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전원주파수 교류자기장 내성평가용 대형 3-축 사각 헬름홀쯔 코일 시스템 제작
유권상(K. S. Ryu),김창석(C. S. Kim),정낙삼(N. S. Chung) 한국자기학회 1995 韓國磁氣學會誌 Vol.5 No.5
We constructed the large 3-axis square Helmholtz coil system for the power frequency magnetic field immunity test. We measured the coil factors and magnetic field homogeneities of the fabricated 3-axis square Helmholtz coil. The experimental results for the field homogeneities are in agreement with the theoretical data. From these results, we determined the effective areas for the immunity test. We also confirmed that the low current using the multi-turns coil can be applicable to the immunity test for the high field in short duration.