Journal of Electrical Engineering : Volume 19 / 2019 - Edition : 2

Microgrid Laboratory for Educational and Research Purposes

Nicolae Muntean
industrial electrical power systems
The microgrid concept is widely adopted due to its facilities to mixt the renewable and conventional energy sources with loads and storage elements in an intelligent energy management system. Though, before it can be fully implemented to the real system, the microgrid solutions must be studied and tested in various conditions. This paper presents a DC configurable microgrid laboratory which offers the possibility of implementing the behavior and the control of microgrids, working on-grid or disconnected to the grid. The laboratory consists of three types of “hardware-in-the-loop” emulators which can simulate PV panels, wind and hydro energy generating systems. The conversion and storage elements are implemented with DC-DC and AC-DC converters, rechargeable batteries and supercapacitors. The control is ensured by digital programmable equipment, both for the components and the entire microgrid.
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