Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate

A lightning arrester and small diameter technology, applied in the field of arresters, can solve the problems of affecting the distributed capacitance of the arrester valve plate, affecting the voltage distribution of the arrester, etc., and achieve the effects of improving the ability to limit lightning overvoltage, simple structure, and improving service life.

Active Publication Date: 2021-12-21
XI AN JIAOTONG UNIV
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Problems solved by technology

From an electrical analysis, this will inevitably affect the distributed capacitance of the original arrester v

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  • Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate
  • Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate
  • Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate

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[0034] Below in conjunction with the accompanying drawings of the present invention in embodiments, the technical solutions in the embodiments of the present invention are clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art are in the range of the present invention without making creative labor premise.

[0035] In the description of the present invention, it is to be understood that the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", " the orientation shown in the drawings based on the positional relationship or vertical "," horizontal "," top "," bottom "," inner "," outer "," side "," end "," side "etc., indicate the orientation or position relationship, is merely for convenience of description of the invention and ...

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Abstract

The invention discloses a zinc oxide lightning arrester with a controllable part adopting a small-diameter valve plate. The lightning arrester comprises a fixed part and the controllable part, and is characterized in that one end of the controllable part is connected with a gas gap unit, the other end of the controllable part is connected with one end of the fixed part, the fixed part and the controllable part respectively comprise at least one layer of lightning arrester valve plate, the multiple layers of lightning arrester valve plates are connected in series, and the diameter of the lightning arrester valve plate of the fixed part is larger than that of the lightning arrester valve plate of the controllable part. The lightning arrester is simple in structure, the charge rate can be reduced, the service life of the lightning arrester is prolonged, and the aim of enhancing the lightning overvoltage limiting capacity is achieved when lightning voltage comes.

Description

technical field [0001] The invention belongs to the technical field of lightning arresters, and in particular relates to a zinc oxide lightning arrester whose controllable part adopts a small-diameter valve plate. Background technique [0002] The interior of the conventional zinc oxide arrester is multi-layer zinc oxide valve plates of the same model and specification connected in series. If it is necessary to control or test the performance of the arrester valve, it must be installed in parallel at both ends of the valve, which will inevitably increase the diameter of the arrester, that is, change the original specification of the arrester. From an electrical analysis, this will inevitably affect the distributed capacitance of the original arrester valve, and further affect the parameters such as the voltage distribution of the arrester under normal operation. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a ...

Claims

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Application Information

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IPC IPC(8): H01C7/12H01C1/14
CPCH01C7/12H01C1/14
Inventor 杨兰均肖昕岩黄军翔
Owner XI AN JIAOTONG UNIV
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