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Insulator haze and pollution flashover online monitoring system and method

A technology for monitoring systems and insulators, applied in the direction of testing dielectric strength, etc., can solve the problems of considering smog factors, unable to realize the judgment basis of insulator flashover and air ionization breakdown, and achieve the effect of ensuring all-weather operation

Inactive Publication Date: 2014-02-19
STATE GRID CORP OF CHINA +1
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AI Technical Summary

Problems solved by technology

The device can only judge a single factor of pollution, without taking the smog factor into consideration
[0007] However, there are some problems in the above-mentioned alarm devices, and the judgment basis for insulator flashover and air ionization breakdown caused by comprehensive factors of smog and pollution cannot be realized.

Method used

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  • Insulator haze and pollution flashover online monitoring system and method
  • Insulator haze and pollution flashover online monitoring system and method
  • Insulator haze and pollution flashover online monitoring system and method

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Embodiment Construction

[0039] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0040] see figure 1 and figure 2 , an on-line monitoring system for insulator haze and pollution flashover, comprising a monitoring terminal 1 and a monitoring device 2, the monitoring terminal 1 and the monitoring device 2 are requested to be connected via a wireless network 3 signal.

[0041] see Figure 1 to Figure 3 The monitoring terminal 1 includes a signal-connected solar power supply module 11 , a capacitor dielectric current collection device 12 , an insulator leakage current collection device 13 , a single-chip microcomputer 14 and a GSM short message module 15 .

[0042] Please refer to figure 1 , image 3 and Figure 4, the solar power supply module 11 supplies power for the monitoring terminal 1, which includes a solar controller 111 and a solar panel 112 connected to the input of the solar controller and an overhead wire that assi...

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Abstract

The invention discloses an insulator haze and pollution flashover online monitoring system and method. The system comprises a monitoring terminal and a monitoring device. Currents of a capacitance medium and leaked currents of an insulator are obtained through measurement at first; two signals of a single chip microcomputer are adopted and undergo computing of a formula with a solidified program to obtain a flashover value representing insulator arc-over; the flashover value is compared with a given threshold value and whether two classes of flashover alarms 'caution or danger' are given or not is judged according to a comparison result; a program for monitoring a mainframe is used for displaying a real-time monitoring result and a history data curve on a man-machine interface. On one hand, the haze and the pollution degree can be known by people in a duty room, on the other hand, a GSM short message module and a wireless communication manner are adopted for saving trouble due to remote communication and laying of wires; solar energy and a storage battery are used for supplying power and a high-voltage pulse generation manner and the low-power-consumption design are adopted for ensuring that the equipment can operate in an all-weather mode.

Description

technical field [0001] The invention relates to the field of power grid operation safety, in particular to an insulator haze and pollution flashover online monitoring system and method for preventing insulator haze and pollution flashover from insufficient external insulation caused by haze and pollution factors to cause surface flashover or air ionization breakdown discharge accidents. Background technique [0002] Due to the steady and rapid development of my country's economy, on the one hand, the demand for electricity is increasing day by day, the voltage level of power system transmission lines is constantly increasing, the scale of the power grid is constantly expanding, and the number of AC and DC interconnections is increasing. On the other hand, pollution sources in various regions are constantly increasing. Pollution intensified. Pollution will be deposited on the surface of insulators exposed to polluted conditions. When encountering adverse weather such as heavy ...

Claims

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Application Information

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IPC IPC(8): G01R31/12
Inventor 丁月明李阳李俊厉建新崔铸元厉朝明赵庆法汉勇邢相秋
Owner STATE GRID CORP OF CHINA
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