자속밀도 파형제어에 의한 토로이달 벌크 전기강의 자기특성 측정Experimental Measurement of Magnetic Properties of a Toroidal-type Bulk Electrical Steel using B-waveform Control
- Other Titles
- Experimental Measurement of Magnetic Properties of a Toroidal-type Bulk Electrical Steel using B-waveform Control
- Authors
- 음영환; 고창섭; 홍선기; 신판석
- Issue Date
- 2007
- Publisher
- 대한전기학회
- Keywords
- Ring Test; Iron Loss; BH Curve; Electrical Steel; Ring-type Bulk Steel; IEC 404-21. 서 론†교신저자; 正會員 : 忠北大 電氣電子컴퓨터 工學部 敎授E-mail : kohcs@chungbuk.ac.kr*學生會員 : 忠北大 電氣工學科 碩士課程
- Citation
- 전기학회논문지ABCD, v.56, no.5, pp.869 - 875
- Journal Title
- 전기학회논문지ABCD
- Volume
- 56
- Number
- 5
- Start Page
- 869
- End Page
- 875
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/23997
- ISSN
- 1229-2443
- Abstract
- - Magnetic properties of electrical steel are, in general, measured by using Epstein frame or single sheet tester (SST). These methods, however, require very strict regulation of a specimen in its size and shape, thus, can not be easily applied to various types of specimen. On the other hand, a ring-test method, which measures only the isotropic properties, can be easily applied to most cases because it requires a toroidal-type specimen of arbitrary size. This method, especially, is considered as an unique available method for a bulk-type specimen.In this paper, a ring-test method is developed, and applied to the measurement of magnetic properties of a bulk-type electrical steel with a toroidal-type specimen. In the measurement, the magnetic properties and iron losses are measured and compared with each other at the both sinusoidal magnetic flux density and sinusoidal magnetic field intensity conditions under 0.2Hz and 60Hz alternating magnetic fields excitation. Through experimental measurements, a sinusoidal magnetic flux density condition is proven appropriate for the measurement of magnetic properties, including iron loss characteristics, of electrical steels.
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