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Energies 2015, 8(8), 8193-8210; doi:10.3390/en8088193

Design and Field Tests of an Inverted Based Remote MicroGrid on a Korean Island

1
Research Institute, Korea Electric Power Corporation, Daejeon 305-760, Korea
2
School of Electrical Engineering, Chungbuk National University, Chungbuk 361-763, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: William Holderbaum
Received: 14 May 2015 / Revised: 29 June 2015 / Accepted: 27 July 2015 / Published: 5 August 2015
(This article belongs to the Special Issue Control of Energy Storage)
View Full-Text   |   Download PDF [1093 KB, uploaded 5 August 2015]   |  

Abstract

In this paper, we present the results of an economic feasibility study and propose a system structure to test and maintain electrical stability. In addition, we present real operation results after constructing a remote microgrid on an island in South Korea. To perform the economic feasibility study, a commercial tool called HOMER was used. The developed remote microgrid consists of a 400 kW wind turbine (WT) generator, 314 kW photovoltaic (PV) generator, 500 kVA × 2 grid forming inverter, 3 MWh lithium ion battery, and an energy management system (EMS). The predicted renewable energy fraction was 91% and real operation result was 82%. The frequency maintaining rate of the diesel power plants was 57% but the remote microgrid was 100%. To improve the operating efficiency of the remote microgrid, we investigated the output range of a diesel generator. View Full-Text
Keywords: microgrid; wind turbine; remote; island; hybrid power system; battery; HOMER; feasibility study microgrid; wind turbine; remote; island; hybrid power system; battery; HOMER; feasibility study
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chae, W.-K.; Lee, H.-J.; Won, J.-N.; Park, J.-S.; Kim, J.-E. Design and Field Tests of an Inverted Based Remote MicroGrid on a Korean Island. Energies 2015, 8, 8193-8210.

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