Modified and upgraded intelligent pole-mounted vacuum circuit breaker

A vacuum circuit breaker and intelligent technology, applied in the direction of high-voltage air circuit breaker, circuit breaker testing, instruments, etc., can solve the problems of a large amount of capital investment, failure to find line faults at the first time, fault detection and analysis are not comprehensive enough, etc. Easy on-site wiring and simple installation

Pending Publication Date: 2021-03-12
CHAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the current distribution line is in normal operation, the operating data such as load distribution, line voltage, and switch status cannot be grasped in real time; the fault detection and analysis in the

Method used

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  • Modified and upgraded intelligent pole-mounted vacuum circuit breaker
  • Modified and upgraded intelligent pole-mounted vacuum circuit breaker
  • Modified and upgraded intelligent pole-mounted vacuum circuit breaker

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Experimental program
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Embodiment Construction

[0035] The specific structure of the intelligent pole-mounted vacuum circuit breaker of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] Such as figure 1 , figure 2 Shown is a schematic diagram of the overall structure of the smart pole-mounted vacuum circuit breaker of the present invention.

[0037] A modified and upgraded smart post-mounted vacuum circuit breaker, a post-mounted vacuum circuit breaker body 3 consisting of a base, an operating mechanism, a transformer, an insulator, a vacuum switch tube, and a primary conductive circuit, is characterized in that the circuit breaker body 3 One side of the base 4 is equipped with a bracket 1, a miniaturized energy-taking power supply device 2 is installed on the bracket 1, and a signal processing unit 5 is installed on the other side of the base 4, and the signal processing unit 5 is connected with a front-end acquisition device 6 is connected through a ...

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PUM

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Abstract

The invention provides an improved and upgraded intelligent pole-mounted vacuum circuit breaker. A miniature capacitive PT energy taking device and a signal processing unit are mounted on a circuit breaker body, and the signal processing unit is connected with a front-end acquisition device through a cable. The signal processing unit can amplify signals of three measurement voltages, one zero-sequence voltage, three measurement currents and one zero-sequence current of one circuit line and acquire signals of two direct-current quantities. The front-end acquisition device comprises a sampling unit, a main control unit, a communication module and a power supply unit; the sampling unit is used for receiving signals of the signal processing unit. The main control unit comprises an ARM microprocessor circuit and a three-section type direction overcurrent protection and zero sequence direction protection circuit. The communication module comprises an Ethernet communication circuit, a serialport communication circuit, a GPRS communication circuit and an RS232/485 communication circuit. The circuit breaker has the beneficial effect that data support can be provided for distribution network management. The circuit breaker adopts an integrated design and is simple to install on site.

Description

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Claims

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Application Information

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Owner CHAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY
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