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System and method for design and optimization of grid connected photovoltaic power plant with multiple photovoltaic module technologies

United States Patent

March 29, 2016
View the Complete Patent at the US Patent & Trademark Office
A system and method of using one or more DC-DC/DC-AC converters and/or alternative devices allows strings of multiple module technologies to coexist within the same PV power plant. A computing (optimization) framework estimates the percentage allocation of PV power plant capacity to selected PV module technologies. The framework and its supporting components considers irradiation, temperature, spectral profiles, cost and other practical constraints to achieve the lowest levelized cost of electricity, maximum output and minimum system cost. The system and method can function using any device enabling distributed maximum power point tracking at the module, string or combiner level.
Thomas; Bex George (Ballston Lake, NY), Elasser; Ahmed (Latham, NY), Bollapragada; Srinivas (Niskayuna, NY), Galbraith; Anthony William (Wirtz, VA), Agamy; Mohammed (Niskayuna, NY), Garifullin; Maxim Valeryevich (Barrington, IL)
General Electric Company (Niskayuna, NY)
13/ 535,617
June 28, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with U.S. Department of Energy support under contract number DE-EE0000572. The Government has certain rights in the invention.