A Highly Integrated and Reconfigurable Microgrid Testbed with Hybrid Distributed Energy Sources

Abstract

A highly integrated and reconfigurable microgrid testbed is presented in this paper. The microgrid testbed contains various distributed generation units and diverse energy storage systems. Apart from electrical power, it can also provide energy in forms of hydrogen and thermal energy. The topology of this testbed is very flexible with different combinations of buses and feeders. The deployment of hybrid distributed energy sources and the highly reconfigurable structure are available to meet different research requirements. Extensive experiments have been carried out to provide verification for microgrid research and guides for microgrid projects. Some experimental results are shown in this paper in several aspects of microgrid research, including performance evaluation of distributed energy sources, verification of control schemes in ac/dc hybrid microgrid, investigation of fault transients, and feasibility of protection schemes.