System and methods for adjusting a yaw angle of a wind turbine

A yaw system for use with a wind turbine, the wind turbine including a nacelle rotatably coupled to a tower, said yaw assembly comprising:

• a yaw drive assembly coupled to the nacelle, the yaw drive assembly configured to rotate the nacelle about a yaw axis;
• a first sensor coupled to the wind turbine, said first sensor configured to sense an operating condition of the wind turbine and to generate at least a first monitoring signal indicative of the operating condition;
• and,
• a control system communicatively coupled to said sensor for receiving the generated first monitoring signal from said first sensor, said control system configured to calculate a yaw angle of the nacelle with respect to a direction of wind based on the received first monitoring signal.

A wind turbine system, comprising:

• a tower;
• a nacelle rotatably coupled to said tower;
• a yaw bearing coupled between said nacelle and said tower;
• a yaw drive assembly coupled to said nacelle, said yaw drive assembly configured to rotate said nacelle about a yaw axis;
• a first sensor coupled to said wind turbine, said first sensor configured to sense an operating condition of said wind turbine and to generate at least a first monitoring signal indicative of the sensed operating condition;
• and,
• a control system communicatively coupled to said sensor for receiving the generated first monitoring signal from said sensor, said control system configured to calculate a yaw angle of the nacelle with respect to a direction of wind based on the received first monitoring signal.