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Energies 2015, 8(9), 9009-9028; doi:10.3390/en8099009

Development of an Optimal Power Control Scheme for Wave-Offshore Hybrid Generation Systems

School of Electrical Engineering, Korea University, Seoul 136-713, Korea
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Author to whom correspondence should be addressed.
Academic Editor: William Holderbaum
Received: 28 May 2015 / Revised: 20 July 2015 / Accepted: 18 August 2015 / Published: 25 August 2015
(This article belongs to the Special Issue Control of Energy Storage)
View Full-Text   |   Download PDF [3225 KB, uploaded 25 August 2015]   |  

Abstract

Integration technology of various distribution systems for improving renewable energy utilization has been receiving attention in the power system industry. The wave-offshore hybrid generation system (HGS), which has a capacity of over 10 MW, was recently developed by adopting several voltage source converters (VSC), while a control method for adopted power conversion systems has not yet been configured in spite of the unique system characteristics of the designated structure. This paper deals with a reactive power assignment method for the developed hybrid system to improve the power transfer efficiency of the entire system. Through the development and application processes for an optimization algorithm utilizing the real-time active power profiles of each generator, a feasibility confirmation of power transmission loss reduction was implemented. To find the practical effect of the proposed control scheme, the real system information regarding the demonstration process was applied from case studies. Also, an evaluation for the loss of the improvement rate was calculated. View Full-Text
Keywords: hybrid generation system (HGS); reactive capability; reactive power assignment; power conversion system (PCS) control; voltage source converter (VSC) hybrid generation system (HGS); reactive capability; reactive power assignment; power conversion system (PCS) control; voltage source converter (VSC)
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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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Jung, S.; Jang, G. Development of an Optimal Power Control Scheme for Wave-Offshore Hybrid Generation Systems. Energies 2015, 8, 9009-9028.

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