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End insulation improved structure for concentric winding of three-phase synchronous generator

A technology of concentric winding and end insulation, which is applied in the direction of the shape/style/structure of winding insulation, can solve the problems of coil short circuit, generator burnout, etc., achieve convenient placement, not easy to position shift, and reduce the probability of short circuit Effect

Inactive Publication Date: 2014-12-24
GAOYOU KETE MOTOR MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the generator works for a long time, the temperature of the coil rises, and the direct contact with the coil is very easy to cause a short circuit, resulting in the burning of the generator

Method used

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  • End insulation improved structure for concentric winding of three-phase synchronous generator
  • End insulation improved structure for concentric winding of three-phase synchronous generator
  • End insulation improved structure for concentric winding of three-phase synchronous generator

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Embodiment Construction

[0014] The present invention will be further illustrated below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0015] Such as Figure 1 to Figure 4 As shown, a three-phase synchronous generator concentric winding end insulation improvement structure, including the generator rotor, generator stator and three-phase winding coil 1, the gap between the three-phase winding coil 1 is provided with concave insulating paper 2 .

[0016] Preferably, the insulating paper 2 is provided with a first covering foot 3 and a second covering foot 4 covering the three-phase winding coil 1 .

[0017] Preferably, the insulating paper 2 is fixed on the three-phase winding coil 1 by six sets of binding straps 5 .

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Abstract

The invention discloses an end insulation improved structure for a concentric winding of a three-phase synchronous generator, which comprises a generator rotor, a generator stator and a three-phase winding coil. The gap of the three-phase winding coil is provided with concave insulation paper. According to the end insulation improved structure, special-shaped insulation paper which is suitable for the end coil winding structure of the generator is adopted, and convenient placement is realized. In the subsequent machining process, position offset does not easily occur. Shortcircuit possibility of a motor winding coil at the end of a stator is reduced, and insulation reliability between windings is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of generators, and in particular relates to an improved insulation structure at the ends of concentric windings of a three-phase synchronous generator. Background technique [0002] Three-phase synchronous diesel generator is a small power generation equipment powered by diesel engine. It is light in weight, small in size, easy to move, and can work continuously for a long time. It is widely used in communications, mining, road construction, forest areas, farmland, irrigation and drainage, field construction, and national defense projects. It is especially suitable for grid power grids Environments that cannot be delivered to. In addition, the three-phase synchronous diesel generator can be used as an emergency backup power supply, which can quickly provide a stable AC power supply in case of a power failure. [0003] At present, the stator windings of diesel generators in the market are mostly concentric ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K3/38H02K3/34
Inventor 赵玉鑫
Owner GAOYOU KETE MOTOR MFG