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Distribution terminal location selection and setting method and system based on multi-stage coordination

A power distribution terminal, multi-stage technology, applied in the field of distribution network, can solve the problems of low economy and low reliability

Active Publication Date: 2019-04-26
STATE GRID CORP OF CHINA +1
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects and problems of low economy and low reliability existing in the prior art, and provide a method and system for location selection and finalization of power distribution terminals based on multi-stage coordination with high economy and high reliability

Method used

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  • Distribution terminal location selection and setting method and system based on multi-stage coordination
  • Distribution terminal location selection and setting method and system based on multi-stage coordination
  • Distribution terminal location selection and setting method and system based on multi-stage coordination

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Experimental program
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Embodiment

[0143] see figure 1 , a multi-stage coordination-based location selection method for power distribution terminals, the method includes the following steps:

[0144] A. Divide the distribution network into multiple zones, determine the annual average power outage time of each zone, and determine the total life cycle total power outage loss cost of the distribution network with the annual average power outage time as the independent variable;

[0145] B. With the power supply reliability index and staged investment cost index as constraints, and the total power outage loss cost in the whole life cycle as the optimization goal, establish a dynamic planning model for power distribution terminals;

[0146] C. Using the method based on the discrete binary particle swarm optimization algorithm to solve the dynamic programming model of the power distribution terminal, and obtain the finalized scheme for the location selection of the power distribution terminal.

[0147] combine fig...

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Abstract

Provided is a distribution terminal location selection and setting method based on multi-stage coordination. The method comprises the following steps of A, dividing a distribution network into multiple zones, determining annual average power outage times of each zone, and determining a total outage loss cost in a whole life cycle of the distribution network with an average annual outage time as anindependent variable; B, constraining through a power supply reliability index and a staged investment cost index, using a whole life cycle total outage loss cost as an optimization target, and establishing a power distribution terminal dynamic programming model; C, based on the method of a discrete binary particle swarm algorithm, solving a dynamic programming model of a distribution terminal, and obtaining a location selection and setting scheme of the distribution terminal. The method not only improves the economics of the distribution network operation, but also improves the reliability of the distribution network operation.

Description

technical field [0001] The invention relates to the technical field of distribution networks, in particular to a multi-stage coordination-based location selection method and system for distribution terminals, which are mainly applicable to improving the economy and reliability of distribution network operation. Background technique [0002] At present, the distribution network is facing the test of load growth, new energy development and complex environment, and the distribution network automation system is an important part of the construction of intelligent distribution network and a key means to improve the reliability of distribution network power supply. The distribution network automation system is a comprehensive information management system that integrates computer technology, data transmission, control technology, modern equipment and management. Its purpose is to improve the power quality of power supply, improve the reliability of power supply and provide high-qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00G06F17/50
CPCG06F30/18H02J3/00H02J2203/20
Inventor 颜炯徐敬友王思聪桑子夏黄家祺杜治方仍存雷何郑旭李亚馨胡婷雷庆生王娅镭张东寅
Owner STATE GRID CORP OF CHINA
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