Composite insulator aging state evaluation method and terminal equipment
A technology of composite insulators and aging state, which is applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve problems such as aging of operating performance, cracking of sheath, exposed mandrel, etc., and achieve the effect of ensuring safe and reliable operation
Active Publication Date: 2020-10-09
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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Problems solved by technology
[0004] In view of this, the embodiment of the present invention provides a method for evaluating the aging state of composite insulators and terminal equipment to solve the problem that in the prior art, the umbrella cover material for composite insulators is made of silicone rubber, and the running performance will continue to age and water repellency will appear. Failure problems such as loss, sheath rupture, and core rod exposure
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[0041] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0042] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0043] Such as figure 1 As shown, it is a flow chart of the steps of the method for evaluating the aging state of composite insulators provided by the embodiment of the present invention, including:
[0044] In step S101, the composite insulator to be tested is subjec...
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The invention is applied to the technical field of power grid safety and provides an evaluation method for aging state of a composite insulator and terminal equipment. The method comprises the following steps: respectively testing ageing resistance, macroscopic hydrophobicity, a hardness change value, a brightness change value and a molecular group change value of a to-be-tested composite insulator; determining an aging state value of the to-be-tested composite insulator according to an ageing resistance test result, a macroscopic hydrophobicity test result, a hardness change value test result, a brightness change value test result and a molecular group change value test result of the to-be-tested composite insulator; determining the aging degree of the to-be-tested composite insulator according to an aging state value. By adopting the scheme, quantitative evaluation of the aging state of the composite insulator can be realized, a serially-aging insulator is timely changed, and safe reliable operation of a power grid is ensured.
Description
technical field [0001] The invention belongs to the technical field of power grid safety, and in particular relates to a composite insulator aging state evaluation method and terminal equipment. Background technique [0002] Composite insulators are widely used in power systems due to their excellent anti-pollution flashover performance, especially because the ecological environment has been severely damaged in recent years. The excellent performance in area pollution flashover incidents has gradually made it the first choice for external insulation of transmission lines in my country. [0003] However, the umbrella cover material for composite insulators is made of silicone rubber. Due to the joint action of external environmental factors during operation, its operating performance will continue to age. Faults such as cracking and exposed mandrels may even lead to vicious power accidents such as pollution flashover and insulator drop-off in severe cases, affecting the safe,...
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IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 刘杰贾伯岩丁斌孙翠英田霖张志猛
Owner STATE GRID HEBEI ELECTRIC POWER RES INST