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Online monitoring device for electrical switch cabinet state based on multidimensional feature parameters

A technology of characteristic parameters and monitoring devices, applied in the direction of panel/switch station circuit devices, circuit devices, electrical components, etc., can solve problems such as hidden dangers of reliable operation of switchgear equipment, busbar failures, cable lap failures, etc., to avoid line failures The effect of preventing faults at cable laps, ensuring reliable operation, and ensuring safe and stable operation

Inactive Publication Date: 2019-05-21
四川赛康智能科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Switch cabinet is a kind of electrical equipment. Switch cabinet is a very important electrical equipment in the power system. In the long-term operation, various objective reasons cause the cable overlap of the switch cabinet during installation and operation. Faults, busbar faults, contact faults, operating mechanism faults, etc., bring hidden dangers to the reliable operation of switchgear equipment, directly affecting the safe and stable operation of the power grid

Method used

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  • Online monitoring device for electrical switch cabinet state based on multidimensional feature parameters
  • Online monitoring device for electrical switch cabinet state based on multidimensional feature parameters
  • Online monitoring device for electrical switch cabinet state based on multidimensional feature parameters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0071] 1. If figure 1 As shown, install the SAW temperature sensor 2 on the moving contact of the switch cabinet or the isolation knife switch, and fix it firmly to ensure good thermal conductivity;

[0072] 2. Install the platform antenna 6, and install the panel antenna 6 on the inner walls of the left and right sides of the circuit breaker room 12 of the switch cabinet to ensure good reception and transmission of signals.

[0073] 3. Install the temperature collector 6 in the instrument room 11 of the switchgear 1, connect the temperature collector through a feeder, and connect the circuit breaker room of the switch cabinet to the temperature collector installed in the instrument room.

[0074] 4. In the instrument room 11 of the switch cabinet 1, install the opening and closing sensor, and install an open-loop Hall sensor on the opening and closing coil control line.

[0075]5. Install an energy storage motor sensor in the instrument room 11 of the switch cabinet 1, and i...

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Abstract

The present invention discloses an online monitoring device for an electrical switch cabinet state based on multidimensional feature parameters for realizing real-time monitoring for key point temperature, a partial discharge state and an operating mechanism state of a high voltage switch cabinet. The online monitoring device for an electrical switch cabinet state based on multidimensional featureparameters comprises a switch cabinet, a temperature sensor, an intelligent data collector, an intelligent communication terminal, an intelligent master station, a big data server, a computer, a mobile terminal, a DC 12V power adapter, an AC transformer, a Hall current sensor, a vibration sensor, a TEV ground wave sensor, an AE ultrasonic sensor, a panel antenna, a feedback line and a remote system master station. The online monitoring device for an electrical switch cabinet state based on multidimensional feature parameters can be adopted to effectively avoid cable joint fault, bus fault, contact fault, operating mechanism fault, etc., can effectively ensure reliable operation of switch cabinet equipment, and can ensure safe and stable operation of a power grid.

Description

technical field [0001] The invention relates to the field of electrical equipment, in particular to an on-line monitoring device for the status of a power switch cabinet based on multi-dimensional characteristic parameters. Background technique [0002] The construction of the smart grid will gradually promote the change of my country's basic power production model, and is positioned to use advanced communication, information and control technologies to build an internationally leading, independent innovation, and Chinese-style smart grid characterized by informatization, automation, and interaction. , is the development direction of the power industry. The realization of the smart grid firstly depends on the online monitoring and real-time information control of the important operating parameters of each link of the grid. [0003] Switch cabinet is a kind of electrical equipment. Switch cabinet is a very important electrical equipment in the power system. In the long-term o...

Claims

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Application Information

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IPC IPC(8): H02B1/24H02J13/00
Inventor 曾德华王官禄周维超王权
Owner 四川赛康智能科技股份有限公司
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