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Power distribution network optimization scheduling method and system considering dynamic reconstruction of network frame

A technology for dynamic reconfiguration and optimal scheduling, applied in AC network voltage adjustment, AC network circuits, electrical components, etc.

Active Publication Date: 2020-06-26
STATE GRID FUJIAN ELECTRIC POWER CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, dynamic reconfiguration and active management technologies have also brought great challenges to the safe and stable operation of distribution networks.

Method used

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  • Power distribution network optimization scheduling method and system considering dynamic reconstruction of network frame
  • Power distribution network optimization scheduling method and system considering dynamic reconstruction of network frame
  • Power distribution network optimization scheduling method and system considering dynamic reconstruction of network frame

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Embodiment Construction

[0098] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0099] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0100] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a power distribution network optimization scheduling method and system considering dynamic reconstruction of a network frame. Firstly, carrying out active power distribution network element time sequence modeling is carried out; then, establishing an active double-layer optimization scheduling model considering network dynamic reconstruction with the economy of power distribution network dispatching and the stability of fast voltage as objectives; and performing decimal encoding on branches in each basic loop, setting an iterative condition of a network frame population, adding a radial constraint condition of a power distribution network frame into an iterative strategy, and solving the active double-layer optimization scheduling model. The method can effectivelyreduce the operation cost of the power distribution network, smooth the voltage level of the power distribution system and improve the system voltage stability.

Description

technical field [0001] The invention relates to the technical field of distribution network security and dispatching, in particular to a distribution network optimization dispatching method and system considering the dynamic reconfiguration of the grid structure. Background technique [0002] The active distribution network (ADN) has a flexible network structure, and can deeply tap the potential of the distribution network through economic dispatch methods such as distributed generation (Distribution generation, DG) and demand side management (DSM). , to meet the needs of load growth and distributed power access. It can be seen that network reconfiguration technology and active management means are important ways to realize optimal dispatching of active distribution network. The network reconfiguration technology changes the topology of the network by changing the operating status of the switches in the distribution network, while the active management method can actively a...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/46H02J3/12
CPCH02J3/00H02J3/008H02J3/46H02J3/12
Inventor 倪识远张林垚施鹏佳林毅吴桂联郑洁云林婷婷陈浩姜世公王云飞刘艳茹
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD
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