A method to eliminate small gap discharge

A small gap and discharge gap technology, applied in electrical components, emergency protection circuit devices for limiting overcurrent/overvoltage, circuit devices, etc. Achieve the effect of improving reliability, eliminating dispersion, avoiding malfunction and transformer damage

Active Publication Date: 2022-07-12
HUIWANG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for eliminating discharge in small gaps, which can solve the problem of large dispersion caused by air as the insulating medium, which will lead to malfunction of the protection device and damage to the transformer, and reduce the damage caused by the malfunction of the protection device. electrical damage

Method used

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  • A method to eliminate small gap discharge
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Embodiment

[0028] see Figure 1-Figure 2 , Figure 1-Figure 2 A schematic diagram of the method for eliminating small gap discharge provided by the embodiment of the present application is shown. The method for eliminating small gap discharge includes a first stabilizer, a second stabilizer and a driving mechanism, the first stabilizer is slidably mounted on the first discharge member 2, the second stabilizer is slidably mounted on the second stabilizer, and Both the first stable frame and the second stable frame slide along the direction from the first discharge member 2 to the second discharge member 3, and the plasma jet generator 5 is connected to the first stable frame and the second stable frame Meanwhile, the above-mentioned driving mechanism is used to drive the above-mentioned plasma jet generating device 5 to move along the direction from the above-mentioned first discharge member 2 to the above-mentioned second discharge member 3 .

[0029] In detail, the casing 1 is provide...

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Abstract

The invention provides a method for eliminating small gap discharge, which relates to the field of electricity consumption. A method for eliminating small-gap discharge, comprising a casing, a plasma jet generating device, and a first discharge part and a second discharge part oppositely arranged in the casing, and between the first discharge part and the second discharge part A discharge gap is provided, the plasma jet generating device acts on the discharge gap, and is adjustably connected to the casing along the space between the first discharge member and the second discharge member, and one end of the first discharge member protrudes from the above-mentioned The outside of the casing is used for connecting to the transformer, and the above-mentioned second discharge member extends out of the above-mentioned casing and is used for grounding. The method can solve the problem of large dispersion caused when the insulating medium is air, which leads to malfunction of the protection device and damage to the transformer, and reduces electrical damage caused by the malfunction of the protection device.

Description

technical field [0001] The invention relates to the field of electricity consumption, in particular to a method for eliminating small gap discharge. Background technique [0002] When the transformer is used in the gas-filled cabinet, in order to limit the zero-sequence impedance of the transformer system, the grounding method in which some neutral points of the transformers are directly grounded and some neutral points of the transformers are not grounded is generally adopted. Because 110kV and 220kV kilovolt transformers usually use graded insulation, when the neutral point is not grounded, in order to protect the neutral point insulation, the neutral point of the transformer is usually grounded in parallel with the protection gap and the arrester. The standard lightning impulse discharge voltage of the gap should be lower than the lightning impulse protection level of the neutral point of the transformer, the arrester cannot withstand power frequency overvoltage exceeding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/06H02H7/04
CPCH02H9/06H02H7/04
Inventor 徐峰梁意珍徐鑫
Owner HUIWANG ELECTRIC
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