Interface and Stability Issues for SISO and MIMO Power Hardware in the Loop Simulation of Distribution Networks with Photovoltaic Generation

Abstract

The Power Hardware-in-the-Loop (PHIL) simulation can be used to determine the dynamic behaviour of renewable energy sources feeding into a grid before deployment. This article shows the necessary prerequisites for achieving stability of the simulation. It enlarges the range of SISO interfaces and introduces the MIMO PHIL simulation and the associated interfaces. A use case is shown with two photovoltaic inverters feeding into a low voltage distribution grid.   In a lot of applications stability of the simulation can be judged beforehand by use of analytic concepts and a pure software simulation. This opens the way for a broad range of application for Power Hardware-in-the-Loop simulation studying the interaction component-grid-component.

Keywords

• Power-Hardware-in-the-Loop Simulation; Stability; MIMO systems; Renewable Energy Generation; Photovoltaic Inverters

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