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Transmission line sag height Automatic Identification System Research and Implementation

Author: DaiZuo
Tutor: ZhouXiaoJia；LiYong
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: Sag FBG strain sensor FBG Temperature Sensor Demodulation GPRS
CLC: TP212.9
Type: Master's thesis
Year: 2011
Downloads: 86
Quote: 0
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Abstract


Power transmission line bears the heavy power delivery is important and power network systems an integral part of, especially as power trunk lines for transmission lines, it’s safe, reliable and stable operation related to the national economy. Sag transmission line is the line design and operation of one of the key indicators related to the security of the transmission line run, sag in the design must be controlled within the allowable range. Transmission line operating load changes are also the surrounding environment may cause changes in transmission line sag, sag too much may cause serious security risks, and sag on the transmission capacity of transmission lines is limited, especially in the cross-cutting , the busy and large cross sections. Development of a sag height of automatic identification system to great practical significance.Sag proposed automatic identification system by using fiber Bragg grating strain sensors and fiber Bragg grating temperature sensor wire transmission line of the strain and temperature measurements, and thus wire strain and temperature based on the calculated sag wire transmission line, due to FBG sensor used, performance is more stable, long wires on transmission lines for accurate measurement of sag. The traditional measurement of sag resistance strain weighing system uses wire tension measurement, the resistance strain gauge bridge balance is difficult, can not possibly be accurate for measuring wire sag. The proposed method is very good solution to this problem.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Sensor applications
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