Fault influence factor quantitative analysis method based on high voltage switch

A technology of high-voltage switches and influencing factors, which is applied in the field of quantitative analysis of fault-influencing factors based on high-voltage switches, can solve problems such as subjective limitations and difficult references for operation and maintenance work guidance, so as to improve service life, simplify difficulty, The effect of ensuring stability

Inactive Publication Date: 2018-01-26
XIAN HIGH VOLTAGE APP RES INST CO LTD
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Problems solved by technology

The current fault influencing factors are mainly discovered by operators or technicians through the operation and maintenance data and their experience. In the face of increasingly complex intelligent and automatic high-voltage switchgear, t

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  • Fault influence factor quantitative analysis method based on high voltage switch
  • Fault influence factor quantitative analysis method based on high voltage switch
  • Fault influence factor quantitative analysis method based on high voltage switch

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Embodiment Construction

[0040] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0041] The invention can quantitatively excavate and analyze the failure influencing factors of the operation and maintenance data of the high-voltage switch. Based on the data mining algorithm, through the construction of a specific mathematical model, the recorded and accumulated high-voltage switch operation and maintenance data are deeply mined, and the relationship between the fault type and some operation and maintenance factors is obtained to form a complete quantitative analysis system. Quantitative analysis of switchgear failure influencing factors provides corresponding methods. By preprocessing the operation and maintenance data of high-voltage switches, it paves the way for the quantitative analysis of high-voltage switches based on the operation and maintenance data, thereby impr...

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Abstract

The invention provides a fault influence factor quantitative analysis method based on a high voltage switch and can acquire accurate relationship between fault influence factors and corresponding fault types. The method comprises steps (1) initial data is acquired according to operation parameter data and fault type data after data classification; (2), standard processing on the initial data is carried out; (3), the operation parameter data taken as an independent variable and the fault type data taken as a dependent variable are introduced to regression analysis to acquire an optimal high voltage switch fault influence factor quantitative analysis model; (4), regression diagnosis of a Logistic regression equation of the model is carried out, if the model is qualified, the progress turns to a step (5); if not qualified, a secondary optimal high voltage switch fault influence factor quantitative analysis model of the step (3) is utilized to carry out regression diagnosis till the modelis qualified, the progress turns to the step (5); (5), according to the qualified optimal high voltage switch fault influence factor quantitative analysis model of the step (4), quantitative analysison the Logistic regression equation is carried out to acquire high voltage switch fault influence factors.

Description

technical field [0001] The invention relates to the operation and maintenance analysis of high-voltage switches, in particular to a quantitative analysis method based on high-voltage switch fault influencing factors. Background technique [0002] High-voltage switches refer to electrical appliances with a rated voltage of 3kV and above, which are mainly used to break and close conductive circuits. Its alias is called high-voltage circuit breaker. This type of product can not only cut off or close the no-load current and load current in the high-voltage circuit, but also cut off the overload current and short-circuit current through the function of the relay protection device when the system fails. Perfect arc extinguishing structure and sufficient breaking capacity. High-voltage switches are usually electromechanical-hydraulic integrated equipment, which are mainly installed in different substations in various regions in the power grid, to break the circuit to achieve norma...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06F17/18
CPCY04S10/50
Inventor 李翌辉史亚斌杜文钊王东高智张镁
Owner XIAN HIGH VOLTAGE APP RES INST CO LTD
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