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Method and device for selecting power distribution network power supply reliability enhancement scheme

A technology of reliability and distribution network, applied in the field of electric power, which can solve the problems of difficult input-output, quantification, etc.

Inactive Publication Date: 2016-10-12
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defect that the selection of existing distribution network power supply reliability improvement schemes is difficult to quantify input and output in combination with actual constraints

Method used

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  • Method and device for selecting power distribution network power supply reliability enhancement scheme
  • Method and device for selecting power distribution network power supply reliability enhancement scheme
  • Method and device for selecting power distribution network power supply reliability enhancement scheme

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Embodiment 1

[0085] This embodiment provides a method for selecting a distribution network power supply reliability improvement scheme. The flow chart of the method is as follows figure 1 shown, including the following steps:

[0086] S1: According to the key data of the power supply reliability improvement plan of the distribution network, establish the functional relationship between the key data of the reliability improvement plan and the reliability improvement plan, and construct the reliable power outage time and pre-arranged power outage time The reliability evaluation prediction model, and the reliability evaluation prediction model of the fault power outage time and the pre-arranged power outage time are summarized, and the power supply reliability comprehensive evaluation model of the distribution network is obtained;

[0087] First, according to the basic state of the power grid, it is necessary to pre-set the key data of the power supply reliability improvement scheme of the di...

Embodiment 2

[0144] This embodiment provides a device for selecting a power supply reliability improvement scheme of a distribution network. The structural diagram of the device is as follows image 3 shown, including:

[0145] The distribution network power supply reliability comprehensive evaluation model construction unit 1 is used to establish a function between the key data of the reliability improvement scheme and the reliability improvement scheme according to the key data of the power supply reliability improvement scheme of the distribution network relationship, build a reliability assessment prediction model for fault outage time and pre-arranged outage time, and summarize the reliability evaluation and prediction models for the fault outage time and pre-arranged outage time to obtain a comprehensive evaluation of the power supply reliability of the distribution network Model;

[0146] The constraint type determining unit 2 is used to determine the constraint type. The constrain...

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Abstract

The present invention provides a method and device for selecting a distribution network power supply reliability improvement scheme, by constructing a reliability evaluation model, that is, establishing a functional relationship between the key data of the reliability improvement scheme and the reliability improvement scheme, and drawing a Pareto curve , and combine the constraints to coordinate the reliability and economic optimization, and quantify the reliability evaluation results to obtain the specific values ​​of various reliability improvement schemes, which can intuitively evaluate the input and output of various reliability improvement schemes The situation, so as to select the reliability improvement plan with the best economic benefits. The method and device provided by the invention can quantify the input and output of the distribution network power supply reliability improvement scheme in combination with the actual constraints, and provide the selection method of the reliability improvement scheme from the perspectives of reliability and economy, which is scientific and reasonable sex.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a method and device for selecting a power supply reliability improvement scheme of a distribution network. Background technique [0002] With the rapid development of my country's power grid construction, the reliability improvement scheme of distribution network power supply is of great significance to the quality of power supply, and the reliability and economy of distribution network power supply must be taken into account at the same time. However, in most power supply enterprises at present, there are often problems such as distribution network power supply reliability improvement schemes regardless of investment costs, reliability improvement schemes lacking economic rationality, limited space for reliability improvement, and low reliability investment input-output ratio. [0003] The selection method of distribution network power supply reliability improvement sche...

Claims

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Application Information

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IPC IPC(8): G06Q50/06
CPCG06Q50/06
Inventor 程涛徐志根宋晓英
Owner STATE GRID SHANDONG ELECTRIC POWER
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