09.25
  • Accepted : 2015.10.26
  • Published : 2015.12.20
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Abstract

The Jeju Special Self-Governing Province is currently promoting the "Carbon-free Island by 2030" policy, which requires the use of renewable energy instead of fossil fuel so that the island will have no carbon gases generated by 2030. To implement this policy, the island plans to build a wind power plant capacity of 1.09 GW in 2020; this wind power plant is currently ongoing. However, when wind power output is greater than the power demand of the island, the stability of Jeju Island power system must be prepared for it because it can be a problem. Therefore, this study proposes a voltage source-type MMC-HVDC system linked to mainland Korea to expand the wind power penetration limits of Jeju Island under the stable operation of the Jeju Island power system. To verify the effectiveness of the proposed scheme, computer simulations using the PSCAD/EMTDC program are conducted, and the results are demonstrated. The scenarios of the computer simulation consist of two cases. First, the MMC-HVDC system is operated under variable wind power in the Jeju Island power system. Second, it is operated under the predicted Jeju Island power system in 2020.

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References

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