Grounding resistance state evaluation and on-line early-warning cloud monitoring system

A cloud monitoring system and state evaluation technology, which is used in grounding resistance measurement, resistance/reactance/impedance measurement, and electrical variable measurement. It can solve problems such as manual errors and heavy manual measurement work, and achieve the effect of convenient networking.

Pending Publication Date: 2019-11-29
PUYANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In view of the large number of transmission system towers in the region, the manual measurement work is very heavy, and the technical problems that manual errors

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  • Grounding resistance state evaluation and on-line early-warning cloud monitoring system
  • Grounding resistance state evaluation and on-line early-warning cloud monitoring system
  • Grounding resistance state evaluation and on-line early-warning cloud monitoring system

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[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] Such as figure 1 As shown, a grounding resistance status evaluation and online early warning cloud monitoring system includes a number of detection terminals. The detection terminals include a box body 20. The box body 20 is installed on a pole tower crossarm. The lower part of the box body 20 is provided with a connecting plate 22 to connect The bottom of the plate 22 is provided with a mounting groove 23 which is matched with the...

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Abstract

The invention provides a grounding resistance state evaluation and on-line early-warning cloud monitoring system. The system comprises a plurality of detection terminals; each detection terminal comprises a box body; each box body is mounted on a cross arm of a tower; a solar cell panel is arranged at the upper part of each box body; a wire outlet is formed in the bottom of each box body; a signalprocessing unit is arranged in each box body and penetrates through the wire outlet through a signal wire to be connected with a signal acquisition unit; each signal processing unit is connected withan MCU; each MCU is connected with a power conversion module, a signal generation unit, a communication module, a clock module, a positioning module and a storage module; each power conversion moduleis connected with a solar storage battery and a standby battery; and each signal generation unit is connected with each signal acquisition unit. According to the system, grounding resistance in eachregion is monitored in real time; distance limitation is avoided; system networking is convenient; data of multiple monitoring points can be monitored simultaneously at different positions; and once an exception occurs, a regional leader can be timely notified for overhauling.

Description

technical field [0001] The invention relates to the technical field of ground resistance detection, in particular to a ground resistance state evaluation and online early warning cloud monitoring system. Background technique [0002] In recent years, lightning tripping has always been the first of all kinds of faults. Lightning disaster has become an important factor affecting the safe operation of transmission lines, and after the line is struck by lightning, the intrusive wave that enters the substation along the transmission line threatens the electrical in the substation. Equipment is often the main factor causing substation accidents, especially in areas with strong lightning activities, high soil resistivity, and complex terrain, the accident rate of distribution equipment is higher, causing huge economic losses. [0003] And the lightning accidents of the line account for a large proportion in the total lightning accidents of the power system. Moreover, after the lin...

Claims

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Application Information

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IPC IPC(8): G01R27/20G01R27/08
CPCG01R27/08G01R27/205
Inventor 刘社民盛从兵黄桥林何惠松刘博郭彦辉
Owner PUYANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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