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

Energies

Seungmin Jung²  Gilsoo Jang¹ 

[1] School of Electrical Engineering, Korea University, Seoul 136-713, Korea; E-Mail

关键词: hybrid generation system (HGS);    reactive capability;    reactive power assignment;    power conversion system (PCS) control;    voltage source converter (VSC);   

DOI  :  10.3390/en8099009

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.