Main Transformer Ultrasonic Intelligent Cooling Device

Abstract

The invention relates to an ultrasonic intelligent cooling device for a main transformer. Including the main transformer, transformer oil contained inside the main transformer, several surrounding ultrasonic transmitting probes installed on the inner wall of the main transformer, surrounding electric field monitoring probes, ultrasonic generators installed outside the main transformer, electric field monitors, temperature detectors, control module, the inspection probe of the temperature detector extends into the transformer oil inside the main transformer. The invention can efficiently enhance the heat exchange and heat dissipation cooling ability, and greatly improves the heat exchange heat dissipation and cooling effect of the transformer oil in the main transformer compared with the static natural cooling method widely used in the main transformer.

Description

technical field [0001] The invention relates to an ultrasonic intelligent cooling device for a main transformer. Background technique [0002] During the operation of the main transformer, the winding and iron core will generate a large amount of heat due to the electromagnetic effect, which needs to be dissipated and cooled by the transformer oil. There are two main ways for the oil flow circulation of the main transformer. One is to install a circulating submersible pump to strengthen the oil Circulation cooling, the second is cooling by natural temperature difference. The first method requires an external high-speed mechanically rotating power oil pump, and if there is a tiny crack leaking in the negative pressure area of ​​the oil pump, cavitation will occur, and the humid air from the outside will be sucked into the main transformer, endangering the safe operation of the main transformer. Secondly, the oil pump will run at high speed for a long time Heat generation, es...

AI Technical Summary

Problems solved by technology

The first method requires an external high-speed mechanically rotating power oil pump, and if there is a tiny crack leaking in the negative pressure area of ​​the oil pump, cavitation will occur, and the humid air from the outside will be sucked into the main transformer, endangering the safe operation of the main transformer. Secondly, the oil pump will run at high speed for a long time Heat is generated, especially when the oil pump has a heating fault, it will cause the transformer oil flowing through the oil pump to be heated and cracked, which also endangers the safe operation of the main transformer, and at the same time causes misjudgment of the transformer oil chromatography monitoring test, and the oil pump is easily damaged due to long-term mechanical wear, etc.

The second way is the natural cooling of heat exchange by continuously reducing the temperature difference gradient, which requires a large increase in the amount of oil used and the heat dissipation area of ​​the main transformer to meet the satisfaction. Equipment investment cost and floor area

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