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Electrical and Computer Engineering

University of Wisconsin Milwaukee

Theses/Dissertations

2015

ESS

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Energy Neutral Operation Method For Hybrid Energy Storage Integrated With Wind Farm Using C-Rate And Frequency Spectrum Analysis, Young Jun Seo May 2015

Energy Neutral Operation Method For Hybrid Energy Storage Integrated With Wind Farm Using C-Rate And Frequency Spectrum Analysis, Young Jun Seo

Theses and Dissertations

In this thesis, the author describes various evaluation criteria, in particular the C-rate (charge/discharge-rate), of energy storage (ES) systems to explain the efficiency and technical benefits of battery-ultracapacitor hybrid energy storage (HES), and the technical characteristics of subsequently derived short-duration and long-duration type ES. In addition, for effective use of energy storage, a straightforward state of charge (SOC) correction method for energy neutral operation is proposed, and through a simple comparative example of ES operation, the effectiveness of HES in relation to simple ES is explained. A case is considered in which a hybrid ES controls the wind power ramp …