Method and device for supplementing oil to electrified transformer sleeve pipe
A transformer bushing and oil replenishment device technology, which is applied to transformer/inductor parts, switchgear, circuits, etc., can solve the problems of high-altitude operation, cumbersome switching operation, and reduced insulation strength outside the bushing. Achieve high work safety and reliability, reduce the risk of total stop, and achieve good economic benefits
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[0022] The specific embodiments of the present invention will be further described below in conjunction with the drawings:
[0023] see figure 1 , figure 2 , Is a schematic diagram of the structure of an embodiment of the replenishing device of the present invention. One end of the oil injection valve 1 is connected to the oil inlet A of the self-priming pump 2 through the oil inlet pipe 3, and the other end of the oil injection valve 1 is connected to the device inlet 4; oil injection valve 2 5 One end is connected to the outlet B of the self-priming pump 2 through the outlet pipe 6, and the other end of the oil injection valve 5 is connected to the outlet 7 of the device; the outlet 7 of the device communicates with the inlet pipe 3 through the oil return pipe 8 and the oil return pipe 8 An oil return valve 9 is provided. The oil outlet pipe 6 is connected to the inlet 4 of the device through an oil return pipe 10, and an oil return valve 11 is provided on the oil return pipe ...
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