Chapter 9

Distributed energy resources and power electronics

Masahide Hojo    Department of Electrical and Electronic Engineering, Faculty of Engineering, Tokushima University, Japan


Most of the distributed energy resources (DERs) generate DC power or alternating current (AC) power with variable frequency but the power system is operated with an almost constant frequency. In order to inject electric power from DERs to a power system, a suitable power conversion has to be required. From the DC power source, the power conversion is provided by an inverter, which converts the electric power from DC to AC. On the other hand, the AC power with variable frequency is often converted to DC first, and then it is converted to the AC power by an ...

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