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Determination method of difference operation maintenance strategy of electric power device

A technology for power equipment, operation and maintenance, applied in data processing applications, instruments, calculations, etc., can solve the problems of power equipment reliability (risk) and economy, etc., to improve equipment management level, easy to master, and operate Reasonable effect of maintenance strategy

Inactive Publication Date: 2016-09-21
CHONGQING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problem that the reliability (risk) and economy of power equipment operation are difficult to balance

Method used

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  • Determination method of difference operation maintenance strategy of electric power device
  • Determination method of difference operation maintenance strategy of electric power device
  • Determination method of difference operation maintenance strategy of electric power device

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0033] This embodiment is aimed at a 110kV transformer:

[0034] The chromatogram of the transformer oil is abnormal, the DC resistance of the 1st, 2nd, and 3rd gears on the 35kV side is abnormal, and other tests are normal.

[0035] According to the method disclosed in the present invention: (1) firstly evaluate the state of the equipment, 30 points will be deducted for abnormal DC resistance, and according to the basis for determining the equipment level in Attached Table 1, the equipment is in an abnormal state and should be further passed (2) risk Assess in determining equipment operation and maintenance strategies.

[0036] (2) Risk evaluation results: The asset evaluation of the equipment is 3, the asset loss degree is 2.45, and the failure probability is 0.650: the risk value is 4.78. Based on the basis for determining the equipment risk level in Attachment 2, the equipment is a high-risk equipment. Need to enter (3) life assessment process.

[0037] (3) The specified...

Embodiment 2

[0039] This embodiment is aimed at a 500kV transformer:

[0040] The transformer oil chromatogram is abnormal (acetylene), the iron core and iron yoke grounding circulation test of the main transformer is normal every month, the infrared temperature measurement of the main transformer is normal, and other routine tests are normal.

[0041] According to the method disclosed in the present invention: (1) firstly evaluate the state of the equipment, 16 points will be deducted for abnormal oil chromatograms, and according to the basis for determining the equipment level in Attached Table 1, the equipment is in a state of attention, and should be further determined through risk assessment Equipment operation and maintenance strategy.

[0042] (2) Risk evaluation results: the asset evaluation of the equipment is 8.25, the asset loss degree is 1.2, and the failure probability is 0.219: the risk value is 2.17. It belongs to medium-level risk equipment, which needs to be strengthened ...

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Abstract

The present invention discloses a determination method of a difference operation maintenance strategy of an electric power device. The method comprises: 1) the operation state of the electric power device is assessed. If the operation state is normal, any measure is taken, the electric power device is normally operated. If the operation state is an attention state or an abnormal state, the step is jumped to the step 2). If the operation state is a severe state, the step is jumped to the step 3). 2) The risk evaluation of the electric power device is performed. If the electric power device is a low-risk device, the maintenance is not performed, and the inspection and monitoring period is arranged. If the electric power device is a medium-degree risk device, the power failure maintenance is performed. If the electric power device is a high-risk device, the step is jumped to the step 3). And 3), the real life of the electric power device is determined. If a regulated life period is exceeded, the decommissioning processing is directly performed. If the regulated life period is not exceeded, the power failure maintenance is performed. According to the steps, the difference operation maintenance strategy of an electric power device is determined.

Description

technical field [0001] The invention belongs to the field of state evaluation and state maintenance of electric equipment. Background technique [0002] With the development of the manufacturing level of power transmission and transformation equipment in the power grid, the power transmission and transformation status of the power grid has been greatly improved. In recent years, with the rapid growth of social demand for electricity and the rapid expansion of the grid scale, the society has higher and higher requirements for the reliability of power grid power supply. How to arrange reasonable equipment operation and maintenance strategies and improve the reliability and economy of equipment operation has received extensive attention. [0003] At present, the operation and maintenance strategies of power equipment are mostly determined based on the status of the equipment and the level of risk. After years of development, a series of complete guidelines and indicators for s...

Claims

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Application Information

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IPC IPC(8): G06Q50/06
CPCG06Q50/06
Inventor 王有元刘航周立玮刘玉陈伟根李剑杜林王飞鹏周湶李秀卫郭志红杨祎
Owner CHONGQING UNIV
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