Journal of the Korean Institute of Intelligent Systems (한국지능시스템학회논문지)

Korean Institute of Intelligent Systems (한국지능시스템학회)
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Development of Efficient Operational Mode for Wind-Diesel Hybrid System

  • Asghar, Furqan (School of Electronics and Information Engineering, Kunsan National Univ.) ;
  • Kim, Se-Yoon (School of Electronics and Information Engineering, Kunsan National Univ.) ;
  • Kim, Sung Ho (Department of Control and Robotics Engineering, Kunsan National Univ.)
  • Received : 2014.07.15
  • Accepted : 2014.09.15
  • Published : 2014.10.25
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Abstract

Hybrid wind Diesel stand-alone power systems are considered economically viable and effective to create balance between production and load demand in remote areas where the wind speed is considerable for electric generation, and also, electric energy is not easily available from the grid. In Wind diesel hybrid system, the wind energy system is the main constitute and diesel system forms the back up. This type of hybrid power system saves fuel cost, improves power capacity to meet the increasing demand and maintains the continuity of supply in the system. Problem we face in this system is that even after producing enough power through wind turbine system, considerable portion of this power needs to be dumped due to short term oversupply of power and to maintain the frequency within close tolerances. As a result remaining portion of total energy supplied comes from the diesel generator to overcome the temporal energy shortage. This scenario decreases the overall efficiency of hybrid power system. In this study, efficient Simulink modeling for wind-diesel hybrid system is proposed and some simulations study is carried out to verify the feasibility of the proposed scheme.

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References

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