10/17/2012 - Microgrids are really just miniature versions of the larger utility grid, except for one defining feature: when necessary, they can disconnect from the macrogrid and can continue to operate in what is known as “island mode.” Because of this distinguishing feature, microgrids can offer a higher degree of reliability for facilities such as military bases, hospitals and data centers, which all have “mission critical” functions that need to continue to operate no matter what.
Along with enhancing reliability, microgrids serve another useful function: they can help the larger grid stay in balance. As the world moves toward an energy system that looks more and more like the Internet, with two-way power flows thanks to growing reliance upon on-site sources of distributed generation (DG), this increasingly dynamic complexity requires new technology. But some forms of DG – especially variable renewable resources such as solar or wind — create a greater need for smart grid solutions, such as microgrids. read more>>>
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