Ultrasonic wave-based basin-type insulator flange bolt looseness monitoring method and system

The invention discloses a basin-type insulator flange bolt looseness monitoring method and system based on ultrasonic waves, and relates to the field of electric power equipment state monitoring, and the method comprises the following steps: S1, carrying out the root-mean-square deviation calculatio...

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Hauptverfasser: WANG WEI, LI PENGJIANG, WANG XUAN, SONG JIANCHENG, FAN JINGJING, GAO JINWU, JIAO GUOXUN, GE JIAN, NIU SHU, JIN TAO
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creator WANG WEI
LI PENGJIANG
WANG XUAN
SONG JIANCHENG
FAN JINGJING
GAO JINWU
JIAO GUOXUN
GE JIAN
NIU SHU
JIN TAO
description The invention discloses a basin-type insulator flange bolt looseness monitoring method and system based on ultrasonic waves, and relates to the field of electric power equipment state monitoring, and the method comprises the following steps: S1, carrying out the root-mean-square deviation calculation of an ultrasonic signal measured when a basin-type insulator flange bolt is loosened and an ultrasonic signal measured when the bolt is not loosened; and S2, judging the number and the positions of the loosened bolts according to the root mean square deviation change in the step S1. The transmitting piece and the receiving piece are tightly attached to the flange, ultrasonic signals are transmitted and received through an ultrasonic instrument, root-mean-square deviation calculation is conducted according to bolt looseness and the amplitude change of the ultrasonic signals during looseness, and the number and the positions of the loosened bolts are determined. 本发明公开了基于超声波的盆式绝缘子法兰螺栓松动监测方法及系统,涉及电力装备状态监测领域,步骤如下:S1、将
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subjects ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Ultrasonic wave-based basin-type insulator flange bolt looseness monitoring method and system
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