Oil filtering device for electrified oil filter of ultra-high voltage transformer

Abstract

An oil filtering device for electrified oil filter of ultra-high voltage transformer comprises an oil pump. The outlet pipe of the oil pump is connected to the inlet of the outer casing of a filter element, the outer casing of the filter element is internally provided with the filter element, and the outer casing of the filter core is provided with a filter element outer casing outlet. A degassingtank is arranged on a pipeline between the filter element outer casing outlet and the outlet of the oil pump. An electrostatic device is arranged on the inlet pipeline of the oil pump. An oil discharge pump is arranged on the outlet pipe of the outer casing of the filter element. A circulating oil pump that draws oil towards the degassing tank is connected between the inlet of the oil discharge pump and the inlet of the degassing tank. The filter element is mainly made of activated clay, silica gel and adsorbent. The UHV transformer does not need to be powered off during normal operation. Theload heat energy during normal operation of the transformer is employed to replace traditional required power sources. Processing of nine oil quality indexes can be completed at the same time in theprocessing process.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to an oil filtering device used for live oil filtering of ultra-high voltage transformers, which can be used for ultra-high voltage transformer live fine filtering of nine indicators of transformer oil. Background technique [0002] The life of a transformer in normal operation depends on the quality of the transformer oil. After several years of operation for a newly installed transformer, the quality of the oil will change to varying degrees. The greater the load of the transformer, the greater the heat energy generated. The body is affected by the heat energy, and its solid matter expands. Transformer oil, as the liquid insulation medium for cooling the inner body, will fuse some tiny impurities and dust on the solid surface into the oil during the process of thermal buoyancy displacement of the heat energy. Under the action of the electric field and working te...

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Problems solved by technology

[0009] 2.1 There have been live oil filter equipment at home and abroad, and its characteristics are mainly for transformer switching oil with less oil and oil-less transformer oil filter with lower voltage level. When using the above live oil filter equipment, the working time is long and the efficiency is high. Low cost, high cost, and a single index for oil filtration projects, and this live oil filtration equipment needs to be equipped with a heating power supply and an intermediate filter tank

At present, there is no data at home and abroad to show that live oil filtering and oil filtering equipment for ultra-high voltage transformers can intelligently process nine kinds of oil project indicators at the same time, and use the thermal energy efficiency generated by the transformer itself to realize energy-saving live oil filtering. Fastest oil effect, high precision, saving time and energy

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