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The National Renewable Energy Laboratory (NREL) conducts a variety of research in the area of hybrid power system integration and microgrids. NREL is studying hybrid (stand-alone) power systems incorporating photovoltaic power in the United States and assessing the characteristics and status of government-installed hybrid systems greater than 2 kW over the last 30 years. This research provides information...
Grid inverters are the key elements to massively integrate distributed renewable energy resources (DER) into electricity grids. This paper deals with the future requirements for static converters to support the operation of the power systems considering in particular ancillary services, disturbed network conditions, and control and communication requirements.
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