Sound insulation type oil immersed transformer

Abstract

The invention discloses a sound insulation type oil immersed transformer. The sound insulation type oil immersed transformer comprises an oil tank, a sound insulation device arranged in the oil tank as well as an iron core arranged in the sound insulation device, wherein a winding which is fixedly connected with the iron core is arranged at the upper end of the iron core; the sound insulation device comprises a sound insulation board, a damping base and a base plate; the damping base is arranged at the lower end of the sound insulation board and is used for fixing the iron core; the base plateis arranged at the lower end of the damping base; an inserted bar which is fixedly connected with the damping base is arranged at the lower end of the damping base; a casing pipe which is fixedly connected with the base plate is arranged at the upper end of the base plate; the inserted bar is correspondingly inserted into the casing pipe below the inserted bar; a spring is arranged between the inserted bar and the casing pipe. According to the sound insulation type oil immersed transformer, by use of the sound insulation board and the damping base, vibration and noise which are generated by the iron core and the winding during work can be well absorbed and isolated and higher practicality is realized.

Description

Technical field [0001] The invention relates to a soundproof oil-immersed transformer. Background technique [0002] In the process of transmitting electric energy, the transformer will have loss on its inner surface. The loss due to the resistance of the wire is related to the load current and is proportional to the load current. This part of the loss is basically converted into heat energy, resulting in transformer windings. The temperature rises, generally speaking, the coil winding of the transformer, especially the low-voltage winding, because the current is the largest when the transformer is running, the heat generated is the most, and the temperature is the highest, and the insulating material of the transformer has a certain temperature limit, which exceeds a certain limit. After the temperature, the insulation capacity will be greatly reduced, which will affect the safe operation of the transformer. However, the current transformer generally has insufficient heat dissip...

AI Technical Summary

Problems solved by technology

However, this equipment ignores the disadvantage that the existing oil-immersed power transformer has a particularly large noise during operation, and it is difficult to eliminate the noise caused by the vibration of the iron core and winding when they are running under high load.

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