Wind power generating set

Abstract

The embodiment of the invention provides a wind power generating set. The wind power generating set comprises a tower barrel, a fixed shaft, an impeller, a driving wheel disc and a generator. The fixed shaft is arranged at the top of the tower barrel. The impeller is fixedly connected with the driving wheel disc. The driving wheel disc takes the fixed shaft as a rotating shaft and is arranged on the fixed shaft in a pivoting mode. An inner stator of the generator sleeves the outer peripheral surface of the tower barrel. A rotor shell of the generator comprises a driven wheel disc coaxial with the generator. The driving wheel disc is in transmission connection with the driven wheel disc. In terms of the wind power generating set, the impeller and the driving wheel disc are connected into a whole, and the driving wheel disc is in transmission connection with the driven wheel disc. The driving wheel disc synchronously rotates along with the impeller, and meanwhile drives the driven wheel disc to rotate so as to realize the overall rotation of a rotor. The wind power generating set has a plurality of advantages of a direct-drive type wind power generating set, can avoid the problem that the gas gap width of the generator is not uniform due to the self-weight of the impeller and a wind load borne by the impeller, and ensures the self-weight and power generating capacity of the generator.

Description

technical field [0001] The present application relates to the technical field of wind power generation, in particular to a wind power generating set. Background technique [0002] Wind turbines can be divided into various types according to the transmission structure, for example, they can be divided into double-fed wind turbines and direct-drive wind turbines. Among them, the direct-drive wind turbine is also called a gearbox-less wind turbine. This kind of generator adopts the way of direct connection between the rotor of the generator and the impeller for driving, eliminating the traditional component of the gearbox. Since the gearbox is currently a component that is prone to overload and has a high rate of premature damage in megawatt wind turbines, the direct-drive wind turbine without a gearbox has high efficiency, low noise, and high wind speed at low wind speeds. There are many advantages such as long service life, reduced unit size, and reduced operation and mainte...

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