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Suspension discharge test model suspension discharge detection positioning device and method

A technology of discharge test and positioning device, which is applied in the direction of testing dielectric strength, etc., can solve the problem of difficult to use on-site live detection and other problems, and achieve the effect of accurate measurement results.

Inactive Publication Date: 2014-07-30
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] Traditionally, for partial discharge tests, the conventional detection method of IEC60270 is generally used, which is difficult to be used for on-site live detection

Method used

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  • Suspension discharge test model suspension discharge detection positioning device and method
  • Suspension discharge test model suspension discharge detection positioning device and method
  • Suspension discharge test model suspension discharge detection positioning device and method

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with the accompanying drawings.

[0050] Such as Figure 1-3 As shown, a suspension discharge test model suspension discharge detection and positioning device is characterized in that it includes: suspension discharge model 1, high voltage power supply 2, test GIS model 3, UHF sensor 4, ultrasonic sensor 5, UHF amplifier 6 , ultrasonic amplifier 7, oscilloscope 8, ground wave sensor 9 and ground wave amplifier 10;

[0051] The suspended discharge model 1 is located inside the cavity of the test GIS model 3, and one end of the high-voltage conductor in the high-voltage bushing 11 is connected to the high-voltage end 101 of the suspended discharge model 1, and the high-voltage conductor in the high-voltage bushing 11 The other end of the high-voltage power supply 2 is connected to the high-voltage side, and the ground side of the high-voltage power supply 2 is connected to the shell of the test GIS mode...

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Abstract

The invention discloses a suspension discharge test model suspension discharge detection positioning device and method. The device comprises a suspension discharge model (1), a high voltage power supply (2), a test GIS model (3), an ultrahigh frequency sensor (4), ultrasonic sensors (5), an ultrahigh frequency amplifier (6), an ultrasonic amplifier (7), an oscilloscope (8), a ground electric wave sensor (9) and a ground electric wave amplifier (10). The suspension discharge test model suspension discharge detection positioning device and method are applied to on-site charged detection, multiple detection methods are adopted, detection results can be verified mutually, accuracy of the detection results is further ensured, suspension discharge characteristics are further researched in theory, and reliable theoretical bases are provided for detection of suspension discharge generated by an actual site to the inside of primary power equipment.

Description

technical field [0001] The invention relates to a suspension discharge test model suspension discharge detection and positioning device and method, in particular to a suspension discharge test model suspension discharge detection and positioning device with high detection sensitivity, high accuracy, multiple detection methods, and mutual verification of detection results The invention and the method belong to the technical field of partial discharge simulation model. Background technique [0002] Under normal circumstances, the insulation performance of power equipment operating in the grid can withstand the operating voltage. Due to the influence of manufacturing and installation processes, there may be bubbles, impurities, cracks, etc. inside the insulation of electrical equipment. Under the action of high-voltage alternating electric field, the electric field strength inside or on the surface will be too high, and periodic partial discharge will occur inside the insulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
Inventor 吴昊刘洋陶加贵贾勇勇周志成杨景刚
Owner STATE GRID CORP OF CHINA
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