Modelling and simulation of the microsources within a microgrid

摘要

Microgrid is a new concept in the arena of green power generation, which is substantially attracting many researchers’ interest due to its potential to extend the applications of the distributed generations, especially the renewable energy. So far not much research is done on the microgrid behavior as a whole system. In this paper models for the main microsources including Wind Turbines, Diesel Generator and Batteries are properly established, in addition to the basic models of the power electronics interfaces being given simultaneously. The above models have been integrated into a comprehensive simulation platform by MATLAB/Simulink, which enables simulation for both the steady and dynamic characteristics of the three-phase Microgrid. Validity of the proposed microsource models is examined with various operational conditions of the Microgrid and possible disturbances are also taken into account.