Insulation test tool for gas-insulated metal-enclosed switchgear (GIS)
A technology of closed switchgear and gas-insulated metal, applied in the direction of testing dielectric strength, etc., can solve the problems of inconvenient docking between test equipment and GIS, difficult installation, and lack of universality of test equipment
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[0022] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.
[0023] Such as Figure 1-3 As shown, this embodiment includes: power frequency test transformer 1, lightning impulse generator (connected with lightning impulse introduction bushing 11, not shown in the figure), impulse voltage introduction bushing 11, voltage divider coupler 2, partial discharge Calibration terminals, three-phase transfer switches 5, 8, and four three-position isolating switches 3, 4, 9, 10, wherein: the output end of the first three-position isolating switch 3 is sequentially connected with the voltage divider coupler 2 and the power frequency test The transformer 1 is connected, the output end ...
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