Decomposition experiment platform for air partial discharge in switch cabinet and experiment method therefor
An internal air, partial discharge technology, applied in the field of switchgear, to achieve the effect of strong corrosion resistance, good permeability, and improve authenticity and accuracy
Inactive Publication Date: 2018-01-16
WUHAN UNIV
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Problems solved by technology
But at present, there are few researches at home and abroad on the application of gas component analysis method for PD detection of switch cabinets on PD characteristic gas.
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[0033] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0034] Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0035] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. They are examples only and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpo...
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Abstract
The invention relates to the technical field of switch cabinets and specifically relates to a decomposition experiment platform for air partial discharge in a switch cabinet and an experiment method therefor. The decomposition experiment platform comprises an air discharge fault simulation experiment research platform, a defect fault typical defect simulation physical model, an air humidity adjusting device and an air discharge decomposition product detection system, wherein the defect fault typical defect simulation physical model is placed in the air discharge fault simulation experiment research platform, the air humidity adjusting device is connected with the air discharge fault simulation experiment research platform, and the air discharge decomposition product detection system is connected with the air humidity adjusting device. Via the experiment platform, four typical insulation defect models that can reflect partial discharge occurrence mechanisms and occurrence positions aredesigned, and the models can be switched directly in a discharge decomposition air chamber during experiments according to requirements. Veracity and accuracy of experiment results can be improved, diversity of gases that can be detected can be improved, detection precision can be improved, and decomposition constituents can be detected in real time.
Description
technical field [0001] The invention belongs to the technical field of switch cabinets, in particular to an experimental platform for partial discharge decomposition of air inside a switch cabinet and an experimental method thereof. Background technique [0002] As an important equipment in the power system (power plant, substation), the high-voltage switchgear undertakes the important task of breaking and closing the power line, realizes the function of transmitting and switching the power load, and withdrawing the faulty equipment or faulty line from the power system. Ensure the safe and reliable operation of the power system. In the process of manufacturing, distribution, installation, operation and maintenance of switchgear, various insulation defects will inevitably occur in the switchgear, for example, it is easy to leave metal burrs on the conductor during manufacturing, and it is easy to cause parts The loosening or poor contact performance, the air gap formed by th...
Claims
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Inventor 王力农宋斌林桐简思亮李恩文方雅琪侯显洲陈康高嘉辰
Owner WUHAN UNIV