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A microgrid consists of a variety of inverter-interfaced distributed energy resources (DERs). A key issue is how to control DERs within the microgrid and how to connect them to or disconnect them from the microgrid quickly. This paper presents a strategy for controlling inverter-interfaced DERs within a microgrid using an artificial neural network, which implements a dynamic programming algorithm...
The increased integration of distributed energy sources into microgrids presents a major challenge in voltage and frequency stability of the microgrids, especially in islanded conditions. Microgrid control is typically classified into a three-level hierarchical control involving primary, secondary, and tertiary control, where primary and secondary levels are related to the operation of a microgrid...
One of the most important challenges associated with the droop control of parallel inverters in a microgrid is reactive power sharing between parallel units1. This paper proposes to integrate Direct Current Vector Control (DCVC) method2 with the droop control method to overcome this challenge. Another issue in droop control of parallel inverters in islanding mode is voltage level drop associated with...
The organic growth and evolution of the future smart grid is expected to emerge as a well-planned plug-and-play integration of smart microgrids. A microgrid normally comprises a variety of inverter-interfaced distributed energy resources such as solar photovoltaic arrays, wind turbines, microturbines, fuel cells, energy storage devices, and controllable loads, in which a key issue is how to manage...
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