Photovoltaic-based Demand Response and Ancillary Services

June 22, 2012 - 1:00pm

This presentation describes innovations in intelligent micro inverters for use with photovoltaic (PV) systems.   The micro-inverters enable remotely adjustable phase angles (+/- up to 45 degrees).  The technology includes dynamic impedance matching and ultra-low cost dynamic reactive power management of digital power sources.  These attributes can help mitigate grid balancing challenges introduced by most renewable generation resources as we strive to reach aggressive renewable portfolio standards and their associated needs for voltage support and ancillary services.    The software-enabled device eliminates several pieces of heavy equipment needed at Grid-connected PV plants, such as inverter systems, Dynamic VAR systems, capacitor and inductor banks as well as power controls.  This means that sites as small as residential and as large as power plants can implement software-configured interconnections with complete dispatchable control of real and reactive energy.  When combined with customer automated demand management and distribution voltage control, this enables a network strategy for optimized use of renewable, loads and Grids.

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