What is it about?
This paper presents state of arts on pumped energy storage system technology and its AC-DC interface topology, modelling, simulation and control analysis. The report provides information on the existing global capacities, technological development, topologies and control strategies of pumped storage system. The report also outlines the analysis of dynamic performances of the system. It also attempts to recommend the future works in this area.
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Why is it important?
Pumped storage hydropower plants can contribute to a better integration of intermittent renewable energy and to balance generation and demand in real time by providing rapid response generation. The utilization of variable-speed pump-turbine units with doubly-fed induction (DFIM) are being progressively applied due to its overall efficiency and high level of operating flexibility. The paper explores that pumped storage is the most suitable technology for small autonomous island grids and massive energy storage, where the energy efficiency of pumped storage varies in practice. The pumped storage plant is dedicated to the power management and stability regulation of the grid and isolated power systems.
Perspectives
Writing this paper was a nice pleasure as it has coauthors with whom I have had long standing contacts since then.
Girmaw Teshager Bitew
North China Electric Power University
Read the Original
This page is a summary of: Pumped energy storage system technology and its AC–DC interface topology, modelling and control analysis: a review, The Journal of Engineering, March 2019, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/joe.2018.8379.
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