20KV vacuum switch cabinet non-contact switch

A technology of non-contact switch and vacuum switch, which is applied in the direction of electronic switch, electrical components, pulse technology, etc., can solve the problems of power grid and electrical equipment impact, high-voltage switch conduction and arc generation, etc. The effect of improving stability

Inactive Publication Date: 2013-05-08
SHANDONG SHANDA CENTURY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a non-contact switch for a 20kV vacuum switchgear, which solves the problem that an arc is generated during the on-off operation of the high-voltage switch in the prior art, causing impact on the power grid and electrical equipment

Method used

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  • 20KV vacuum switch cabinet non-contact switch
  • 20KV vacuum switch cabinet non-contact switch
  • 20KV vacuum switch cabinet non-contact switch

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0043] like figure 1 As shown, in the first embodiment of a 20kV vacuum switchgear non-contact switch of the present invention, the 20kV vacuum switchgear non-contact switch includes:

[0044] Non-contact switch device, used to avoid arcing in the process of switching the circuit;

[0045] The trigger controller is used for generating a trigger pulse to control the non-contact switch device synchronously, and is connected with the no...

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Abstract

The invention provides a 20KV vacuum switch cabinet non-contact switch which resolves the problem that impact on power grids and electrical equipment is caused because electric arc is generated during operational processes of turn-on and turn-off of high-voltage switches in the prior art. The 20KV vacuum switch cabinet non-contact switch comprises a non-contact switch device and a trigger controller. The non-contact switch device is used for avoiding generating electric arc during a circuit switching process. The trigger controller is used for generating trigger pulse so as to synchronously control the non-contact switch device and is connected with the non-contact switch device. By means of the 20KV vacuum switch cabinet non-contact switch, electric arc or spark does not occur during turn-on and turn off processes, impact on power grids and electrical equipment is reduced to the minimum degree, stability and reliability of power grids are enhanced, and service life of electrical equipment and high-voltage switches is prolonged. In addition, the 20KV vacuum switch cabinet non-contact switch is quick in operation, can be operated frequently, and is long in service life, high in reliability and capable of being used in special fireproof, anti-explosion and moisture-proof environments.

Description

technical field [0001] The invention relates to the technical field of electrical switch manufacturing, in particular to a non-contact switch of a 20kV vacuum switch cabinet. Background technique [0002] At present, there are mainly three types of high-voltage switches, such as oil-less circuit breakers, vacuum circuit breakers, and SF6 circuit breakers. They all generate arcs in the process of switching the circuit, and the forced arc extinguishing process will produce different degrees of current mutation, causing overvoltage and Electromagnetic interference phenomenon; when switching inductive or capacitive loads such as transformers, motors, and capacitor banks, a large transient current will be generated, which will affect the stability of the power grid and electrical equipment and the normal use of electrical equipment. Therefore, in many occasions with high requirements for the stable operation of the power grid and electrical equipment, the existing switches cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/72
Inventor 崔玉新谢士雷张荣泽
Owner SHANDONG SHANDA CENTURY TECH
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