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The paper highlights the main characteristics of Virtual Power Plants (VPP). A Virtual Power Plant is a cluster of distributed generation units (such as photovoltaic power plants, wind turbines or small hydro) and any other sources of power that can cooperate together in the local area, and are controlled by a central control entity. An analysis of a VPP that is used to cover the load is performed...
Wind generators are increasingly being integrated into high voltage transmission systems as well as low or medium voltage distribution systems. The increased penetration of wind generators into power grid may significantly change the system voltage profile, losses and other operating characteristics. This paper investigates the effects of wind generators on voltage profile and losses of a distribution...
This paper proposes a novel strategy of control of the active power flow from the power system grid to a micro grid by a power electronic transformer (PET), consisting of controllable loads and distributed energy resources (DER), both renewable and non-renewable. A 60 Hz, step down transformer is generally used at the Point of common coupling (PCC) of a micro grid to connect to the power system grid...
Around the world, a rapidly increasing growth of distributed energy resources (DER) based on renewable energy sources (RES) can be observed. This is due to the increase in energy demand combined with restriction in building new large scale power plants and a search for carbon-free technologies for energy production. Among the existing renewable distributed generation technologies, wind turbines (WT)...
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