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

Seungmin Jung and Gilsoo Jang
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Seungmin Jung: School of Electrical Engineering, Korea University, Seoul 136-713, Korea
Gilsoo Jang: School of Electrical Engineering, Korea University, Seoul 136-713, Korea

Energies, 2015, vol. 8, issue 9, 1-20

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.

Keywords: hybrid generation system (HGS); reactive capability; reactive power assignment; power conversion system (PCS) control; voltage source converter (VSC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
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