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Fault early warning method of random power supply access equipment

A technology of random power supply and access equipment, which is applied in the direction of measuring electricity, measuring electrical variables, instruments, etc., which can solve the problems of inability to timely warn and repair the level of random power supply, low utilization level, time-consuming and labor-intensive, etc., so as to improve the normal operation time. , to meet the effect of plug and play, accurate and fast positioning

Active Publication Date: 2015-12-23
XUJI GRP +2
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Problems solved by technology

[0005] The present invention proposes a fault early warning method for random power access equipment, aiming to solve the problem that the existing artificial regular or irregular patrol inspection method is time-consuming and laborious and cannot be timely early warning and maintenance, so that the utilization level of random power is not high

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  • Fault early warning method of random power supply access equipment
  • Fault early warning method of random power supply access equipment
  • Fault early warning method of random power supply access equipment

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Embodiment Construction

[0035] The technical scheme of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] The specific steps of the method for pre-warning the failure of random power access equipment in this embodiment include the following:

[0037] 1) Obtain equipment information, equipment alarm information and equipment maintenance record information in real time;

[0038] 2) According to the equipment information, equipment alarm information and equipment maintenance record information, calculate the expected service life of the equipment and the correlation between the alarm type and the fault type, the correlation between the equipment use frequency and the fault type, the equipment use frequency and the alarm type Correlation between levels, determine the fault type corresponding to each alarm type, and calculate the probability of occurrence of the corresponding type of failure according to the frequency of the alarm type and the ...

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Abstract

The invention relates to a fault early warning method of random power supply access equipment. The method comprises the following steps: 1, obtaining equipment state information, alarm information and maintenance record information in real time; 2, according to the equipment state information and the maintenance record information, calculating the expected service life of the equipment, a relational degree between alarms and faults, a relational degree between application frequency and the faults and a relational degree between the application frequency and the alarms, and accordingly, calculating a fault generation probability; and 3, determining whether the equipment expected life is smaller than and equal to zero, if so, emitting alarm signals for replacement of the equipment as early as possible, otherwise, determining whether the fault generation probability is greater than a preset value, and if so, carrying out early warning and pushing geological position information of the equipment and the types of possible faults to maintenance personnel. According to the invention, the types of the possible faults of the equipment and the fault probability are pushed timely, and maintenance is carried out before the faults are probably generated, such that the normal operation time of a random power supply is prolonged, and construction of the random power supply is further facilitated.

Description

Technical field [0001] The invention specifically relates to a fault warning method for random power access equipment. Background technique [0002] Low-carbon economy and sustainable development are the inevitable requirements of human sustainable development. The application of renewable energy, energy storage, and electric vehicles is growing rapidly. New energy is connected to the grid through power electronic equipment, and the level of equipment utilization is directly related to new energy. development of. [0003] The development of new energy involves a wide range of areas. Investment owners are concerned about the rate of return on their investment, hoping to reduce the operation time of failures and quickly recover costs; grid operation companies are concerned about its impact on the grid and hope that equipment failures will cause greater uncertainty to the grid; Users (and may also be investment owners) are concerned about safer and more reliable applications; therefo...

Claims

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Application Information

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IPC IPC(8): G01R31/00
Inventor 李瑞生李献伟谢卫华田盈
Owner XUJI GRP
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