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Failure analysis monitoring method and system device used on power supply network

A technology for power supply network and fault analysis, applied in the direction of fault location, etc., can solve problems such as power grid line loss

Inactive Publication Date: 2004-03-03
WAHLAP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the unexpected failure of the power supply line and the loss caused by illegal power theft, it has become the main reason for the current power line loss.
The energy meters with anti-stealing functions and devices with similar functions currently on the market are limited to recording or monitoring the behavior of stealing electricity at the end of use, while technical stealing and incoming lines of anti-stealing meters (devices) Stealing electricity in front of the terminal and forcibly stealing electricity by destroying anti-theft electricity meters and devices are powerless.

Method used

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  • Failure analysis monitoring method and system device used on power supply network
  • Failure analysis monitoring method and system device used on power supply network
  • Failure analysis monitoring method and system device used on power supply network

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Experimental program
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Effect test

Embodiment 1

[0016] Embodiment 1: with reference to attached figure 1 and 2 . It is used in the fault analysis and monitoring method of the power supply network. The current sensor is respectively installed at the power line input bifurcation end that needs to be monitored in the power supply network and the outlet end of the user's electric energy metering device at the monitoring point, and the vector of the line detected by the current sensor is detected by an intelligent monitor. The current signal is used to calculate the flow difference, and the flow difference calculation data is transmitted to the system head station regularly and synchronously through a dedicated or public wireless communication network; according to the preset program, the system head station performs intelligent analysis and processing on the collected flow difference calculation data , Real-time record the function curve of the flow difference parameters of each monitoring point changing with time, analyze the...

Embodiment 2

[0019]Embodiment 2: The fault analysis and monitoring system device for the power supply network is composed of the following parts: a current sensor (5) installed at the power line input bifurcation end, a current difference analysis module and a wireless transmitter installed at the power line input bifurcation end An intelligent monitor (6) composed of modules, a current sensor (8) installed on the outlet end of the electric energy metering device, an intelligent monitor ( 9), an intelligent analyzer (12) of the system central station composed of a wireless receiving module and a fault analysis module, a host computer (11) of the system central station, system software, and a dedicated or public wireless communication network (4). For the configuration of the current sensor (5) at the power line input branch end of each monitoring point and the current sensor (8) at the outlet end of the metering device, the first option is: single-phase, three-phase three-wire or three-phas...

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Abstract

A method and system for monitoring and analyzing the failure of power supply network is disclosed. Said method includes such steps as installing the current sensors respectively at the input branch terminal of power transmission line to be monitored and the outlet terminal of user's electric kilowatt-hour meter, using intelligent monitor to calculate the current difference, transmitting the result to master station, analyzing data, drawing the current difference-time chart, and failure analysis while warning or alarming.

Description

technical field [0001] The invention is mainly used for the monitoring, feedback, analysis and alarm of the unexpected failure of the power supply network and illegal electricity theft, and belongs to the field of wireless anti-theft electricity system method and system device manufacturing. Background technique [0002] The line loss of electric energy in the current power supply network is relatively serious, and the size of the line loss is one of the important comprehensive economic indicators for evaluating the power supply network. According to the analysis of the power sector, the real line loss is not the cause of the power supply line itself. The country and localities have basically controlled the real line loss through large-scale hardware transformation of the urban and rural power grids. However, the loss caused by unexpected failure of power supply lines and illegal power theft has become the main cause of power grid line loss. The energy meters with anti-stea...

Claims

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Application Information

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IPC IPC(8): G01R31/08
Inventor 汪力成盛泉根
Owner WAHLAP TECH CO LTD
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