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Coordination method of monthly maintenance plan for power transmission and transformation equipment based on comprehensive risk

A technology for power transmission and transformation equipment and comprehensive risk, which is applied in the field of coordination of monthly maintenance plans for power transmission and transformation equipment based on comprehensive risk, and can solve problems such as equipment outage, increased power grid operation control costs, and adverse effects of power grid operation mode arrangements.

Active Publication Date: 2018-09-14
STATE GRID CORP OF CHINA +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the maintenance period, some equipment needs to be shut down, which may have a negative impact on the arrangement of the grid operation mode, and increase the cost of grid operation control to a certain extent

Method used

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  • Coordination method of monthly maintenance plan for power transmission and transformation equipment based on comprehensive risk
  • Coordination method of monthly maintenance plan for power transmission and transformation equipment based on comprehensive risk
  • Coordination method of monthly maintenance plan for power transmission and transformation equipment based on comprehensive risk

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Embodiment Construction

[0070] Attached below figure 1 , the method of the present invention is described in detail.

[0071] figure 1 Step 1 described in is to obtain candidate maintenance transmission and transformation equipment information, grid operation plan information, system model and parameters, and transaction plan and default electricity price information. Among them, the power transmission and transformation equipment information includes equipment failure probability, equipment asset present value and equipment failure asset loss rate information; grid operation plan information includes grid equipment startup and shutdown, generator startup and shutdown, and output; system model and parameter information should meet security and stability requirements. Analysis requirements; transaction plan and default electricity price information include power generation electricity transaction plan and default electricity price information of each power plant within the planned month, electricity ...

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Abstract

The present invention disclose an electric transmission and transformation equipment monthly maintenance schedule coordination method based on integrated risks, and belongs to the technical field of power systems and automation thereof. The method comprises the steps of acquiring related information aiming at candidate maintenance equipment of a maintenance schedule month; based on analysis of influences of equipment maintenance on power grid operation, grouping the candidate maintenance equipment to form a plurality of maintenance tasks; calculating integrated risks of not carrying out maintenance within the scheduled month from two dimensions of equipment asset loss risks and power grid operation safety risks; carrying out risk early warning and urgency classification on the maintenance tasks; calculating power grid operation control price caused by corresponding maintenance and the power grid operation safety risks reduced after implementation of the maintenance tasks; coordinating scheduled time for an emergency maintenance task; and coordinating scheduled time for a suggested maintenance task. The coordination method provides technical support for realizing electric transmission and transformation equipment maintenance revenue maximization and maintenance price minimization, thereby raising scientificity and operability of maintenance schedules.

Description

technical field [0001] The invention belongs to the technical field of electric power systems and automation thereof. More precisely, the invention relates to a method for coordinating monthly maintenance plans of power transmission and transformation equipment based on comprehensive risks. Background technique [0002] Establishing a reasonable maintenance plan for power transmission and transformation equipment has always been a problem that the power grid operation management department attaches great importance to. At present, at the engineering application level, most of the maintenance plans for power transmission and transformation equipment are based on the initial maintenance time and corresponding power grid operation plan based on the equipment status. influences. The development of condition monitoring technology for power transmission and transformation equipment has created better conditions for timely and accurate grasp of the probability of equipment failure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/00G06Q10/04G06Q50/06
CPCY04S10/50
Inventor 李碧君李威王正风崔晓丹罗剑波刘福锁周霞
Owner STATE GRID CORP OF CHINA
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