Corona aging acceleration device and method for polymer insulating material
A technology of insulating materials and corona aging, which is applied in the direction of testing the dielectric strength, etc., can solve the problems of little research on the mechanism of aging, insufficient scientific considerations, and poor operability, etc., to achieve corona discharge current monitoring, The effect of low experimental conditions and easy quantitative control
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[0030] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.
[0031] see figure 1 , 2 and 3, the device for accelerated corona aging of polymer insulating materials provided by the present invention comprises a closed corona aging test box 7, and a needle array electrode 10 and a metal plate electrode 11 are arranged in the corona aging test box 7; The array electrode 10 is connected with the high-voltage generating device, and the metal plate electrode 11 is grounded; the needle array electrode 10 is provided with a needle point array, and the sample 13 is placed on the metal plate electrode 11 and facing the needle point array; after the voltage is applied, the needle array electrode 10 A uniform corona discharge is generated between the metal plate electrode 11 and the sample 13 is subjected to corona aging.
[0032] Specifically, by applying high v...
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