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A Parametric Modeling Method Applicable to Generator Stator Winding End Coils

A generator stator, parametric modeling technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of complex operation process, difficult finite element analysis of stator winding end structure, difficult to modify, etc.

Active Publication Date: 2017-07-07
SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the past, the modeling method of the end coil is to use the three-dimensional design software to establish the model, the operation process is relatively complicated, and it is not easy to modify, and it is not easy to apply to the finite element analysis of the stator winding end structure

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  • A Parametric Modeling Method Applicable to Generator Stator Winding End Coils
  • A Parametric Modeling Method Applicable to Generator Stator Winding End Coils
  • A Parametric Modeling Method Applicable to Generator Stator Winding End Coils

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Embodiment Construction

[0113] In order to make the present invention more obvious and understandable, the present invention will be further described with preferred embodiments.

[0114] The invention provides a parametric modeling method suitable for the end coils of the stator winding of the generator, the steps of which are as follows:

[0115] Step 1. Input the geometric parameters of the coil, including the total coil section width ECBW, the coil section total height ECBH, the coil section copper wire partial width ECBCW, the coil section copper wire partial height ECBCH, the coil section hollow copper wire hole width ECBCHW, and the coil section hollow copper Wire hole height ECBCHH, distance from coil to core center line TECRH, coil base circle radius TECRJ, coil straight line to cone surface transition chamfer radius TECR0, coil involute start chamfer radius TECR1, coil involute end chamfer Radius TECR2, length of the straight line out of the coil TECHZ, length of the straight line before th...

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Abstract

The present invention relates to a parametric modeling method applicable to the coil at the end of the stator winding of a generator, characterized in that the steps are as follows: Step 1, inputting the geometric parameters of the coil; Step 2, defining the cross-sectional shape of the coil; Step 3, Modeling of the geometric model of the end coil; step 4, establishing a finite element model of the coil. The invention has the advantages of parametrizing the modeling of the end coils of the stator winding and simultaneously establishing the finite element model of the end coils so as to be applied to the research on the vibration characteristics of the stator winding end structures.

Description

technical field [0001] The invention relates to a parametric modeling method for the end coil of the stator winding of a generator, which is suitable for various types of units whose end coils are involute expansion forms, and belongs to the calculation and improvement of the dynamic characteristics of the end structure of the stator winding of the generator technology field. Background technique [0002] The end coil of the stator winding plays an important role in outputting the induced current to the grid in the generator. Its vibration has always been the main concern in the research and development of generators. Since the end coils of the stator winding adopt the involute expansion method, it is difficult to establish a reasonable finite element model of the end coils. [0003] In the past, the modeling method of the end coil is to use the three-dimensional design software to build the model. The operation process is relatively complicated, and it is not easy to modi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 吴新亚刘文博魏燕飞王庭山王建萍胡建波
Owner SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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