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Contraction wind-power generator with mohaupt and speed increasement

A wind power generation device and energy collection technology, which are applied to wind turbine components, wind energy power generation, wind turbines, etc., can solve problems such as the inability to guarantee the optimal working conditions of wind turbine blades

Inactive Publication Date: 2006-03-15
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter how to optimize the blade design and adaptive pitch control, it is impossible to guarantee that the blades of this wind turbine are in the optimal working condition at different phase angles

Method used

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  • Contraction wind-power generator with mohaupt and speed increasement
  • Contraction wind-power generator with mohaupt and speed increasement
  • Contraction wind-power generator with mohaupt and speed increasement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] see figure 1 and figure 2 , the wind power generation device is on the foundation 5, a fixed tower 4, a rolling bearing mechanism 6 is fixed on the top of the tower 4, the rolling bearing structure adopts a one-way thrust ball bearing, and the shrinking nozzle 1 is supported on the rolling bearing structure 6 , the inlet section A of the shrinking nozzle 1 1 The diameter at the place is 100m, exit A 2 The diameter at the center is 25m, and the arc line 7 of the middle section of the contracting nozzle adopts a circular arc. The center of curvature of the arc is outside the flow channel, and the radius of curvature of the arc is 80m. The nozzle is made of composite materials, and the wall thickness is 0.007m.

Embodiment 2

[0037] see figure 1 and figure 2 , the wind power generation device is on the foundation 5, fixed tower 4, a rolling bearing structure 6 is fixed on the top of the tower 4, the rolling bearing structure adopts a one-way thrust ball bearing, and the shrinking nozzle 1 is supported on the rolling bearing structure 6 , the inlet section A of the shrinking nozzle 1 1 The diameter at the place is 1m, exit A 2 The diameter at the center is 0.1m, and the arc line 7 of the middle section of the contracting nozzle adopts a circular arc. The center of curvature of the arc is outside the flow channel, and the radius of curvature of the arc is 2m. m.

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PUM

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Abstract

A wind electricity generator with dwindled spout comprises tower base, blower fixed on the top of the base and a dynamo drove by the blower. The blower is coaxially fixed to the spout in the dwindled part. The inlet area A1 of the spout is relative large, the outlet area A2 is small, the sectional area decreases along the wind flow direction. With dwindled design, the wind speed is accelerated, so maximizing the utility of wind, decrease the blower's size and lowing down the cost.

Description

Technical field: [0001] The invention relates to a wind power generation device, in particular to a shrinkable energy-collecting and speed-up wind power generation device. technical background [0002] Due to the low energy density of wind energy resources, the rotor diameter and tower height of contemporary MW-level mainstream wind turbines have exceeded 100 meters, the weight of blades has exceeded 10 tons, and the weight of tower tops has exceeded 100 tons. The material strength and manufacturing and installation capabilities are almost close to the limit. No matter how the blades are optimally designed and the adaptive pitch control is used, there is no guarantee that the wind turbine blades are in the optimal working condition at different phase angles. Contents of the invention [0003] The purpose of the present invention is to provide a shrinkable energy-gathering and speed-up wind power generation device for the above fundamental problems. By shrinking the nozzle,...

Claims

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Application Information

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IPC IPC(8): F03D11/04F03D9/00F03D1/04F03D7/04F03D11/00F03D9/25F03D13/20F03D80/70
CPCY02E10/723Y02E10/725Y02E10/728Y02E10/72
Inventor 黄典贵
Owner SHANGHAI UNIV
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