This paper reviews some of the available energy storage technologies for microgrids and discusses the features that make a candidate technology best suited to these applications.
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Energy storage technologies absorb and store energy, and release it on demand. This includes gravitational potential energy (pumped hydroelectric), chemical energy (batteries), kinetic energy (flywheels or com- pressed air), and energy in the form of electrical (capacitors) and.
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Compressors, expanders, thermal storage devices and air storage facilities are the core components of CAES, and their design optimization, off-design operating performance and regulation technologies are crucial to high-performance operation of the system.
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