Wind turbine stator core

A technology for wind turbines and stator cores, applied in the manufacture of motor generators, electromechanical devices, electrical components, etc., can solve the problems of poor wear resistance, low peel strength, and short service life, and achieve good wear resistance, Good wear resistance and cost saving effect

Inactive Publication Date: 2019-10-08
LINYI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, epoxy resin is cheap and has strong adhesion, but it has the disadvantages of short service life, high brittleness, low peel strength and poor wear resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A stator core of a wind power generator, which is prepared according to the following process:

[0024] The iron-based amorphous alloy material (Fe 80 Si 9 B 11 ) according to the design size of the iron core to be stacked into preforms, then heated to 600°C, kept warm for 90 minutes, then lowered to room temperature, then dipped into the adhesive, heated to 90°C, kept warm for 6 hours, taken out, and ready to be obtained;

[0025] The adhesive is prepared according to the following steps:

[0026] Mix nano-silica and tetrabutyl titanate at a mass ratio of 2:1 to obtain a mixture, then add it to absolute ethanol of the same mass as the mixture, stir evenly, and ultrasonically disperse for 5 minutes to obtain component A;

[0027] Add nano-diatomaceous earth to twice the weight of 5M hydrochloric acid aqueous solution, stir at 300rpm for 30min, then let stand for 60min, and dry at 80°C to obtain component B;

[0028] Crush the montmorillonite, and then put it into a ...

Embodiment 2

[0031] A stator core of a wind power generator, which is prepared according to the following process:

[0032] Stack the iron-based amorphous alloy material into a preform according to the design size of the iron core, then heat it to 600°C, keep it warm for 90 minutes, then lower it to room temperature, then impregnate it into the adhesive, heat it to 90°C, keep it warm for 6 hours, take it out , that is;

[0033] The adhesive is prepared according to the following steps:

[0034] Mix nano silicon dioxide and tetrabutyl titanate at a mass ratio of 2:1, then add it to anhydrous ethanol of the same mass, stir evenly, and ultrasonically disperse for 10 minutes to obtain component A;

[0035] Add nano-diatomaceous earth to twice the weight of 5M hydrochloric acid aqueous solution, stir at 300rpm for 30min, then let stand for 60min, and dry at 80°C to obtain component B;

[0036] Crush the montmorillonite, and then put it into a ball mill for ball milling to obtain a powder with...

Embodiment 3

[0039] A stator core of a wind power generator, which is prepared according to the following process:

[0040] Stack the iron-based amorphous alloy material into a preform according to the design size of the iron core, then heat it to 600°C, keep it warm for 90 minutes, then lower it to room temperature, then impregnate it into the adhesive, heat it to 90°C, keep it warm for 6 hours, take it out , that is;

[0041] The adhesive is prepared according to the following steps:

[0042] Mix nano-silica and tetrabutyl titanate at a mass ratio of 2:1, then add it to anhydrous ethanol of the same quality, stir evenly, and disperse it ultrasonically for 8 minutes to obtain component A;

[0043] Add nano-diatomaceous earth to twice the weight of 5M hydrochloric acid aqueous solution, stir at 300rpm for 30min, then let stand for 60min, and dry at 80°C to obtain component B;

[0044]Crush the montmorillonite, and then put it into a ball mill for ball milling to obtain a powder with a pa...

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PUM

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Abstract

The invention belongs to the technical field of generator manufacturing, and discloses a stator core of a wind generator. The stator core of the wind generator is prepared by the following processes of stacking an iron-based amorphous alloy material into a preformed part, heating the preformed part to 600 DEG C, carrying out heat preservation for 90 minutes, cooling the preformed part to a room temperature and dipping the preformed part into an adhesive; and heating the adhesive to 90 DEG C, carrying out heat preservation for 6 hours and taking out the preformed part. The stator core has abrasive resistance, low energy consumption and loss and a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of generator manufacturing, and in particular relates to a stator core of a wind power generator. Background technique [0002] A wind turbine is a power device that converts wind energy into mechanical work, which drives the rotor to rotate, and finally outputs alternating current. In a broad sense, wind energy is also solar energy, so it can also be said that a wind generator is a thermal energy utilization generator that uses the sun as a heat source and the atmosphere as a working medium. The generator stator core is an important component, and its performance requirements are low core loss at a certain frequency and magnetic flux density, and high magnetic flux density at a certain magnetic field strength. Crystal alloy materials are required to retain the characteristics of low core loss and high magnetic permeability at high frequencies. [0003] Adhesive, as one of the main raw materials of magneti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/12
Inventor 张杰
Owner LINYI UNIVERSITY
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