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Method and device for evaluating power supply reliability of power distribution network

A reliability and distribution network technology, applied in data processing applications, instruments, calculations, etc., can solve the problem of difficulty in evaluating the reliability of the distribution network in the park, reduce the workload of data collection and input, and reduce the difficulty of evaluation Effect

Pending Publication Date: 2022-07-15
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

[0004] This application provides a method and device for evaluating the reliability of distribution network power supply to solve the technical problem of difficulty in evaluating the reliability of distribution network in current parks

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  • Method and device for evaluating power supply reliability of power distribution network
  • Method and device for evaluating power supply reliability of power distribution network
  • Method and device for evaluating power supply reliability of power distribution network

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0043] As recorded in the related art, the evaluation methods of power supply reliability of conventional distribution networks mainly include failure mode consequence analysis method or minimum path analysis method. Through the detailed topology structure and equipment parameters of different distribution networks, a failure mode consequence analysis table or minimum path analysis method is established. Road analysis table, and combined with the ...

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Abstract

The invention discloses a power distribution network power supply reliability assessment method and device, and the method comprises the steps: obtaining a power distribution network topological structure and line fault data of each power supply region in a to-be-assessed park, and carrying out the classification of the wiring mode of each power distribution line in each power supply region according to an overhead line structure and a cable line structure, the method comprises the steps of determining the wiring type of each distribution line in each power supply area, calculating the average power failure time of a target user of a to-be-evaluated park based on the wiring type and line fault data, and determining the power supply reliability of the to-be-evaluated park according to the average power failure time of the target user, so that the power supply reliability of the to-be-evaluated park is improved as long as topological information of an overhead line and a cable line is obtained. Detailed topological information required by an original method is simplified, the workload of data collection and input can be reduced, the evaluation difficulty is reduced, meanwhile, a standardized reliability evaluation method is established, power supply reliability evaluation can be carried out for different power distribution networks, and important measurement indexes are provided for power grid planning of the power distribution networks in the park.

Description

technical field [0001] The present application relates to the technical field of distribution network security, and in particular, to a method and device for evaluating the reliability of power supply of a distribution network. Background technique [0002] As economic development is moving towards a new path of transformation and upgrading, quality improvement and efficiency improvement, industrial parks have higher and higher requirements for power supply reliability. Once a sudden power failure such as a power supply failure occurs, it will cause heavy losses. Therefore, it is of great significance to establish a reliability evaluation system for the power grid construction scheme, which can effectively ensure the reliability of the power supply in the park. [0003] At present, the evaluation methods of power supply reliability of conventional distribution networks mainly include failure mode consequence analysis method or minimum path analysis method. Through the detail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06393G06Q50/06
Inventor 黄杨珏姚瑶吕鸿汪进锋夏亚君陈鹏朱远哲金杨朱家华刘文晖王志华罗威谢志文尹海庆王伟
Owner GUANGDONG POWER GRID CO LTD
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