Electric machine stator wire bar multifactor ageing device and method

A motor stator and aging device technology, which is applied in the direction of electromechanical devices, manufacturing motor generators, electrical components, etc., can solve the problems that the aging process of motor wire rod insulation cannot be simulated, and the aging law and conclusion of stator insulation cannot be obtained, so as to reduce contact The effect of resistance

Inactive Publication Date: 2003-03-12
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

Therefore, the current aging methods and devices cannot simulate the real aging process of the motor wire rod insulation, and cannot obtain the real aging law and conclusions of the stator insulation.

Method used

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  • Electric machine stator wire bar multifactor ageing device and method
  • Electric machine stator wire bar multifactor ageing device and method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and the specific examples completed by the inventor according to the above-mentioned technical solutions.

[0024] Referring to the accompanying drawings, the present invention is a multi-factor aging test device for the insulation of a large-scale generator or motor wire rod stator, which mainly includes a vibration table 15, a step-up transformer 1, a heating plate 4, a heating power control cabinet 14, a thermocouple 19, Temperature controller 3 , vibrator 11 , power amplifier 12 , signal generator 13 , acceleration sensor 8 , displacement sensor 7 , wire bar sample holder 16 and heating plate support 17 . The device can carry out multi-factor aging of various wire rods, and realize automatic protection and timing. The four aging parameters can be adjusted as needed to meet the aging requirements of different wire rods. System diagram as figure 1 shown.

[0025] The...

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Abstract

The invented aging device and aging method for investigating the aging rule, the life test and quality analysis of the insulation of the stator wire bar. The invented device can apply the aging stresses of the electricity, heat, mechanism as well as the thermal and mechanical stress to the wire bar tested so as to simulate the aging process of the sample of the stator wire bar without damaging the sample. The transformer provided the electric aging factor. The heating plate provides the thermal aging factor. The temperature control device controls the thermal aging temperature. The vibration generator provides the vibration stress. Adjusting the output waveform of the signal generator can change the mode of the vibration. The heating and cooling cycles can be scheduled. Thus, the four aging stresses can be combined in order to meet different aging requirement.

Description

1. Technical field [0001] The invention belongs to the technical field of electric motors, and relates to a method and device for an accelerated aging test, in particular to a multi-factor aging device for a motor stator wire rod and an aging method thereof. 2. Background technology [0002] The multi-factor accelerated aging of the motor bar is one of the important methods to study the aging law of the stator bar insulation and evaluate the remaining life of the insulation, and it is also one of the procedures to test the product quality during the development of new products. The design life of the general motor bar is 20 years, so in order to study the aging law of the stator bar insulation, it is necessary to carry out the accelerated aging test on the motor bar. At present, the experimental research on accelerated aging of stator bar insulation has been initially carried out at home and abroad, providing theoretical guidance and experimental data for the aging state dia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K3/30H02K15/00
Inventor 谢恒堃乐波宋建成卢伟胜
Owner XI AN JIAOTONG UNIV
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