Abstract
This paper deals about sizing of hybrid renewable source application to supply power for public lighting system for entire village without connection to the electrical grid. Such hybrid renewable power systems are suitable in remote area where grid connection is unavailable or connection to grid is expensive. Hybrid system in this paper consists from photovoltaic power plant and large battery bank to storage electricity. Battery bank is supposed to be large because time when electricity is needed is completely different from time when photovoltaic power plant produce power from sun.
Highlights
Whenever surplus energy is available, it is sent to storage subsystem to store the surplus energy and if storage system if fully charged, it is wasted in dump load that can be utilized in cooking, water heating, baking etc
HOMER is a simulation tool developed by the U.S National Renewable Energy Laboratory (NREL) to assist in the planning and design of renewable energy based microgrids
This systems can provide full electricity for the model off-grid public ligntning load consumption.This system consist from PV cells field with size 100kW, 180 batteries Vision 6FM200D and converter with size 12kW
Summary
Integrated Renewable Energy System (IRES) has been proposed by various researchers to electrify remote areas. In IRES, energy demand of a remote area is met by using energy potential of locally available renewable energy sources. In this technology, renewable energy sources like solar, wind, MicroHydro Power (MHP), biomass, biogas etc. Control system regulates the output of renewable energy sources and generates the signals for scheduling of storage subsystem and dump load. Some remote places have not sufficient availability of renewable energy resources, under such conditions it is required to add some conventional option like diesel/petrol/gasoline based generator, along with renewable energy resources to fulfil load demand. A hybrid energy system could be integrated as Fig. 1 shows This kind of energy systems are called “hybrid” because they include more than one energy source in order to cover a determined electrical load, commonly an. Many optimizations have to be performed by HOMER, each using different values of input assumptions [8]
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