Micro-grid transient dynamic response enhancement during and subsequent to huge and multiple disturbances by connecting it with nearby micro-grids

摘要

The necessity for solving global warming problems by reducing CO₂ emissions in the electricity generation field has led to an increase in interest in micro-grids (MGs), especially one which included renewable sources. This article deals with the connection of two nearby MGs during emergency situations in order to enhance their transient dynamic performance during and subsequent to two huge disturbances under different load conditions of the two MGs. The first disturbance is the two MGs islanding from the main grid followed by failure of a dominant micro source in the first MG. Also, this study introduces a novel neuro-fuzzy maximum power point tracking (MPPT) controller applied to all photovoltaic panels installed in the two MGs. All components and micro sources installed inside the two MGs are dynamically modelled in detail. All micro source models and controllers are built in the Matlab® Simulink® environment.