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gis localization online monitoring system

A monitoring system, data acquisition and processing technology, applied in the direction of testing dielectric strength, etc., can solve the problems of imperfect data remote and remote control functions, insufficient diversity of online testing, and inability to meet various environments, etc., to achieve convenient transmission, The effect of preventing unexpected accidents and saving costs

Active Publication Date: 2017-09-12
HANGZHOU SHENHAO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing detection has more functions, the diversity of online testing is not perfect enough. Usually, the way of online testing is relatively simple, which cannot meet the needs of various environments. It is not real-time, and the realization of remote data and remote control functions is not enough. Complete

Method used

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Experimental program
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Effect test

Embodiment 1

[0019] like figure 1 As shown, the GIS local on-line monitoring system includes a data acquisition and processing module 3, the data acquisition and processing module is connected with the photoelectric conversion unit 2 through the communication module 5, and the photoelectric conversion unit is connected with several sensors 1, and the sensors are external Mounted UHF sensor. The frequency range of the UHF sensor is 500MHz. The data collection and processing module is also connected with an intelligent processor module 4, and the intelligent processor module is connected with the system server 6 through an optical brazing ring network. Data acquisition and processing module: After the electromagnetic wave generated by partial discharge is received by the sensor, the partial discharge signal is converted into a voltage signal, and then transmitted to the data acquisition and processing module through the coaxial cable for signal conditioning. After conditioning, the partial ...

Embodiment 2

[0025] like figure 1 As shown, the GIS local on-line monitoring system includes a data acquisition and processing module 3, the data acquisition and processing module is connected with the photoelectric conversion unit 2 through the communication module 5, and the photoelectric conversion unit is connected with several sensors 1, and the sensors are external Mounted UHF sensor. The frequency range of the UHF sensor is 1500MHz. The data collection and processing module is also connected with an intelligent processor module 4, and the intelligent processor module is connected with the system server 6 through an optical brazing ring network.

[0026] Data acquisition and processing module: After the electromagnetic wave generated by partial discharge is received by the sensor, the partial discharge signal is converted into a voltage signal, and then transmitted to the data acquisition and processing module through the coaxial cable for signal conditioning. After conditioning, th...

Embodiment 3

[0032] like figure 1As shown, the GIS local on-line monitoring system includes a data acquisition and processing module 3, the data acquisition and processing module is connected with the photoelectric conversion unit 2 through the communication module 5, and the photoelectric conversion unit is connected with several sensors 1, and the sensors are external Mounted UHF sensor. The frequency range of the UHF sensor is 1400MHz. The data collection and processing module is also connected with an intelligent processor module 4, and the intelligent processor module is connected with the system server 6 through an optical brazing ring network. Data acquisition and processing module: After the electromagnetic wave generated by partial discharge is received by the sensor, the partial discharge signal is converted into a voltage signal, and then transmitted to the data acquisition and processing module through the coaxial cable for signal conditioning. After conditioning, the partial ...

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Abstract

The invention relates to the field of electromechanical technology, and refers to a monitoring system, in particular to a GIS localized online monitoring system. It includes a data acquisition and processing module. The data acquisition and processing module is connected to the photoelectric conversion unit through a communication module. Several sensors are connected to the photoelectric conversion unit. The data acquisition and processing module is also connected to an intelligent processor module. The ring network is connected with the system server. The advantage of the invention is that the system adopts a specific frequency sensor to realize the sensing mode, can detect and accurately locate the internal partial discharge under the operating condition of the GIS, find insulation defects in time, and avoid insulation faults. It can realize the dynamic monitoring of the GIS insulation status, effectively prevent sudden accidents in the power system, and provide scientific data basis for condition-based maintenance; the communication methods are diversified to make the transmission more convenient; the external sensor can be directly installed, No power outage required.

Description

technical field [0001] The invention relates to the field of electromechanical technology, and refers to a monitoring system, in particular to a GIS localized online monitoring system. Background technique [0002] Insulation failure is always one of the important factors affecting the reliability of GIS, and with the increase of voltage level, the insulation failure rate continues to increase. Therefore, the fault monitoring and diagnosis of GIS has become an urgently needed technology for the safe operation of the current electric power industry. In the predictive maintenance stage, the economic benefits of the power system can be effectively improved. Partial discharge of GIS is the main precursor of GIS failure. Through GIS partial discharge measurement, the type of insulation defect can be found, the severity of the damage can be judged, and even the location of the defect can be determined, so as to arrange the maintenance plan accordingly. [0003] In a complex ele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12
Inventor 陈如申黎勇跃
Owner HANGZHOU SHENHAO TECH