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Rotary AC power transmission line magnetic field measuring apparatus

A transmission line, electromagnetic field technology, applied in the direction of the size/direction of the magnetic field, can solve the problems of the accuracy of the leakage current measurement results of the instrument, and achieve the effect of improving the measurement accuracy and work efficiency, and avoiding the effect of distortion.

Active Publication Date: 2015-12-23
WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the electromagnetic field measurement mainly relies on the operators to go deep into the line or choose an open space in the substation and arrange the measuring instruments, manually operate and record the data. The effect has a great influence on the accuracy of the measurement results

Method used

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  • Rotary AC power transmission line magnetic field measuring apparatus
  • Rotary AC power transmission line magnetic field measuring apparatus
  • Rotary AC power transmission line magnetic field measuring apparatus

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0020] A rotary electromagnetic field measuring instrument for AC transmission lines of the present invention, such as Figure 1~3 As shown, it includes an insulating support 1, an insulating base plate 2, a rotating sleeve 3, a motor system 4, an electromagnetic field monitoring probe 5 and an electromagnetic field monitoring instrument 7, wherein the signal output end of the electromagnetic field monitoring probe 5 is connected to the electromagnetic field monitoring instrument 7, the motor system 4 includes a housing 4.1, a rotating motor 4.2 and a controller 4.3 arranged in the housing 4.1, the control signal output of the controller 4.3 is connected to the control end of the rotating motor 4.2, and the motor system 4 The housing 4.1 of the housing is fixed on the top surface of the insulating base plate 2, the top of the insulating support ...

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Abstract

The invention relates to a rotary AC power transmission line magnetic field measuring apparatus comprising an insulated support, an insulated base plate, a rotary sleeve, a motor system, an electromagnetic field monitoring probe rod, and an electromagnetic field monitoring instrument. The signal output end of the electromagnetic field monitoring probe rod is connected with the signal input end of the electromagnetic field monitoring instrument. The motor system comprises a housing, a rotary motor, and a controller, wherein the rotary motor and the controller are disposed in the housing. The control signal output end of the controller is connected with the control end of the rotary motor. The housing of the motor system is fixed to the top surface of the insulated base plate. The top of the insulated support is fixed to the bottom surface of the insulated base plate. The motor rotating shaft of the rotary motor is arranged vertically upwardly. The rotary sleeve is fixed to the motor rotating shaft of the rotary motor. The electromagnetic field monitoring probe rod is fixed to the rotary sleeve. The rotary sleeve is arranged over the housing. The rotary AC power transmission line magnetic field measuring apparatus prevents a distortion effect of a worker on a monitored result, may automatically record and analyze electromagnetic field changes, and provides reliable data for engineering construction ecological environment evaluation.

Description

technical field [0001] The invention relates to the technical field of transmission line detection, in particular to a rotary type AC transmission line electromagnetic field measuring instrument and a measuring method. Background technique [0002] As an important indicator of electromagnetic environment evaluation for power transmission and transformation projects, the electromagnetic field level under the transmission line has a great influence on the ecological environment evaluation effect in the completion acceptance stage of power engineering projects. Therefore, it is of great significance to improve the electromagnetic field monitoring technology level. In recent years, the electromagnetic field measurement mainly relies on the operators to go deep into the line or choose an open space in the substation and arrange the measuring instruments, manually operate and record the data. The effect has a great influence on the accuracy of the measurement results. Contents o...

Claims

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Application Information

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IPC IPC(8): G01R33/02
Inventor 方书博李牧张晓琴叶春勇王佳婕何钢韩晴陶铃宏
Owner WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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