IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0775657
(2013-02-25)
|
등록번호 |
US-8922042
(2014-12-30)
|
발명자
/ 주소 |
- Ide, Kazunari
- Matsushita, Takatoshi
|
출원인 / 주소 |
- MHI Vestas Offshore Wind A/S
|
대리인 / 주소 |
Kanesaka, Berner & Partners
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
The control system of this floating wind turbine generator is a control system of a floating wind turbine generator in which the control system controls a pitch angle control section by a pitch angle instruction value calculated on the basis of signals detected by a second sensor detecting a relativ
The control system of this floating wind turbine generator is a control system of a floating wind turbine generator in which the control system controls a pitch angle control section by a pitch angle instruction value calculated on the basis of signals detected by a second sensor detecting a relative angle between a nacelle and a tower and a third sensor detecting a yaw angle from a reference position of the tower so that a signal detected by a first sensor detecting wind direction deviation relative to a vertical direction of a rotation plane of wind turbine blades indicates an angle within a predetermined range from the vertical direction of the rotation plane of the wind turbine blades, and controls a yaw driving device by a yaw driving instruction value calculated on the basis of the signals detected by the second sensor and the third sensor.
대표청구항
▼
1. A control system of a floating wind turbine generator, the floating wind turbine generator comprising: a yaw driving device adapted to cause a nacelle to perform turning in a yaw direction relative to a tower provided with the nacelle at the upper end thereof, the nacelle being provided with a ro
1. A control system of a floating wind turbine generator, the floating wind turbine generator comprising: a yaw driving device adapted to cause a nacelle to perform turning in a yaw direction relative to a tower provided with the nacelle at the upper end thereof, the nacelle being provided with a rotor head that rotates by a plurality of wind turbine blades receiving wind power; and a pitch angle control section adapted to drive the wind turbine blades to control a pitch angle thereof, wherein the control system controls the pitch angle control section according to a pitch angle instruction value calculated on the basis of a signal detected by a second sensor for detecting a relative angle between the nacelle and the tower and a signal detected by a third sensor for detecting a yaw angle from a reference position of the tower so as to keep a signal indicating an angle within a predetermined range relative to a vertical direction of a rotation plane of the wind turbine blades, the signal being detected by a first sensor for detecting a wind direction deviation relative to the vertical direction of the rotation plane of the wind turbine blades, and controls the yaw driving device according to a yaw driving instruction value calculated on the basis of the signals detected by the second sensor and the third sensor. 2. The control system of the floating wind turbine generator according to claim 1, wherein the floating wind turbine generator comprises a foundation with a floating structure that floats on a sea surface and the tower installed on the foundation. 3. The control system of the floating wind turbine generator according to claim 1, wherein the floating wind turbine generator comprises the tower floating on a sea surface. 4. A wind farm comprising the control system according to claim 1, and a floating wind turbine generator. 5. A control system of a floating wind turbine generator, the floating wind turbine generator comprising a pitch angle control section adapted to drive a plurality of wind turbine blades to control a pitch angle of each of the wind turbine blades, and having a tilt angle, which is an angle between a horizontal plane and a main shaft, wherein the control system controls the pitch angle control section according to a pitch angle instruction value for controlling the pitch angle of each of the wind turbine blades so as to keep a signal indicating an angle within a predetermined range, the signal being detected by a fourth sensor for detecting a turbine pitch angle, which is an angle between a vertical axis of the horizontal plane and a tower provided with a nacelle at the upper end of the tower, the nacelle being provided with a rotor head that rotates by the wind turbine blades receiving wind power. 6. The control system of the floating wind turbine generator according to claim 5, wherein the floating wind turbine generator comprises a foundation with a floating structure that floats on a sea surface and the tower installed on the foundation. 7. The control system of the floating wind turbine generator according to claim 5, wherein the floating wind turbine generator comprises the tower floating on a sea surface. 8. A wind farm comprising the control system according to claim 5, and a floating wind turbine generator. 9. A control method for a floating wind turbine generator, the floating wind turbine generator comprising: a yaw driving device adapted to cause a nacelle to perform turning in a yaw direction relative to a tower provided with the nacelle at the upper end thereof, the nacelle being provided with a rotor head that rotates by a plurality of wind turbine blades receiving wind power; and a pitch angle control section adapted to drive the wind turbine blades to control a pitch angle thereof, the control method comprising: controlling the pitch angle control section according to a pitch angle instruction value calculated on the basis of a signal detected by a second sensor for detecting a relative angle between the nacelle and the tower and a signal detected by a third sensor for detecting a yaw angle from a reference position of the tower so as to keep a signal indicating an angle within a predetermined range relative to a vertical direction of a rotation plane of the wind turbine blades, the signal being detected by a first sensor for detecting awing direction deviation relative to the vertical direction of the rotation plane of the wind turbine blades; and controlling the yaw driving device according to a yaw driving instruction value calculated on the basis of the signals detected by the second sensor and the third sensor. 10. A control program for a floating wind turbine generator, the floating wind turbine generator comprising: a yaw driving device adapted to cause a nacelle to perform turning in a yaw direction relative to a tower provided with the nacelle at the upper end thereof, the nacelle being provided with a rotor head that rotates by a plurality of wind turbine blades receiving wind power; and a pitch angle control section adapted to drive the wind turbine blades to control a pitch angle thereof, wherein the control program controls the pitch angle control section according to a pitch angle instruction value calculated on the basis of a signal detected by a second sensor for detecting a relative angle between the nacelle and the tower and a signal detected by a third sensor for detecting a yaw angle from a reference position of the tower so as to keep a signal indicating an angle within a predetermined range relative to a vertical direction of a rotation plane of the wind turbine blades, the signal being detected by a first sensor for detecting a wind direction deviation relative to the vertical direction of the rotation plane of the wind turbine blades, and controls the yaw driving device according to a yaw driving instruction value calculated on the basis of the signals detected by the second sensor and the third sensor. 11. A control method for a floating wind turbine generator, the floating wind turbine generator comprising a pitch angle control section adapted to drive a plurality of wind turbine blades to control a pitch angle of each of the wind turbine blades, and having a tilt angle, which is an angle between a horizontal plane and a main shaft, the control method comprising: controlling the pitch angle control section according to a pitch angle instruction value for controlling the pitch angle of each of the wind turbine blades so as to keep a signal indicating an angle within a predetermined range, the signal being detected by a fourth sensor for detecting a turbine pitch angle, which is an angle between a vertical axis of the horizontal plane and a tower provided with a nacelle at the upper end of the tower, the nacelle being provided with a rotor head that rotates by the wind turbine blades receiving wind power. 12. A control program for a floating wind turbine generator, the floating wind turbine generator comprising a pitch angle control section adapted to drive a plurality of wind turbine blades to control a pitch angle of each of the wind turbine blades, and having a tilt angle, which is an angle between a horizontal plane and a main shaft, wherein the control program controls the pitch angle control section according to a pitch angle instruction value for controlling the pitch angle of each of the wind turbine blades so as to keep a signal indicating an angle within a predetermined range, the signal being detected by a fourth sensor for detecting a turbine pitch angle, which is an angle between a vertical axis of the horizontal plane and a tower provided with a nacelle at the upper end of the tower, the nacelle being provided with a rotor head that rotates by the wind turbine blades receiving wind power.
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