An evaluation method of self-healing ability of urban distribution network based on ahp method

A distribution network and capacity technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as power outages, and achieve the effect of promoting steady improvement and promoting the level of technical management

Active Publication Date: 2021-07-13
GUANGDONG POWER GRID CO LTD +2
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Problems solved by technology

[0005] The present invention provides a self-healing ability evaluation method of urban distribution network based on the AHP method. The method is based on the internal relationship of various influencing factors of the self-healing ability of the distribution network. Based on the AHP method, the self-healing ability index evaluation of the distribution network is skillfully constructed system, which solves the problem of short-term power outage and its economic loss estimation

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  • An evaluation method of self-healing ability of urban distribution network based on ahp method
  • An evaluation method of self-healing ability of urban distribution network based on ahp method
  • An evaluation method of self-healing ability of urban distribution network based on ahp method

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Embodiment 1

[0055] At present, there is a lack of systematic research on short-term power outages and their economic losses in China, and there is no research on the estimation method of short-term power outages abroad. To evaluate the self-healing ability of distribution networks is to conduct quantitative research on short-term power outage losses. . The invention is based on the inner connection of various influencing factors of the self-healing ability of the distribution network, and based on the AHP method, cleverly constructs an index evaluation system for the self-healing ability of the distribution network, and solves the problem of short-term power outage and its economic loss estimation.

[0056] Such as figure 1 As shown, an evaluation method for the self-healing ability of urban distribution network based on the AHP method, including self-healing speed indicators, power supply self-healing indicators, load importance indicators and economic indicators, select the appropriate ...

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Abstract

The invention relates to the technical field of risk analysis and control of urban distribution networks, in particular to a method for evaluating the self-healing capability of urban distribution networks based on AHP method, including self-healing speed, power supply self-healing, load importance and economical There are four categories of indicators; corresponding initial weights are assigned to the above four categories of indicators, and then based on the AHP method, an evaluation index set of urban distribution network self-healing ability with initial weights is formed, and a judgment matrix is ​​formed according to the constructed AHP method. , and then calculate the relationship between the composite weight of each element to the target layer and the initial weight, form a total ranking of the layers, and conduct consistency check; The network investment plan is comprehensively evaluated, and the investment plan with the highest score for comprehensively improving the self-healing ability and effect of the distribution network is obtained, and the construction and transformation of the distribution automation are guided according to the investment plan. The invention solves the problem of short-term power failure and its economic loss estimation.

Description

technical field [0001] The invention relates to the technical field of risk analysis and control of an urban distribution network, in particular to an evaluation method for the self-healing ability of an urban distribution network based on the AHP method. Background technique [0002] With the construction of distribution automation system, the current urban distribution network has basically realized the collection of distribution information data and the construction of distribution automation system, and has the ability of self-healing after failure. The so-called self-healing refers to the self-healing of the power grid (Self Healing), which means that it uses advanced monitoring methods to continuously diagnose and evaluate the operating status of the power grid without or requiring only a small amount of human intervention. And quickly adjust to eliminate hidden dangers of failure; when a failure occurs, it can quickly isolate the failure and self-recovery, without aff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02H7/26H02H3/06
CPCH02H3/063H02H7/262H02J3/00
Inventor 侯祖锋赵瑞锋刘谋君郭文鑫梁苑
Owner GUANGDONG POWER GRID CO LTD
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