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Method and system for power transmission path optimization based on combination of path traversal and sensitivity

A power transmission and sensitivity technology, which is applied in the field of power system, can solve the problems of power flow overload and overload of power branches, and achieve the effect of preventing power flow overload or overload with a simple method

Active Publication Date: 2020-02-07
SOUTHEAST UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If a reasonable power transmission path cannot be selected, it will cause problems such as heavy load or overload of power branch flow

Method used

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  • Method and system for power transmission path optimization based on combination of path traversal and sensitivity
  • Method and system for power transmission path optimization based on combination of path traversal and sensitivity
  • Method and system for power transmission path optimization based on combination of path traversal and sensitivity

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Embodiment Construction

[0023] The present invention will be further explained below in conjunction with the accompanying drawings.

[0024] The invention provides a system for optimizing power transmission paths based on the combination of path traversal and sensitivity, including an input module, a breadth-first search module, a sensitivity analysis module and a power transmission path optimization module set in a power grid control system. Such as figure 1 As shown, the preferred method for the power transmission path of the direct power purchase transaction is as follows: specifically, the following steps are included:

[0025] Step 1: Input the direct power purchase transaction information into the input module in the grid control system; the direct purchase power transaction information includes data such as direct power purchase transaction volume, geographical location information of both parties to the direct purchase power transaction, transmission grid grid, and voltage level. The input m...

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Abstract

The invention discloses a power transmission path optimal selection method based on path traversing and sensitivity combining. An input module, a breadth-first search module, a sensitivity analysis module and a power transmission path optimal selection module which are arranged in a power grid control system are provided. The method provided by the invention mainly comprises the steps of: utilizing a breadth-first search algorithm to search for all direct-purchasing electricity power transmission paths, then utilizing a sensitivity analysis method to calculate the current sensitivity of each direct-purchasing electricity node to each power branch in the power transmission paths, carrying out accumulated calculation to obtain an accumulated sensitivity of each power transmission path, carrying out optimal selection ordering on the direct-purchasing electricity power transmission paths according to the sequence from large to small accumulated sensitivity values, and optimally selecting the power transmission path which is more influenced. According to the invention, a power scheduling center is enabled to arrange power generation and utilization plans, and heavy currents or overcurrents of power branches are prevented.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a method and system for optimizing power transmission paths based on the combination of path traversal and sensitivity. Background technique [0002] The direct purchase of electricity by large users refers to the act of directly signing bilateral electricity purchase and sale contracts with large users and power generation companies or power supply companies after negotiation on the premise of separating the factory from the grid and bidding online. Large user enterprises can get a certain price reduction through direct purchase of electricity, reduce production costs, and increase the competitiveness of enterprises. Power generation enterprises or power supply enterprises can adjust the relationship between supply and demand by participating in the adjustment of electricity prices. In the context of electricity market reform, power plants sign direct power pur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/047G06Q50/06
Inventor 喻洁杨争林耿建薛必克郑亚先程海花刘莉莉史新红王高琴郭艳敏邵平龙苏岩徐骏黄春波吕建虎叶飞陈爱林
Owner SOUTHEAST UNIV
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