LV10803B - Electric device for windmills - Google Patents

Abstract

This invention consists of (fig.1) wind machinery formed by a double-package inductor generator (4) with 3-phase stator winding, a device (3) to enable the turning of the wind wheel down by the wind, and a mast (9). The core of the invention consists of the device (3), which is equipped with an elastic element (14) installed with an initial strain in order to provide a generator (4) spinning frequency less than the ecologically hazardous frequency of 7 Hz. The device (3) is also equipped with a strain regulation option so that the power generator would be nominal at the above-mentioned diapason of frequencies. Additionally, it is proposed to connect a compensator to the stator winding, to install a remote control brake (5) at the outer side of the generator, and to equip the mast with supporting props (12), which are connected to the bottom support of the mast with hinge joints and fixed on the base at the ends.<IMAGE>

Description

LV 10S03

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Claims (1)

A wind turbine comprising an electric generator, a winding turning device, an outflow mechanism from the wind flow plane, an electric accumulator, an inverter, a windwheel consisting of wings and a bushing, the windwheel being formed with a horizontal axis of rotation at fixed wings mounting angles directly related to the outer end of the shaft of an inductive generator with a bipolar stator winding, characterized in that for the purpose of providing ecological protection against the biologically dangerous rotational speeds of the windwheel and the generator rotor: - the wind-plane exit mechanism is equipped with a resilient element designed for a starting tension that prevents the environmentally dangerous rotation frequency 6.5-7 Hz and a tension adjusting device; - the electric generator is designed as a low-frequency generator which, by means of an exit mechanism, rotates from the plane of the wind flow as the rotation frequency approaches the biohazardous rotational frequency range, with capacitors additionally connected to the stator windings preventing the generator revolutions up to biohazardous rotation frequencies.