111
Allan W Brown: Wind turbines. James Howden & Company, Barnes & Thornburg, March 11, 1986: US04575309 (14 worldwide citation)

A wind turbine having the tips of the blades pivotable to a position in which they act as brakes to slow the turbine down. The pivoting is caused by relative axial movement of the tip and main blade portions which is caused by the action of a spring. The spring action is normally overcome by a hydra ...


112
Aloys Wobben: Atmospheric density-dependent power adjustment for wind turbines. Neil A Steinberg, April 4, 2006: US07023105 (14 worldwide citation)

The present invention concerns a wind power installation having a control apparatus for operational management of the wind power installation and a method of controlling a wind power installation having a control apparatus for operational management. In order to take the largest possible amount of e ...


113
Peter South: Vertical axis wind turbines. Canadian Patents and Development Societe Canadienne Des Breyets et D Exploitation Limitee, Bauer & Schaffer, February 28, 1989: US04808074 (14 worldwide citation)

The invention relates to improvements in and relating to vertical axis wind turbines, particularly those of the "eggbeater" type. It has been found possible, in spite of previous beliefs that it was not so, to provide energy exchange means between the blades and the rotor to thereby smooth out cycli ...


114
Torres Martinez Manuel: Crane for the assembly of wind turbines and assembly procedure. Torres Martinez M, October 8, 2003: EP1350953-A2 (14 worldwide citation)

Crane for the assembly of wind turbines and assembly procedure, the former consisting of a central structure (1) which may be mounted around the tower (2) of the wind turbine and provisionally locked onto it at any height, with an assembly formed by a jib (4) and a counter-jib (5) configuring a tilt ...


115
Pemberton John Michael: Offshore power generating structure. Pemberton John Michael, February 20, 2002: GB2365385-A (14 worldwide citation)

An offshore structure comprises a cellular concrete base means 1 supporting a number of wind turbines 2, oscillating water column systems 8 and tidal current power generation units 4 adapted to extract wind, wave and tidal current energy from the structures surrounding environment. The base means ma ...


116
Gillespie John, Tande John Olav: Wind energy system. Gineadoiri Gaoithe Teicneolaio, April 14, 1999: GB2330256-A (14 worldwide citation)

A control unit 11 senses the phase voltages for each phase of a utility grid 2, and the control unit 11 also senses the three phase sum active and reactive powers of the grid 2. A microcomputer (24) in the control unit 11 processes the measured data to determine the maximum output power Plim which w ...


117
Larsen Einar V, Walling Reigh A, Clark Kara: Voltage control at windfarms. Gen Electric, April 14, 2010: EP2175540-A2 (14 worldwide citation)

A voltage control system and method for multiple windfarms (810, 815, 820) with transmission lines (898). Voltage is regulated at a point of regulation (825) on the system, such as a high voltage substation or other system bus. At least one other constraint point in the system may be monitored and c ...


118
Schram Christian, Vyas Parag: Windpark control system. Gen Electric, May 30, 2007: EP1790851-A2 (14 worldwide citation)

A method and system for controlling a windpark power plant includes a central processing and control unit (16) operatively coupled to wind turbines (12) in the windpark (10) to receive data from and selectively transmit at least one of data and control signals to each wind turbine, to reduce fatigue ...


119
Seth Jamison Myer, Paul H Cooperrider, David Gonzalez: Wireless autonomous solar-powered outdoor lighting and energy and information management network. Inovus Solar, Pedersen and Company PLLC, Ken J Pedersen, Barbara S Pedersen, November 19, 2013: US08588830 (13 worldwide citation)

An array of outdoor lighting operates mainly in independent mode wherein sensing, communication, and control processes take place between the various lights of the array. Additional communication and control may occur between the array and a control station by means of a master/coordinating node tha ...


120
Anders Nyborg: Method for controlling a wind turbine connected to the utility grid, wind turbine and wind park. Vestas Wind Systems, Wood Herron & Evans, December 14, 2010: US07851934 (13 worldwide citation)

The invention relates to a method for controlling a wind turbine connected to the utility grid comprising steps of detecting a fault of the utility grid, and controlling one or more rotor blades in a fault mode wherein said one or more rotor blades are pitched in order to stabilize the rotor speed w ...