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Insulation simulated experimental device

A technology for simulating experimental devices and output terminals. It is applied in the directions of measuring devices, instruments, measuring electricity, etc. It can solve the problems of low accuracy and efficiency, and achieve the effect of improving accuracy and reliability, accurate test results, and accurate stability.

Inactive Publication Date: 2018-12-11
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2
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  • Abstract
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  • Application Information

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Problems solved by technology

The current inventors found that the existing testing for coil insulation defects has problems of low accuracy and efficiency, which has brought great troubles to related work

Method used

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  • Insulation simulated experimental device
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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0023] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0024] This application aims at the defects in the current insulation test of magnetic pole coils, especially the magnetic pole coils in large motors. This application proposes a method for detecting inter-turn insulation of coils by using power electronic equipment to...

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Abstract

The invention discloses an insulation simulated experimental device which comprises a three-phase voltage regulator, a rectifier bridge, a filtering capacitor, an inversion bridge, a resonance transmission unit, a high voltage transformer and a host computer. The input end of the three-phase voltage regulator is connected with a power supply, and the output end of the three-phase voltage regulatoris connected with the input end of the rectifier bridge; the filtering capacitor is arranged in the output end of the rectifier bridge in parallel, and the output end of the rectifier bridge is connected with the input end of the inversion bridge; the output end of the inversion bridge is connected with the input end of the resonance transmission unit; the output end of the resonance transmissionunit is connected with the input end of the high voltage transformer, and the output end of the high voltage transformer is connected with a tested sample; and the host computer is connected with atleast one selected from the power supply, the three-phase voltage regulator, the rectifier bridge, the inversion bridge, the high voltage transformer and the tested sample, and used to realize relatedcontrol and signal collection when the insulation performance of the tested sample is tested. Insulation test of related products can be realized rapidly and effectively, a test result is more accurate, and the security is higher.

Description

technical field [0001] The invention relates to the technical field related to insulation experiments, in particular to an insulation simulation experiment device. Background technique [0002] At present, improving energy utilization has become the direction of national energy development. In recent years, 1000MW generators have been connected to the grid to generate electricity. However, the inter-turn insulation level not only determines the safe and stable operation of the motor, but also is one of the main means of life evaluation. How to carry out the test of coil insulation defects, and find coils with insulation defects in time to ensure the overall reliability and life of the motor. The current inventors have found that the existing tests for coil insulation defects have problems of low accuracy and low efficiency, which has brought great troubles to related work. Contents of the invention [0003] In view of this, the purpose of the present invention is to provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01R31/14
CPCG01R31/1227G01R31/14
Inventor 徐在德李伟力辛建波李栋曹蓓曹君慈范瑞祥张晓晨潘建兵刘洋
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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