Novel transformer heat radiator fixing structure

Abstract

The invention relates to a novel transformer heat radiator fixing structure which comprises at least two groups of heat radiators, a transformer oil tank and fixing devices. The at least two groups of heat radiators are connected into a whole by the traverse fixing device, and the transformer oil tank is connected with the at least two group of heat radiators through the longitudinal fixing device. The invention has the advantages of not only connecting all the groups of heat radiators into a whole, but also connecting the heat radiators with a transformer body together, firmly connecting the radiators together as well as the radiators with the oil box body together, and the connection is firm and not easy to destroy and is durable for a long time.

Description

Technical field [0001] The invention relates to a new type of fixing structure for a transformer radiator, belonging to the technical field of power generation, transformation and power distribution. Background technique [0002] The fixing method of the traditional detachable transformer radiator is very simple. It only uses a flat steel (or round steel) to connect the groups of radiators into a whole. Due to the magnetostriction of the iron core sheet during the operation of the transformer, the vibration of the iron core sheet is generated. And the vibration caused by the electromagnetic force vibration during the normal operation of the windings will drive the transformer as a whole to vibrate. Because the radiator is installed vertically on the oil tank of the transformer body, the connection with the oil tank only depends on the upper and lower butterfly valves. The radiator itself filled with transformer oil is relatively heavy. Take the PC2000-26 / 520 radiator as an exampl...

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Problems solved by technology

[0002] The fixing method of the traditional detachable transformer radiator is very simple, just use a flat steel (or round steel) to connect each group of radiators into a whole, due to the magnetostriction of the core piece during the operation of the transformer, the vibration of the core piece, And the vibration caused by the electromagnetic force vibration of the winding during normal operation will drive the transformer to vibrate as a whole. Since the radiator is installed vertically on the oil tank of the transformer body, the connection with the oil tank is only connected to the upper and lower butterfly valves. The radiator itself filled with transformer oil is relatively heavy. Take PC2000-26 / 520 radiator as an example, its weight can reach 620 kg after it is filled with oil. It will cause some damage to the seal of the butterfly valve at the junction of the radiator and the oil tank of the main body, and oil leakage will occur over time, which will bring trouble to the maintenance of the transformer

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