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gis equipment and its vfto suppression device

A technology of suppressing device and radial arrangement, applied in the direction of circuit device, switch device, switch device setting, etc., can solve the problems of complex processing and assembly of conductive rod and resistance, achieve reliable electrical contact, improve stability, reduce vibration and the effect of noise

Active Publication Date: 2021-02-23
PINGGAO GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The purpose of the present invention is to provide a VFTO suppression device, which can solve the problem of complex processing and assembly of conductive rods and resistors in the prior art; another purpose of the present invention is to provide a GIS device using the VFTO suppression device

Method used

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  • gis equipment and its vfto suppression device
  • gis equipment and its vfto suppression device

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Embodiment Construction

[0080] The specific embodiment of the present invention is described now in conjunction with accompanying drawing, as figure 2 As shown, it is Embodiment 1 of the VFTO suppression device in the present invention: the VFTO suppression device includes two conductive rods 201 arranged at intervals along its axial direction, and the conductive rods 201 are connected in the circuit and can play the role of conducting the circuit. A plurality of branch conductors 205 arranged in parallel are provided between the two conductive rods 201 , and the branch conductors 205 are respectively connected between the two conductive rods 201 , forming a structure arranged in parallel between the conductive rods 201 . The branch conductors 205 can shunt the current passing through the conductive rod 201. On the outer peripheral surface of each branch conductor 205, the magnetic ring string group 202 and the magnetic ring stoppers at the two ends of the magnetic ring string group 202 are sheathed....

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Abstract

The invention relates to the technical field of electric power equipment, and specifically provides a VFTO suppression device and GIS equipment using the VFTO suppression device. The VFTO suppression device includes conductive rods arranged at intervals along the axial direction of the conductive rods. At least two branch conductors are arranged in parallel between the conductive rods. The outer peripheral surface of each branch conductor is provided with a magnetic ring string group. The two magnetic ring string groups The end is provided with a transition ring that cooperates with the corresponding magnetic ring stop to position the magnetic ring string group. The outer surface of the magnetic ring string group and the transition ring is sleeved with a resistance tube. The inner ring surface of the transition ring is fixed to the branch conductor. And the contact conduction, the surface of the transition ring and the resistance cylinder are fixed and contact conduction. The VFTO suppressing device of the present invention can solve the problem of complex processing and assembling of the conductive rod and the resistor in the prior art.

Description

technical field [0001] The invention relates to the technical field of electric power equipment, in particular to a GIS equipment and a VFTO suppression device thereof. Background technique [0002] Every operation of the disconnector in the gas-insulated metal-enclosed switchgear (GIS) has dozens or even hundreds of re-ignitions, the voltage at both ends of the contact gap suddenly drops within a few ns, and the voltage steep wave in the GIS Traveling waves are continuously generated, complex refraction, reflection and superposition occur, and ultra-fast transient overvoltage (hereinafter referred to as VFTO) is generated. VFTO is a special overvoltage, which has three main characteristics: first, the frequency bandwidth (from zero to hundreds of MHz); second, the steepness (the rise time can be as low as several ns); third, the amplitude is high (can be up to 3p.u.). [0003] VFTO has an important impact on the safe operation of GIS equipment, external connection equipme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/04H02B13/035
CPCH02B13/035H02H9/04
Inventor 裴涛金光耀郭煜敬柏长宇姚永其叶三排李丽娜王志刚庞福滨
Owner PINGGAO GRP
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