81
Huang Tai Guang, Liu Jian Fei, Brian Gaza, Robert F Wentink: Over speed control circuit for a wind turbine generator which maximizes the power exported from the generator over time. International Components Corporation, John S Paniaguas, Katten Muchin Rosenman, March 24, 2009: US07508089 (8 worldwide citation)

An over speed control circuit for a wind turbine generator is disclosed which optimizes the time that the wind turbine generator is operational and thus maximizes the power output over time. The over speed control circuit forms a closed feedback loop which periodically measures the output voltage of ...


82
Mithra M K V Sankrithi: Fluid-dynamic renewable energy harvesting system. RIC Enterprises, July 6, 2010: US07750491 (8 worldwide citation)

The invention provides a fluid-dynamic renewable energy harvesting system which includes fluid-foil means for interfacing with a fluid current such as a water current or wind or both, and which includes energy harvesting means utilizing fluid current driven periodic motion of the fluid-foil means fo ...


83
Christiaan Willem Beekhuis: Performance metrics in renewals energy systems. Power One Renewable Energy Solutions, Waddey & Patterson, Mark J Patterson, Gary L Monte, June 21, 2011: US07966100 (8 worldwide citation)

Systems and methods are provided for collecting (200), aggregating (201), and analyzing data (202, 203) associated with the installation and deployment of systems. Energy systems, specifically renewable energy generating systems, are used as examples. The aggregated data (201) serve as the basis for ...


84
Dawn Emily Ottman: Hybrid renewable energy turbine using wind and solar power. Candew Scientific, McKee Voorhees & Sease, December 11, 2012: US08330296 (8 worldwide citation)

An environmentally friendly combination of wind turbine and solar energy collectors are provided. Solar photovoltaic material is secured to the surface of the wind turbine tower to augment the power generation capability of a wind turbine. The wind turbine energy output is controlled by a power mana ...


85
Michael Mathiowetz: System for a single point plug-in, connection of any combination of electric energy supply sources combined with smart load management and control of both supply and consumption of electric energy by a home or small business. Renewable Energy Technology Group, April 15, 2014: US08700224 (8 worldwide citation)

A standardized system, method and apparatus for connection of any combination of electric energy supply source including the Utility Power Grid, Auxiliary Generator, Wind Turbine, Fuel Cell, Storage Battery, Solar Panel Array, and an Electric Car which are collectively aggregated to feed into the ma ...


86
Kranert Klaus Dr Ing, Knirsch Hermann Dipl Ing: Procedure for economical operation of an island network with renewable sources of energy and a circuit for execution of the procedure.. Nord Systemtechnik, April 7, 1993: EP0535382-A1 (8 worldwide citation)

The present invention relates to a method and a circuit arrangement for economical operation of an island network having renewable energy sources, which supply energy converters, to be precise in such a manner that the converters are loaded in the sequence of their economy. Furthermore, an energy-st ...


87
Crane Allan David: Power converters. Converteam, Crane Allan David, SERJEANTS, August 31, 2006: WO/2006/090111 (8 worldwide citation)

The present invention provides a power converter that can be used to interface a generator (4) that provides variable voltage at variable frequency to a power grid or supply network (14). The generator (4) can be driven at variable speed by a source of driving torque that be a wind turbine or other ...


88
Sauar Erik, Bentzen Andreas: Solar cells and methods for manufacturing same. Renewable Energy Corporation Asa, Sauar Erik, Bentzen Andreas, ONSAGERS, October 18, 2007: WO/2007/117153 (8 worldwide citation)

This invention relates to a method for contacting solar wafers containing one or more layers of temperature sensitive passivation layers by first creating local openings in the passivation layer(s) and then fill the openings with an electric conducting material. In this way, it becomes possible to a ...


89
Sauar Erik, Bentzen Andreas: Back contacted solar cell. Renewable Energy Corporation Asa, Sauar Erik, Bentzen Andreas, ONSAGERS, April 3, 2008: WO/2008/039078 (8 worldwide citation)

This invention relates to a cost effective method of producing a back contacted silicon solar cell and the cell made by the method, where the method comprises applying a silicon substrate, wafer or thin film, doped on the back side with alternating P-type and N-type conductivity in an interdigitated ...


90
Darcy Dennis, Colello Gary, Falcinelli Michael T: Integrated renewable energy generation and storage systems and associated methods. Premium Power Corporation, Darcy Dennis, Colello Gary, Falcinelli Michael T, Dizerega Phillp, December 23, 2009: WO/2009/155445 (8 worldwide citation)

An integrated converter/inverter system includes (1) a direct current bus for connecting to an array of photovoltaic cells without use of a voltage transforming device, (2) an alternating current bus for connecting to a load, (3) an energy storage bus for connecting to an energy storage subsystem, ( ...



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