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Small-sized wind power generation system

A wind power generation system, a small-scale technology, applied in the direction of wind power generator components, wind power engines, wind power motor combinations, etc., can solve the problems of reducing the performance of wind power generation systems, conversion efficiency deterioration, etc., to improve power conversion efficiency and improve convenience , The effect of saving system mechanism space

Inactive Publication Date: 2013-04-10
张锭玉
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AI Technical Summary

Problems solved by technology

However, observing the known technology of the electric energy conversion device, it can be found that the converted electric power has to be converted in two stages of rectification and boosting, so the conversion efficiency becomes worse, which reduces the efficiency of the wind power generation system

Method used

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  • Small-sized wind power generation system

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Embodiment Construction

[0028] The small-scale wind power generation system of the present invention adopts the hanging mode to install the wind turbine, which can be figure 1 The schematic combination diagram is illustrated, and the functions of each component are described as follows:

[0029] A1: The fixed bracket of the wind power generation system, which is composed of a steel structure, one end is fixed on the ground, and the other end is connected to the stator of the generator (G1) through a rope (R1).

[0030] R1: rope, which connects the fixed bracket (A1) with one end of the stator of the generator (G1), the other end of the stator of the generator (G1) is fixed with one end of the stator of another generator (G2), and the stator of the generator (G2) The other end is fixed to the ground.

[0031] B1, B2: wind turbine blades, which are fixed to the wind turbine shaft (F1, F2) by the wind turbine frame (D1, D2). The blades (B1, B2) of the wind turbine generate power through the flow veloc...

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Abstract

The invention provides a small-sized wind power generation system, comprising a plurality of wind turbines which rotate in opposite directions, so as to reduce the stress borne by the system and conveniently mount the system in a hanging manner. Furthermore, a blade framework of each wind turbine has a foldable property, so that a blade of each wind turbine is easy to open, close, fold and store. Moreover, the wind turbines and generators are combined together through double-rotor magnetic field permanent magnet generators which are embedded into hollow rotary shafts of the wind turbines. When the blades of the wind turbines are stressed, the rotors of the generators are directly driven to rotate to generate electric power. On the aspect of an electric energy converting circuit, electric power rectifying and boosting or boosting and voltage reduction converting functions are finished in a single-grade electric power converting process of a single-grade rectifying and boosting converting circuit and a single-grade rectifying and voltage reduction converting circuit; and the electric power converting efficiency of the power generation system is greatly improved.

Description

【Technical field】 [0001] The invention relates to a power generation system, in particular to a small wind power generation system. 【Background technique】 [0002] A known small wind power generation system includes: a wind turbine, a generator and a power conversion device. Wind turbines are used to capture wind energy to generate power. Generally, according to the blade installation method, it can be divided into horizontal wind turbines whose blade rotation axis is parallel to the ground, and vertical wind turbines whose blade rotation axis is perpendicular to the ground. Although the horizontal wind turbine has a better wind energy utilization rate, the horizontal wind turbine must be designed with a fan steering mechanism to capture wind energy from different directions. Therefore, the mechanism is complicated, requires a large space, and the operation noise is loud. The vertical wind turbine operates with low noise and can harvest wind energy from all directions with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D9/00F03D3/02F03D11/00F03D3/06H02J7/32
CPCY02E10/74
Inventor 张锭玉潘晴财方秀英
Owner 张锭玉
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