Online oil filtering device with intelligent frequency conversion function for main transformer load switch and method
An oil filtering device and a functional technology, which is applied in the field of online oil filtering device of main transformer on-load switch, can solve the problems of on-load switch burning and tripping of main transformer, heavy-watt action of Buchholz relay, and inability to automatically control operation, etc. The effect of running time, reducing the number of power outages, and reducing the maintenance workload
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[0026] Such as Figure 1~11 As shown, a main transformer on-load switch oil filter device with intelligent frequency conversion function includes an oil pump driven by a frequency conversion motor and a particle density detector for detecting the transformer oil in the oil storage tank. The frequency conversion motor is composed of A frequency converter is connected with a motor, the oil inlet of the oil pump is connected with an oil inlet pipe that goes deep into the oil storage barrel, the oil inlet pipe is provided with an oil inlet valve, and the oil outlet of the oil pump is connected with a The oil outlet pipe of the oil drum, the oil outlet pipe is provided with an oil outlet valve, a filter tank and an electric contact pressure gauge, and the electric contact pressure gauge is connected to a frequency conversion motor and a pressure alarm, and the frequency converter of the frequency conversion motor and the particle density The detector is electrically connected to th...
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