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Active power distribution network distribution automation terminal optimal configuration method

A technology of distribution automation and active distribution network, applied in circuit devices, electrical components, etc., can solve the problems of not considering the operation capability of active distribution network, unable to guarantee the reliability of distribution network, and inaccurate DA configuration results. Achieve the effect of reducing fault location time, fault isolation and recovery operation time, reducing search workload, and reducing power outage time

Pending Publication Date: 2020-02-18
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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Problems solved by technology

The above research results did not consider the impact of distributed generation (DG) on distribution automation terminal configuration, nor did they consider the ability of active distribution network to operate based on DG islands. The DA configuration results are not accurate enough to ensure the reliability of distribution network operation.

Method used

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  • Active power distribution network distribution automation terminal optimal configuration method
  • Active power distribution network distribution automation terminal optimal configuration method
  • Active power distribution network distribution automation terminal optimal configuration method

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Embodiment Construction

[0048] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0049] The invention provides a method for optimal configuration of distribution automation terminals in an active distribution network, which is used to realize the configuration of distribution automation terminals at the subsection switch of the distribution network. The method adopts a genetic algorithm to construct a mathematical model for optimal configuration of distribution automation terminals Solve to obtain the optimal configuration scheme. This method can quickly and accurately realize the distribution automation terminal configuration of the section switch, and has high e...

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Abstract

The invention relates to an active power distribution network distribution automation terminal optimal configuration method. The method is used for realizing distribution automation terminal configuration at a section switch of a distribution network. According to the method, a genetic algorithm is adopted to solve a constructed distribution automation terminal optimal configuration mathematical model, and an optimal configuration scheme is obtained. In the genetic algorithm, chromosomes are formed based on the configuration state of the power distribution automation terminal at each section switch, one chromosome represents one configuration scheme, and the fitness value of each chromosome is obtained based on the target function in the power distribution automation terminal optimal configuration mathematical model and the power supply reliability under the configuration scheme. Compared with the prior art, the method optimizes and determines the installation type and the number of the DA terminals in the active power distribution network, considers the power supply reliability of the DA configuration to the active power distribution network, and improves the accuracy, the efficiency and the economy of the distribution automation terminal configuration.

Description

technical field [0001] The invention relates to the field of power distribution automation terminal configuration, in particular to a DA terminal configuration method in an active power distribution network considering power supply reliability. Background technique [0002] The distribution network is directly connected to the users, and a failure will directly lead to the interruption of the user's power supply, resulting in large losses. Improving the reliability of the distribution network power supply is an important research topic for the development of the distribution network. At present, the literature "Progress and Suggestions of Distribution Automation in China" (Liu Jian, Zhao Shuren, Zhang Xiaoqing. Automation of Electric Power Systems, 2012, (19): 6-10+21) the literature "Discussion on Several Issues of Distribution Automation" (Xu Bing Yin, Li Tianyou. Power System Automation, 2010, (09): 81-86) both discussed and proved that load transfer based on backup lines...

Claims

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Application Information

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IPC IPC(8): H02J13/00
Inventor 李振坤李一骄崔静苏向敬米阳季亮
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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