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公开(公告)号：IN158792B
公开(公告)日：1987-01-24
申请号：IN700CA1983
申请日：1983-06-02
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELLER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
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公开(公告)号：IN158707B
公开(公告)日：1987-01-10
申请号：IN1365CA1983
申请日：1983-11-05
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , NIESSEN FRANK RICHARD , SHERMAN ROBERT
Abstract: A blade pitch angle control system for a wind turbine includes an improved control means (95) for providing a minimum pitch angle reference signal indicative of desired blade pitch at wind velocities less than rated. The control means includes means (35 and 30) for providing signals indicative of generated (output power or torque and the rotational frequency of the wind turbine rotor. The output and rotor speed signals are input to a function generator which, in rsponse to such signals, provides a signal indicative of the minimum pitch angle.
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公开(公告)号：IN158212B
公开(公告)日：1986-09-27
申请号：IN321CA1983
申请日：1983-03-16
Applicant: UNITED TECHNOLOGIES CORP
Inventor： KOS JOSEPH MICHAEL , PATRICK JOHN PETER , HARNER KERMIT IVAN
Abstract: An accelerometer (1) disposed on the support tower (12) of a wind turbine electric generating system in the vicinity of the rotor (10, 16) thereof provides a signal (1) indicative of acceleration of the tower in the direction of the rotor rotational axis. The signal (2) is passed through a band-pass filter (4) for summation (9) with a torque/power controlled (100) blade pitch angle reference rate signal (98), the integral (104) of which provides a blade pitch angle reference signal (40) to control the pitch angle of the rotor blades (10) through a pitch change mechanism (38), thereby to provide additional, positive aerodynamic damping to the tower while modulating blade angle for constant torque/power in response to wind turbulence.
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公开(公告)号：GB2117933B
公开(公告)日：1985-07-31
申请号：GB8305992
申请日：1983-03-04
Applicant: UNITED TECHNOLOGIES CORP
Inventor： KOS JOSEPH MICHAEL , PATRICK JOHN PETER , HARNER KERMIT IVAN
Abstract: An accelerometer (1) disposed on the support tower (12) of a wind turbine electric generating system in the vicinity of the rotor (10, 16) thereof provides a signal (1) indicative of acceleration of the tower in the direction of the rotor rotational axis. The signal (2) is passed through a band-pass filter (4) for summation (9) with a torque/power controlled (100) blade pitch angle reference rate signal (98), the integral (104) of which provides a blade pitch angle reference signal (40) to control the pitch angle of the rotor blades (10) through a pitch change mechanism (38), thereby to provide additional, positive aerodynamic damping to the tower while modulating blade angle for constant torque/power in response to wind turbulence.
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公开(公告)号：ZA838157B
公开(公告)日：1984-06-27
申请号：ZA838157
申请日：1983-11-01
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , NIESSEN FRANK RICHARD , SHERMAN ROBERT
Abstract: A blade pitch angle control system for a wind turbine includes an improved control means (95) for providing a minimum pitch angle reference signal indicative of desired blade pitch at wind velocities less than rated. The control means includes means (35 and 30) for providing signals indicative of generated (output power or torque and the rotational frequency of the wind turbine rotor. The output and rotor speed signals are input to a function generator which, in rsponse to such signals, provides a signal indicative of the minimum pitch angle.
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Patent Agency Ranking
公开(公告)号：BR8302918A
公开(公告)日：1984-02-07
申请号：BR8302918
申请日：1983-06-01
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
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公开(公告)号：AU1566883A
公开(公告)日：1984-01-05
申请号：AU1566883
申请日：1983-06-09
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELLER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
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公开(公告)号：FR2528916A1
公开(公告)日：1983-12-23
申请号：FR8309739
申请日：1983-06-13
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELLER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
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公开(公告)号：DK285183A
公开(公告)日：1983-12-23
申请号：DK285183
申请日：1983-06-21
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.
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公开(公告)号：BR8301456A
公开(公告)日：1983-11-29
申请号：BR8301456
申请日：1983-03-22
Applicant: UNITED TECHNOLOGIES CORP
Inventor： KOS JOSEPH MICHAEL , PATRICK JOHN PETER , HARNER KERMIT IVAN
Abstract: Damping of the primary bending mode of a tower (12) mounting a wind turbine having a control (36) for providing a pitch blade angle reference signal (40) to modulate the pitch of the turbine blades (1) through a pitch change mechanism (38) for constant power is provided by generating the pitch blade angle reference signal as the integral (104) of the summation (266) of a torque/power controlling blade pitch angle reference rate signal (98) with an estimated acceleration signal (255) generated by filtering (250, 252, 254) the blade pitch angle reference signal (40) with the following transfer function
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