This paper explores the need for renewable based DC microgrid and proposes characteristic features of a standalone DC microgrid. The need for energy management system and its role in DC microgrid has been emphasized. Renewable generating sources such as wind turbine generator and photovoltaic panel require stringent control for harnessing maximum available energy, energy storage system demands efficient management, and DC-link voltage must be maintained constant. Microgrid is a small modular and distributed power generation and distribution system that combines power quality management and enduser energy utilization technology based on distributed power generation technology based on distributed resources or users' small-scale power plants. The solar-based DC Microgrid has been proposed from the following controller and two compensation systems, . It forms a system of three rings, and feeds each load. Load balancing and voltage regulation are the main aspects for designing the model. The voltage is kept constant at 48V in the voltage control loop. Advantages of DC microgrids include easy control, high system efficiency and low energy conversion. The centralized monitoring controller has been designed to control current sharing and voltage regulation together in a PV-based DC microgrid.
PV Panel, Photovoltaic System, Pv Module, MPPT, PV Control Strategy
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