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Wind power generator

A technology of wind power generators and generators, which is applied in the direction of wind power engines, wind power motor combinations, wind power generation, etc., can solve the problems of different and waste of wind power, reduce workload, reduce maintenance workload, avoid mechanical wear and waste of wind energy Effect

Inactive Publication Date: 2016-11-16
北京福威斯油气技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Wind turbines are affected by the wind speed, resulting in different generator speeds. In high wind speed conditions, in order to prevent equipment damage, mechanical brakes are generally used to stop the wind turbines from rotating, and the system stops generating power, wasting wind power in vain.

Method used

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Embodiment Construction

[0022] The following specific embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0023] Such as figure 1 with 2 As shown, the present invention provides a wind power generator, the wind power generator includes a wind power generator body 10, a speed controller 20 and a pulse width modulation constant speed control power supply 30; the speed controller 20 includes a cylindrical housing 12 and the "Wang"-shaped rotor blade located in the housing 12, the "King"-shaped rotor blade includes a vertically arranged connecting shaft 13 and two rotors 2 fixedly connected to the connecting shaft 13 and arranged horizontally and a rotating shaft 11, the rotating shaft 11 is located between the two rotors 2, and one end extends out of the housing 12, and the other end is located in the housing 12; when the rotating blade rotates, the housing 12 The inner space of the inner space is divided into four subspaces, and at...

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Abstract

The invention discloses a wind power generator, comprising a wind power generator main body, a speed controller and a pulse width modulation constant speed control power source; the speed controller comprises a cylindrical shell and a rotating blade shaped like a Chinese character ''wang'' and located in the shell; the ''wang''-shaped rotating blade comprises a vertically arranged connecting shaft and two rotors and one rotary shaft which are fixedly connected to the connecting shaft and horizontally arranged; when rotating, the rotating blade divides the internal space of the shell into four separated subspaces, at least one stator controlling the rotary speed of the rotors is arranged in each subspace, and each stator comprises a magnetic pole and an exciting coil winding the magnetic pole; the power generator body comprises an impeller, a rectifying converter and a power generator shaft; the power generator shaft is in transmission connection with the rotary shaft; and the pulse width modulation constant speed control power source is electrically connected to the rectifying converter and is used for controlling a working voltage of the exciting coil according to the rotary speed of the impeller. The wind power generator can control the rotary speed of the impeller through the speed controller, and the damage to the power generator is prevented.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a wind power generator. Background technique [0002] Wind turbines are affected by the wind speed, resulting in different generator speeds. In high wind speed conditions, in order to prevent equipment damage, mechanical brakes are generally used to stop the wind turbines from rotating, and the system stops generating power, wasting wind power in vain. [0003] The Chinese patent document with the publication number CN101482097A discloses a braking system and a braking method for a vertical axis wind power generator. It includes the brake device connected to the rotor shaft of the generator or the vertical shaft of the wind wheel, the brake arm or brake brake controlled by the brake solenoid valve, and the friction plate. The brake device is a brake hoop or a brake disc or a brake disc, and also includes a safety pin and a safety pin solenoid valve for controlling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D9/25F03D7/04
CPCF03D7/042F05B2260/903F05B2270/1011Y02E10/72
Inventor 王业林储昭跃孙增福
Owner 北京福威斯油气技术有限公司
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