대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2005년도 추계학술대회 논문집 전기기기 및 에너지변환시스템부문
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- Pages.50-52
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- 2005
강자성체 지지판의 영향이 고려된 와전류탐상의 신호해석
The Analysis of Eddy Current Testing Signals Considering Influence of Ferromagnetic Support Plate
- Kim, Yong-Taek (Soongsil University) ;
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Lee, Hyang-Beom
(Soongsil University) ;
- Yim, Chang-Jae (KAITEC) ;
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Choi, Young-Hwan
(KINS)
- 발행 : 2005.10.20
초록
In this paper, the analysis of the eddy current testing(ECT) signals under thc Influence of the ferromagnetic support plate was performed in steam generator(SG) tube of nuclear power plant. In order to remove the influence of the ferromagnetic support plate, a multi-frequency ECT was used. The models which was established for the analysis of the signals is calculated using numerical analysis of finite element method. Through the result of numerical analysis, improved signals is acquired considering the influence of the ferromagnetic support plate using mixing of multi-frequency This paper is presented the residual errors and the phase changes for analysis of the defect signals which should be considered when conducting a ECT using multi-frequency.
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