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rotational_magnetisation [2019/06/03 18:30]
rotational_magnetisation [2020/07/09 00:04] (current)
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 +====== Rotational magnetisation ======
 +|< 100% >|
 +| //[[user/Stan Zurek]], Rotational magnetisation, [[|]], {accessed @YEAR@-@MONTH@-@DAY@}// |
 +{{page>insert/just photo}}
 +**Rotational magnetisation** - a type of [[magnetisation]] in which the excitation changes direction in a rotational manner. This is different from [[alternating magnetisation]], where the direction is mostly constant, only just amplitude changes (e.g. as in [[transformer|transformers]]).
 +| {{youtube>jCgZO4MbLRY?medium}} {{page>/insert/by SZ}} | {{youtube>shFB7xSG26U?medium}} {{page>/insert/by SZ}} |
 +| Animation of rotational magnetisation, made from data measured for [[grain-oriented electrical steel]], circular [[B]] of 1.7[[T]], 50 Hz | Animation of differences between [[power loss]] measured under clockwise and anticlockwise rotational magnetisation. The differences are caused by angular misalignment of [[B]] and [[H]] [[sensor|sensors]] in a [[fieldmetric method]][(Zurek S., et al., On the difference between clockwise and anticlockwise power losses, Part 1: Mathematical study, [[IEE Proceedings, Science, Measurement & Technology]], Vol. 153, No. 4. July 2006, p. 147-151)] |
 +===== See also =====
 +  *[[alternating magnetisation]]
 +===== References =====
 +{{tag>Rotational_magnetisation Counter}}

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