This paper systematically reviews the basic principles and research progress of current mainstream energy-storage technologies, providing an in-depth analysis of the characteristics and differences of various technologies.
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In this article we discuss how inverters work, includ-ing string, or single-phase, and central, 3-phase inverters; explore major inverter functions, key components, designs, controls, protections and com-munication; and theorize about future inverter technology.
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