Gas relay for oil-immersed transformer

An oil-immersed transformer and relay technology, applied in transformer/inductor components, high-voltage air circuit breakers, high-voltage/high-current switches, etc., can solve problems such as signal generation, delay, and complex structure

Inactive Publication Date: 2021-03-09
丁月平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a gas relay for an oil-immersed transformer, which has the advantages of simple structure, instant response to the cooling oil heating after the transformer is damaged, and its heating speed, and solves the problem of complex internal structure of the equipment and delayed signal generation. question

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  • Gas relay for oil-immersed transformer
  • Gas relay for oil-immersed transformer
  • Gas relay for oil-immersed transformer

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1-7 , a gas relay for an oil-immersed transformer, comprising a device body 1, a device cover 2 is fixedly installed on the upper surface of the device body 1, a junction box 3 is fixedly installed on one side of the upper surface of the device cover 2, and a junction box 3 is fixedly installed on the upper surface of the device cover 2 The other side is fixedly installed with a vent valve 4, and the upper part of the inside of the body 1 is...

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Abstract

The invention relates to the technical field of transformer equipment, and discloses a gas relay for an oil-immersed transformer. The gas relay comprises a relay body; a relay cover is fixedly arranged on the upper surface of the relay body, and a junction box is fixedly arranged on one side of the upper surface of the relay cover. According to the gas relay for the oil-immersed transformer, the arc-shaped electric connection groove wound in the rotating oil cup is matched with the electric conduction column, and the electric conduction column is communicated with the winding coil through thearc-shaped electric connection groove, so that when gas is slowly generated by the transformer and the relay is in a light gas state, the slowly generated gas is partially accumulated on the device body; the signal lamp emits weak light, the more the gas is accumulated in the device body, the larger the rotary descending distance of the rotary oil cup is, the conductive air column slides on the arc-shaped power connection groove, the resistance of a path formed by the contact of the conductive air column and the winding coil is reduced, and the signal light is continuously intensified. The oiltemperature heating speed after the transformer is damaged can be calculated.

Description

technical field [0001] The invention relates to the technical field of transformer equipment, in particular to a gas relay for an oil-immersed transformer. Background technique [0002] The gas relay, also known as the gas relay, is a protective device used in transformers. It is installed in the pipeline between the oil conservator and the oil tank of the transformer. When the internal fault of the transformer is used to decompose the oil to generate gas or cause the oil flow to surge, it is used. The contact action of the gas relay connects the designated control circuit, and sends out a signal alarm in time. At this time, it is in the light gas state. When the protection element is activated to automatically cut off the transformer, it is in the heavy gas state. [0003] When the transformer breaks down, the cooling oil in the transformer heats up, gas is produced slowly, and the oil flow speed increases slightly. At this time, it is a light gas device, and the gas genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/55H01F27/40H01H9/16H01H33/42
CPCH01F27/402H01F2027/404H01H9/161H01H33/42H01H33/555
Inventor 丁月平
Owner 丁月平
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