Autonomous Micro-grid Design for Supplying Electricity in Carbon-Free Island

  • Hwang, Woo-Hyun ;
  • Kim, Sang-Kyu ;
  • Lee, Jung-Ho ;
  • Chae, Woo-Kyu ;
  • Lee, Je-Ho ;
  • Lee, Hyun-Jun ;
  • Kim, Jae-Eon
  • Received : 2014.02.06
  • Accepted : 2014.03.07
  • Published : 2014.05.01


In island and backcountry areas, electrical power is usually supplied by diesel generators. It is difficult for small scale diesel generators to have an economy of scale owing to the usage of fossil fuels to produce electricity. Also, there is a problem of carbon dioxide emissions that brings some environmental pollution to the entire region of the area. For solving those, this paper proposes a design method of autonomous micro-grid to minimize the fossil fuels of diesel generator, which is composed of diesel generator, wind turbine, battery energy storage system and photovoltaic generation system. The proposed method was verified through computer simulation and micro-grid operation system.


Micro-grid;Hybrid generation;Autonomous operation;Photovoltaic generator;Wind turbine;Diesel generator;Carbon-Free Island


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