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Hybrid renewable energy system

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Hybrid renewable energy systems(HRES)are becoming popular asstand-alone power systemsfor providingelectricity in remote areas due to advances inrenewable energytechnologies and subsequentrise in prices of petroleumproducts

! hybrid energy system" or hybrid power"usually consists of two or more renewableenergy sources used together to provideincreased system e#ciency as well as greaterbalance in energy supply

http://en.wikipedia.org/wiki/Stand-alone_power_systemhttp://en.wikipedia.org/wiki/Renewable_energyhttp://en.wikipedia.org/wiki/Petroleumhttp://en.wikipedia.org/wiki/Hybrid_powerhttp://en.wikipedia.org/wiki/Hybrid_powerhttp://en.wikipedia.org/wiki/Petroleumhttp://en.wikipedia.org/wiki/Renewable_energyhttp://en.wikipedia.org/wiki/Stand-alone_power_system

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As convention fossil fuel energy sourcesdiminish and the worlds environmental

concern about acid deposition and globalwarming increases, renewable energysources (solar, wind, tidal, biomass andgeothermal etc) are attracting moreattention as alternative energy sources.

These are all pollution free and one cansay eco friendly.

These are available at free of cost.

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$oad shedding in many cities in %ndiadue to power shortage and faults is ama&or problem for which there is noimmediate remedy in the near futuresince the gap between the powerdemand and supply is increasingevery year

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In India wind and solar energy sources are

available all over the year at free of costwhereas tidal and wave are coastal area.

eothermal is available at speci!c location.

To meet the demand and for the sa"e of

continuity of power supply, storing ofenergy is necessary.

The term hybrid power system is used todescribe any power system combine two or

more energy conversion devices, or two ormore fuels for the same device, that whenintegrated, overcome limitations inherent ineither.

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E'ample

#iomass$wind$fuel cell %or e&ample, let us consider a load of '

power supply and there is no renewable systemto ful!ll this need, so two or more renewable

energy system can be combined. %or e&ample,

* from a biomasssystem,

from a wind energysystem and theremaining from fuel cells.

Thus combining all these renewable energysystems may provide ' of the power andenergy re-uirements for the load, such as ahome or business.

http://en.wikipedia.org/wiki/Biomasshttp://en.wikipedia.org/wiki/Wind_energyhttp://en.wikipedia.org/wiki/Fuel_cellhttp://en.wikipedia.org/wiki/Fuel_cellhttp://en.wikipedia.org/wiki/Wind_energyhttp://en.wikipedia.org/wiki/Biomass

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eed for research

The "ey to cost reductions of this order is, ofcourse, the right sort of support for innovationand development $ something that has beenlac"ing for the past and, arguably, is still only

patchy at present. /esearch and developmente0orts in solar, wind, and other renewableenergy technologies are re-uired to continue for1

improving their performance"

establishing techniques for accuratelypredicting their output

reliably integrating them with otherconventional generating sources