Intelligent distribution type FA control method suitable for distribution type power source connection

A technology of distributed power supply and control method, applied in the direction of electrical components, circuit devices, etc., to achieve the effects of strong real-time performance, long solution delay time, and strong flexibility

Active Publication Date: 2014-08-13
NARI TECH CO LTD
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Problems solved by technology

The paper "Application of Intelligent Distributed FA in Intelligent Distribution Network" introduces a kind of intelligent distributed FA, but the paper also proposes that this method is only suitable for ring network lines or single lines with relatively simple topology

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  • Intelligent distribution type FA control method suitable for distribution type power source connection

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Embodiment Construction

[0040] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0041] The present invention improves the existing distributed FA control method based on radial distribution network, adopts XML-based adjacent node self-description technology, GOOSE-based regional information sharing technology, and power direction self-adaptive fault location technology to achieve Intelligent FA of uncertain power distribution network adapting to multi-distributed power access.

[0042] Using XML-based adjacent node self-describing technology, using the extensible language (XML language) to describe the relationship between adjacent nodes, has many advantages such as scalability, good readability, and convenient and reliable analysis. Implementation consists of the following steps:

[0043] The first step is to use this node as the center to connect all nodes that are physically connected to this node to form a topol...

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Abstract

The invention discloses an intelligent distribution type FA control method suitable for distribution type power source connection. A distribution type power source is connected into a power distribution network, and a power distribution network system becomes a weak ring network including a plurality of distribution type power sources from an original single-power source radial network. According to the intelligent distribution type FA control method, an existing distribution type FA control method based on a radial power distribution network is improved, an adjacent node self-description technology based on the XML, an area information sharing technology based on the GOOSE and a fault positioning technology based on power direction self-adaptation are adopted, and therefore the intelligent distribution type FA control method suitable for distribution type power source connection is achieved. The intelligent distribution type FA control method has the advantages of being wide in application range, strong in real-time performance, strong in flexibility and the like, is suitable for multi-branch complex power distribution network grid structure into which the distribution type power sources are connected, and has the good application prospect.

Description

technical field [0001] The invention belongs to the technical field of new energy access and distribution network, and specifically relates to an intelligent distributed FA control method for realizing access to distributed power sources. Background technique [0002] Distributed power supply is clean and pollution-free, which is of great significance to optimize energy structure, promote energy conservation and emission reduction, and achieve sustainable economic development. However, after a large number of distributed power sources are connected to the distribution network, the grid structure of the distribution network has changed from a simple radial power supply mode to a complex multi-power weak-loop power supply mode. Each distributed power supply will provide short-circuit current to the fault point at the same time, and the original radial-based FA location criterion may lead to fault location errors. [0003] The current distributed FA technology, Chinese patent ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
Inventor 唐成虹郑玉平朱亚军刘陈鑫
Owner NARI TECH CO LTD
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