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Implementation of a Microgrid Scheme Using a MVDC Connection between Gapado Island and Marado Island in South Korea

Author

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  • Jinhong Ahn

    (Department of Electrical Engineering, College of Engineering, Jeju National University, Jeju 63243, Korea)

  • Eel-Hwan Kim

    (Department of Electrical Engineering, College of Engineering, Jeju National University, Jeju 63243, Korea)

Abstract

In this paper, we propose a microgrid (MG) implementation method through Medium-Voltage Direct Current (MVDC) connection between Gapado Island and Marado Island in Korea. MVDC is a facility that can be efficiently applied between small power generation complexes. The structure of power generation facilities is mainly supplied by diesel generators, while solar and wind power generators supply additional power. An Energy Storage System (ESS) is also used to reduce the output fluctuations of wind and solar power generation. Since power systems in such areas are low-voltage and low-power distribution systems, problems can arise in terms of power management due to power generators with variable output characteristics such as solar power and wind power generators. In addition, when a major power source such as a diesel generator is dropped, the power system collapses. However, these problems can be solved by interchanging the power between the micro-grids through the connection of MVDCs. With the MVDC connected, we verify the impact of the power system on Marado Island and Gapado Island due to the input and opening of solar, wind and diesel generators. The proposed configuration uses the PSCAD/EMTDC simulation program.

Suggested Citation

  • Jinhong Ahn & Eel-Hwan Kim, 2019. "Implementation of a Microgrid Scheme Using a MVDC Connection between Gapado Island and Marado Island in South Korea," Energies, MDPI, vol. 12(1), pages 1-22, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:1:p:187-:d:195610
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    References listed on IDEAS

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    1. Wei Deng & Wei Pei & Luyang Li, 2018. "Active Stabilization Control of Multi-Terminal AC/DC Hybrid System Based on Flexible Low-Voltage DC Power Distribution," Energies, MDPI, vol. 11(3), pages 1-20, February.
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