Constant dB/dt DC Characterisation Through Digital Control of Magnetic Field

Anderson, Philip Ian ORCID: https://orcid.org/0000-0001-6500-6583 2011. Constant dB/dt DC Characterisation Through Digital Control of Magnetic Field. Przeglad Elektrotechniczny 87 (9b) , pp. 77-78.

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Abstract

Control over the rate of change of flux density when plotting DC BH loops is of paramount importance when characterising magnetic materials which exhibit large values of dB/dt for a linear change of applied field. A new method is described which allows constant dB/dt measurements to be made in a user friendly manner through a small number of iterations of a simple waveform control algorithm. The method was demonstrated on a grain oriented silicon steel and shown to provide accurate results after 3 iterations of the test algorithm.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords:	DC measurements, grain oriented steel, waveform control
Publisher:	SEP (Society of Polish Electrical and Electronics Engineers)
ISSN:	0033-2097
Last Modified:	24 Oct 2022 11:34
URI:	https://orca.cardiff.ac.uk/id/eprint/48597

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