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Eddy currents

by Pseudo Epsilon
Tags: currents, eddy
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Pseudo Epsilon
Apr29-13, 01:22 PM
P: 102
hi all. I understand wikipaedias explination of eddy currents but could someone please explain more fundamentaly how they work. Thanks in advance :)
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Apr29-13, 11:00 PM
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PF Gold
P: 2,085
The Wikipedia Explanation seems pretty good. What are you not understanding?
Pseudo Epsilon
Apr30-13, 12:00 PM
P: 102
could you explain how in brakes they cause energy loss at such a high rate?

Pseudo Epsilon
Apr30-13, 12:00 PM
P: 102
Eddy currents

and explain it in qed possibly.
Apr30-13, 01:15 PM
P: 114
The simplest way of thinking about them is to consider that a wheel that is braking is cconfigured as an electrical generator. Then imagine a short circuit across that generator and the eddy currents flow through that short circuit. The braking is then caused by the mechanical load presented by a short circuited generator.

It does not look like a generator,, because in a normal genera to we want to use the electrical supply externally.
Pseudo Epsilon
Apr30-13, 10:10 PM
P: 102
thanks, i misunderstood first time i read the wiki.

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