Outdoor overvoltage monitor for high-temperature-resistant power distribution network

A monitor and high temperature protection technology, applied in the direction of measuring current/voltage, instruments, measuring devices, etc., can solve the problems of large equipment loss, inability to achieve equipment protection, equipment failure and damage, etc., to improve heat dissipation performance, reduce losses, achieve the effect of protection

Pending Publication Date: 2020-11-13
CHANGJI POWER SUPPLY COMPANY STATE GRID XINJIANGELECTRIC POWER +3
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an overvoltage monitor for outdoor high temperature distribution network to solve the problem that the existing full voltage fault monitoring equipment proposed in the above background

Method used

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  • Outdoor overvoltage monitor for high-temperature-resistant power distribution network
  • Outdoor overvoltage monitor for high-temperature-resistant power distribution network
  • Outdoor overvoltage monitor for high-temperature-resistant power distribution network

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Please also refer to Figure 1-Figure 5 , wherein, an overvoltage monitor for outdoor high-temperature distribution network, including a voltage fault monitor 1, including a voltage fault monitor 1, a sealing end cover 2 is installed on one side of the top surface of the voltage fault monitor 1, and the voltage The external side of the fault monitor 1 is embedded with a cooling mechanism 3. The cooling mechanism 3 includes a coolant pipe 301, a blower 3...

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Abstract

The invention discloses an outdoor overvoltage monitor for a high-temperature-resistant power distribution network. The overvoltage monitor comprises a voltage fault monitor, a sealing end cover is mounted on one side of the surface of the top end of the voltage fault monitor, a sealing end sleeve is embedded into one side of the outer part of the voltage fault monitor, and cooling liquid pipes are installed between the two sides of the outer wall of the voltage fault monitor and the sealing end sleeve. Liquid storage chambers are formed in the positions, corresponding to the cooling liquid pipes, in the cooling liquid pipes. Aluminum fins are mounted on one side of the outer parts of the liquid storage chambers. According to the invention, cooling liquid in the liquid storage chambers circularly flows at the cooling liquid pipes, the heat generated in the voltage fault monitor is brought out and is discharged through a heat conduction cushion layer and the aluminum fins, so that the heat dissipation performance in the voltage fault monitor is effectively improved, and the problem that the device is in a high-temperature environment for a long time and easily causes equipment faultdamage is solved.

Description

technical field [0001] The invention relates to the technical field of power equipment fault monitoring devices, in particular to an overvoltage monitoring instrument for outdoor high temperature distribution network. Background technique [0002] The neutral point is not grounded and the power system is grounded through the arc suppressing coil or high-resistance grounding method. Most of the domestic power grids of 66kV and below adopt this grounding method. An intelligent comprehensive controller developed by faults, the device can be installed on the bus bars of 3~35kV substations at all levels, and can quickly and accurately identify the secondary signals of voltage transformers and current transformers through sampling and analysis Various fault states of the power grid, and issue corresponding control, alarm, and blocking instructions. It is used to identify and control the common faults in the power grid that are likely to cause tripping accidents, such as voltage o...

Claims

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Application Information

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IPC IPC(8): G01R1/04G01R19/165G01R31/08
CPCG01R1/0408G01R19/16538G01R31/086
Inventor 杨振何龙马金财朱咏明何东旭曹振丰张飞飞张进军吴伟丽刘俊李磊糟伟红杨强
Owner CHANGJI POWER SUPPLY COMPANY STATE GRID XINJIANGELECTRIC POWER
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