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A public network pre-data collection method

A technology of data collection and public network, which is applied in fault locations, signal transmission systems, instruments, etc., can solve the problems of high overhead line erection, construction and maintenance costs in difficult mountainous areas, so as to save construction and maintenance costs and ensure power supply reliability , easy to set up effect

Active Publication Date: 2016-08-17
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the traditional optical cable channel data collection method is adopted, the construction and maintenance costs are high, and it is not easy to set up on overhead lines in mountainous areas

Method used

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  • A public network pre-data collection method
  • A public network pre-data collection method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] figure 1 The schematic diagram of public network front-end data collection provided by the present invention is shown in the figure: a public network front-end data collection method provided by the present invention includes a power distribution automation platform, a public network front-end server 1, and a remote wireless fault indicator 2. Overhead power distribution lines, data communication concentrator 3 and reverse physical isolation device; the public network front-end server and remote wireless fault indicator transmit data through the data communication concentrator, and the fault information and The real-time collection and monitoring of telemetry information specifically includes the following steps:

[0035] S1: Detect the fault information and telemetry information in the overhead distribution line through the remote wireless fault indicator, and send the collected fault information and telemetry information to the front-end server of the public network t...

Embodiment 2

[0056] The present invention will be further described below in conjunction with the accompanying drawings.

[0057] Such as figure 1 Shown is a public network front-end data acquisition technology, which is based on the public network communication front-end processor and supporting equipment, and receives the wireless fault indicator data of the distribution network overhead line through the public network wireless and access dedicated lines to realize the reception of uploaded information deal with. The specific data collection process is as follows: the main station communicates with the off-station data concentrator through GPRS, the off-station data concentrator is responsible for collecting the data of the fault indicator in a certain section of the line, and the fault indicator is responsible for detecting large current faults and faults in the line. Even harmonic components in the line, and when a large current fault occurs, actively transmit the fault data in the li...

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Abstract

The invention discloses a public network pre-data collection method, which can safely obtain the information collected by a remote wireless fault indicator through a power distribution automation master station; the remote wireless fault indicator detects the remote signal displacement and telemetry information in the line, The collected information is sent to the front-end server of the public network wirelessly through the public network; the front-end server of the public network realizes the reception and processing of the public network data, and transmits it to the safe area of ​​the distribution automation platform in the format of a text file through the reverse physical isolation device Analyze the files to form real-time data, ensure the real-time requirements of the data when passing through the reverse physical isolation device, and realize the monitoring of 10KV overhead lines in the safe zone. The public network pre-data acquisition technology provided by the invention solves the problem of dispatchers blindly adjusting 10kV overhead lines; while ensuring the reliability of power supply for users, it saves construction and maintenance costs; and realizes the failure of overhead power distribution lines Information distribution and real-time collection and monitoring of telemetry information.

Description

technical field [0001] The invention relates to the field of distribution network automation control, in particular to a method for real-time collection and monitoring of overhead line information. Background technique [0002] The distribution network is the carrier for ordinary users to receive electricity. The stability and reliability of the distribution network directly affect the quality of power supply and the public's evaluation of power supply companies. At present, in areas where distribution network automation has not been implemented in my country, dispatchers still adjust blindly to the line diagram. After the line fails, it still relies on manual line inspection to find the fault point. However, due to the complex structure, long lines, and poor line inspection conditions, overhead lines need to spend a lot of time on fault location. [0003] Based on the above problems, it is necessary to strengthen the construction of distribution network automation. If th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08G08C17/02
Inventor 张曦刘志宏杨孝华黄华勇卞疆武会超
Owner STATE GRID CORP OF CHINA
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