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Mu-metal을 이용한 765kV 송전선의 자계차폐에 관한 연구

Title
Mu-metal을 이용한 765kV 송전선의 자계차폐에 관한 연구
Other Titles
An Investigation of the Shielding Effect of Magnetic Field using Mu-metal for the Application to 765kV Transmission Line
Author
이승철
Alternative Author(s)
Lee, Seung-chul
Advisor(s)
구자윤
Issue Date
2009-02
Publisher
한양대학교
Degree
Master
Abstract
An integrated sensor system “Power Ball Sensor” has been designed and then developed for the direct installation on the 765kV transmission line. Any potential service failure of the power grid could be noticed ascribed to its advanced function enabling to monitor the operation and environmental situation. Since it is exposed to the extreme magnetic field disturbance caused by the transmission line, all digital devices that should be carefully protected against high magnetic disturbance by the shielding materials such as Mu-metal or Permalloy in order to guarantee the relevant normal operation. In this work, the magnetic field shielding effect (SE) has been empirically investigated for the Mu-metal case by applying different number of shielding layers (1-layer to 3-layer) to deduce the design parameters for the “Power Ball Sensor”. And also the magnetic field distribution is measured by use of a self-designed magnetic probe as a function of the magnitude of the transmission current generated at the laboratory.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/144694http://hanyang.dcollection.net/common/orgView/200000410657
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > ELECTRONIC,ELECTRICAL,CONTROL & INSTRUMENTATION ENGINEERING(전자전기제어계측공학과) > Theses (Master)
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