The paper gives an economic dispatch optimization scheme for microgrid connected to renewable and non-renewable sources of energy such as thermal generators, energy storage devices, wind and solar power systems. Considering the dynamics and randomness of solar and wind power generation, modeling of the system is done in IEEE modified 33-bus system. Advantage of using energy storage technologies like battery storage in enhancing the system efficiency and cost reduction is discussed. The role of renewable energy integration in economic dispatch considering power flow constraints is explained. Three cases for each DC/AC optimal power flow network are analyzed.
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