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A method of restoring self-growth

A self-growth and fault-occurring technology, applied in the field of power systems, can solve problems such as long processing time, poor reliability, and poor real-time performance, and achieve the effects of reducing processing links and processing time, avoiding secondary faults, and improving power supply capabilities

Active Publication Date: 2016-10-05
DONGFANG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This centralized control method requires multiple interactions, the processing time is long, and the real-time performance is poor; and the reliability is also poor. If there is a problem with the channel, it will not be possible to restore power to the entire non-faulty area

Method used

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  • A method of restoring self-growth

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] refer to figure 1 , the embodiment of the present invention includes a power distribution line topology 1, a power distribution terminal 2, a power distribution terminal collecting line information 3, a power distribution terminal direct communication 4, a power distribution line fault point 5, and a line load 6 before a fault.

[0013] The distribution line topology 1 is the function implementation object of the present invention, and is composed of a group of switches and lines, in which KG1-6 is put into operation, and KG7 operates separately as a tie switch.

[0014] The power distribution terminal 2 is the implementation basis of the present invention and is a prior art.

[0015] The power distribution terminal collects line information 3, including the voltage on both sides, the three-phase current of the line switch, and the switch state, and c...

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Abstract

The invention relates to the field of an electric power system, and discloses a method for restoring self-growth. The method is based on a power distribution terminal which monitors a power distribution line and is used for analyzing the information of the power distribution line in real time. After a fault occurs, fault information is successively transmitted to a tie switch power distribution terminal from a fault point power distribution terminal. The tie switch power distribution terminal starts restoring of a non-fault area. Directly monitored areas are successively analyzed. According to a line operation topology, self-growth analysis is performed until the area where power supply can be restored. The terminal which directly manages the switch bypasses the switch and insulates the area which requires power supply restoring. Furthermore a terminal which directly manages the tie switch switches on the tie switch, thereby finishing power supply restoring to the non-fault area.

Description

technical field [0001] The invention relates to a power supply recovery control method in the technical field of power systems, and is mainly used for controlling power supply recovery in non-faulty areas when a power distribution network fails. Background technique [0002] There are a certain number of distribution terminals in the distribution line to monitor the operation of the distribution line. Traditional power distribution lines adopt centralized control to restore power supply to non-faulty areas after a fault. That is, when a permanent fault occurs in the distribution line, the distribution automation master station or a terminal with centralized control mode collects the fault current data of each distribution terminal in the distribution line, and then judges the location of the fault point according to the fault characteristics of the distribution line , to realize fault location, and then send a control command to the power distribution terminal, wait for the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00
CPCH02J3/001H02J3/003H02J3/0073H02J2203/20
Inventor 丁强赵传强徐伟敏李元香尤明刘伟张良唐昊秦旸
Owner DONGFANG ELECTRONICS
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