초록 ▼

A system and method for adjusting a bending moment of a shaft in a wind turbine are disclosed. The system includes a pillow block accepting the shaft therethrough, a sensor mounted to the pillow block and measuring deformation of the pillow block, and a control system communicatively coupled to the

A system and method for adjusting a bending moment of a shaft in a wind turbine are disclosed. The system includes a pillow block accepting the shaft therethrough, a sensor mounted to the pillow block and measuring deformation of the pillow block, and a control system communicatively coupled to the sensor. The control system is configured to adjust a rotor blade in response to the deformation of the pillow block. The method includes measuring a deformation of a pillow block, and adjusting a rotor blade in response to the deformation of the pillow block. The pillow block accepts the shaft therethrough.

대표청구항 ▼

1. A system for adjusting a bending moment of a shaft in a wind turbine, the system comprising: a pillow block accepting the shaft therethrough;a sensor mounted to the pillow block and measuring deformation of the pillow block; and,a control system communicatively coupled to the sensor, the control

1. A system for adjusting a bending moment of a shaft in a wind turbine, the system comprising: a pillow block accepting the shaft therethrough;a sensor mounted to the pillow block and measuring deformation of the pillow block; and,a control system communicatively coupled to the sensor, the control system configured to adjust a rotor blade in response to the deformation of the pillow block. 2. The system of claim 1, further comprising a plurality of sensors. 3. The system of claim 1, wherein the sensor measures deformation due to bending of the shaft about a yaw axis. 4. The system of claim 1, wherein the sensor measures deformation due to bending of the shaft about a tilt axis. 5. The system of claim 1, wherein the sensor is a strain gauge. 6. The system of claim 1, wherein the sensor measures strain of the pillow block. 7. The system of claim 1, wherein the sensor is mounted to the pillow block at a maximum deformation location. 8. The system of claim 1, wherein the pillow block further defines a mounting platform, and wherein the sensor is mounted to the pillow block on the mounting platform. 9. The system of claim 8, wherein the mounting platform is defined in the pillow block at a maximum deformation location. 10. The system of claim 1, wherein the control system is configured to adjust a pitch of the rotor blade in response to the deformation of the pillow block. 11. A wind turbine, comprising: a shaft;a pillow block accepting the shaft therethrough;a sensor mounted to the pillow block and measuring deformation of the pillow block; and,a control system communicatively coupled to the sensor, the control system configured to adjust a rotor blade in response to the deformation of the pillow block. 12. The wind turbine of claim 11, wherein the sensor measures strain of the pillow block. 13. The wind turbine of claim 11, wherein the sensor is mounted to the pillow block at a maximum deformation location. 14. The wind turbine of claim 11, wherein the pillow block further defines a mounting platform, and wherein the sensor is mounted to the pillow block on the mounting platform. 15. The wind turbine of claim 11, wherein the control system is configured to adjust a pitch of the rotor blade in response to the deformation of the pillow block. 16. A method for adjusting a bending moment of a shaft in a wind turbine, the method comprising: measuring a deformation of a pillow block, the pillow block accepting the shaft therethrough; and,adjusting a rotor blade in response to the deformation of the pillow block. 17. The method of claim 16, wherein the measuring step comprises measuring deformation due to bending of the shaft about a yaw axis. 18. The method of claim 16, wherein the measuring step comprises measuring deformation due to bending of the shaft about a tilt axis. 19. The method of claim 16, wherein the deformation is a strain. 20. The method of claim 16, wherein the deformation is measured at a maximum deformation location on the pillow block.