CONTROL METHOD OF WIND-DRIVEN POWER PLANT, AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2012 - IPC F03D7/02 

FIELD: power industry.

SUBSTANCE: in the method based on the fact that signal of wind velocity at the height of wind wheel rotation axis is shaped and signal of setting the rotation speed of wind wheel shaft is shaped at constant speed as per that signal, family of signals of wind wheel power characteristics as wind velocity at various constant rotation speeds of wind wheel is shaped, signal of setting as to wind wheel power is shaped, at equality points of the setting signal with the above family of signals there recorded are values of wind wheel rotation speed and wind velocity, and signal of setting the control of wind wheel rotation speed as wind velocity is shaped as per those signals. Functional module of wind-driven power plant is provided with the second input. Wind-driven power plant is equipped with wind wheel power setting device the output of which is connected through the second input of functional module to the first input of power factor unit and to the input of wind velocity setting unit the output of which is connected to the second input of logic unit, output of power coefficient unit is connected through wind wheel speed unit to the first input of the second wind wheel rotation speed setting unit and to the first input of the first key element of switching unit, output of wind velocity sensor is connected through the first input of functional module to inputs of the first wind wheel rotation speed setting unit, to the first input of logic unit, to the second input of power coefficient unit and to the second input of the second wind wheel rotation speed setting unit, the output of the first wind wheel rotation speed setting unit is connected to the first input of the first key element of switching unit, and the first and the second outputs of logic unit are connected to the second inputs of key elements of switching unit, the outputs of which are connected to output of functional module.

EFFECT: use of the method and the device by means of which it is implemented will improve reliability of wind-driven power plant by excluding the control system of blade setting angle and cheapening of wind-driven power plant.

2 cl, 8 dwg