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A device and method for on-line monitoring of the state of a single-column high-voltage isolating switch

A high-voltage isolating switch, isolating switch technology, applied in the single-column high-voltage switch state online monitoring device, intelligent substation, and intelligent substation outdoor single-column high-voltage isolating switch in the field of state monitoring, which can solve the problem of high dynamic and static head position of the isolating switch, high substation Maintenance increases manpower and operating costs, and the viewing angle has dead zones, etc., to achieve reliable and effective judgment results, increase communication reliability, and solve remote transmission problems.

Active Publication Date: 2020-07-10
BAOSHAN POWER SUPPLY BUREAU OF YUNNAN POWER GRID CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adds manpower and operating costs to the maintenance of the substation, and most of the isolating switches have a high position of the dynamic and static head, and there is a dead zone in the viewing angle, so it is difficult to judge accurately only by manual labor

Method used

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  • A device and method for on-line monitoring of the state of a single-column high-voltage isolating switch
  • A device and method for on-line monitoring of the state of a single-column high-voltage isolating switch
  • A device and method for on-line monitoring of the state of a single-column high-voltage isolating switch

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Embodiment Construction

[0043] In order to make the purpose, technical route and beneficial effects of the present invention clearer, it will be further described in conjunction with the accompanying drawings and specific implementation methods, and the specific implementation does not constitute a limitation to the present invention.

[0044] Such as figure 1 As shown, the single-column high-voltage isolating switch structure is mainly composed of static contacts, contact fingers, upper and lower crank arms, pull rods and bases. When the isolating switch operates, the motor drives the crank arms to lift. The contact finger is tightened by the pull rod to ensure that the contact finger can be in close contact with the static contact. A single-column high-voltage switch status online monitoring device includes a gyroscope module, a tension sensor module, an acquisition module and a data processing module, wherein each phase isolation switch corresponds to a group of gyroscope modules, tension sensor m...

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Abstract

A single column type high voltage isolation switch condition line monitoring device and a method are provided; the high voltage isolation switch condition line monitoring device comprises a gyroscopemodule, a tension sensor module, an acquisition module and a data processing module; the gyroscope module and the tension sensor module convert the connecting lever inclination angle and pull bar pulling force of the isolation switch into electric signals, and send the signals to the acquisition module; the acquisition module sends the collected sensor data to the data processing module through wireless communication; the data processing module receives, analyzes and processes the acquisition data, determines the isolation switch opening and closing states and health status according to the threshold determination and fuzzy diagnosis technology, and uses the Ethernet and GPRS to realize two-way communication with the backstage monitoring system, thus effectively monitoring the isolation switch health status.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment monitoring, and relates to a single-column high-voltage switch status online monitoring device and method, which is especially suitable for intelligent substations designed according to the IEC61850 standard, and the status of outdoor single-column high-voltage isolating switches of 110kV and above smart substations monitor. Background technique [0002] In recent years, with the development of new energy sources such as photovoltaics and wind power, State Grid has also vigorously promoted the construction of smart grids to meet the needs of new energy grid integration, and emerging unattended stations have gradually replaced manned stations. High-voltage isolating switch is a relatively important switching device in a substation. It generally needs to be used in conjunction with a circuit breaker. It is mainly used for switching operations and functions as voltage isolation and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/327
CPCG01R31/3275
Inventor 叶志祥申成兵姜洪东唐喜刘明辉阴孟涛欧阳吉秋王豫川张连聪常景
Owner BAOSHAN POWER SUPPLY BUREAU OF YUNNAN POWER GRID CO LTD
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