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Rapid self-healing distributed intelligent feed line automatic system

A feeder automation and intelligent technology, applied in the field of automation, can solve problems such as the inability to meet the real-time and interactive requirements of the intelligent distribution network, the failure of fault location and recovery methods, and the complexity of the intelligent distribution network, so as to eliminate large-scale power outages Hidden dangers, high-accuracy and high-speed fault location, and fast fault recovery

Inactive Publication Date: 2016-07-20
柴永朋
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The smart distribution network is much more complex than the traditional distribution network, and requires a large amount of information interaction between various devices. Therefore, only the information interaction between the master station and the FTU cannot meet the real-time and interactive requirements of the smart distribution network. requirements
In addition, a large number of distributed power sources are introduced into the smart distribution network, and the original single power supply system has become a multi-power supply system, resulting in the failure of many original fault location and recovery methods
Although the literature and research on fault location and fault recovery of distribution networks with a large number of distributed power sources have been carried out, the research is not in-depth and further research is needed

Method used

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  • Rapid self-healing distributed intelligent feed line automatic system
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  • Rapid self-healing distributed intelligent feed line automatic system

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Embodiment

[0026] refer to Figure 1 to Figure 3 , the present invention provides a fast self-healing distributed intelligent feeder automation system, which consists of a main station, a substation, a local area network, GPS and a number of intelligent power distribution terminals, the intelligent power distribution terminals are connected to the main station through optical fiber Ethernet, and the The substation is connected to the intelligent power distribution terminal through a circuit breaker. The intelligent power distribution terminal is connected to the intelligent power distribution terminal through a current transformer and a voltage transformer respectively. The GPS is connected to the intelligent power distribution terminal. The electric terminal is powered by a distributed power supply. The intelligent power distribution terminal has the functions of status monitoring, fault detection, fault location, fault diagnosis, interactive information, and control switch action. Curr...

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Abstract

The invention discloses a rapid self-healing distributed intelligent feed line automatic system which is characterized in that the system is composed of a main station, a transformer substation, a local area network, a GPS and multiple intelligent power distribution terminals. The intelligent power distribution terminals are connected with the main station through an optical fiber ethernet. The transformer substation is connected with the intelligent power distribution terminals through a circuit breaker. The intelligent power distribution terminals are connected with the intelligent power distribution terminals through a current mutual inductor and a voltage mutual inductor. The intelligent power distribution terminals have the effects of state monitoring, fault detection, fault location, fault diagnosis, information interaction and switch motion control. A new method of realizing feed line fault location through an improved differential current method is utilized so that high-accuracy and high-speed fault location of intelligent feed line automation can be realized. The method of realizing fault recovery through heuristic search is utilized so that rapid fault recovery of intelligent feed line automation can be realized, and feed line load balancing can also be realized.

Description

technical field [0001] The invention relates to the technical field of automation, in particular to a fast self-healing distributed intelligent feeder automation system. Background technique [0002] The distribution network is directly connected to the user end, which is the central link to ensure the quality of power supply. In our country, more than 95% of the incidents of power outages suffered by power users are caused by distribution network failures (deducting the cause of insufficient power generation). In addition, the main factor causing power quality problems is also in the distribution network. In view of this, the smart distribution network represents the development direction of the future distribution network. Self-healing is an important feature and an important symbol of smart distribution network. Distribution network self-healing refers to the self-prevention and self-recovery ability of distribution network, which comes from the monitoring of important ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00G01R31/08
CPCG01R31/086H02J13/00019Y04S40/124Y02E60/00Y04S10/52
Inventor 柴永朋
Owner 柴永朋
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