Development of an Active Power Reserve Management Method for DC Applied Wave-Wind Combined Generation Systems

Seungmin Jung, Yeuntae Yoo, Hyunwook Kim, Jae-Hyeong Lee, Minhan Yoon and Gilsoo Jang
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Seungmin Jung: School of Electrical Engineering, Korea University, Seoul 136-713, Korea
Yeuntae Yoo: School of Electrical Engineering, Korea University, Seoul 136-713, Korea
Hyunwook Kim: School of Electrical Engineering, Korea University, Seoul 136-713, Korea
Jae-Hyeong Lee: School of Electrical Engineering, Korea University, Seoul 136-713, Korea
Minhan Yoon: Department of Electrical and Computer Engineering, Seoul National University, Seoul 151-742, Korea
Gilsoo Jang: School of Electrical Engineering, Korea University, Seoul 136-713, Korea

Energies, 2015, vol. 8, issue 11, 1-17

Abstract: A system that combines a wind turbine and a wave generator can share the off-shore platform and therefore mix the advantages of the transmission system construction and the power conversion system. The current hybrid generation system considers output limitation according to the instructions of the transmission system operator (TSO), and controls the profile using wind turbine pitch control. However, the integrated wave generation system utilizing a DC network does not adapt a power limitation scheme due to its mechanical constraints. In this paper, a control plan focusing on the electrical section of wave generators is formed in order to effectively manage the output profile of the hybrid generation system. The plan pays attention to power reserve flexibility for the utility grid using the analysis of the controllable elements. Comparison with the existing system is performed based on real offshore conditions. With the help of power system computer aided design (PSCAD) simulation, the ability of the novel technique is estimated by proposing the real power control based on the reference signal of TSO and the reactive power capacity it produces.

Keywords: combined source; voltage sourced converter (VSC); reactive power reserve (RPR); DC network; wave-offshore (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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