and environmental problems, alternative methods for energy generation should be considered such as Renewable energy sources (RESs) which are considered as a promising alternative for fossil fuels. On the other hand, hospitals are one of the major consumers of energy...

generations (Sustainability) .

In this study we introduced the renewable energy sources and their properties.This study clearly illustrated their

discriptions and their benefits.After that it compared them from the prospectives of feasible use...

Small-scale renewable energy sources, such as small hydro turbines, roof-mounted photovoltaic and wind generation systems, and commercially available fuel cells are usually connected to the single-phase distribution grid through a voltage source...