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Eddy currents

  1. Apr 29, 2013 #1
    hi all. I understand wikipaedias explination of eddy currents but could someone please explain more fundamentaly how they work. Thanks in advance :)
     
  2. jcsd
  3. Apr 29, 2013 #2

    marcusl

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    The Wikipedia Explanation seems pretty good. What are you not understanding?
     
  4. Apr 30, 2013 #3
    could you explain how in brakes they cause energy loss at such a high rate?
     
  5. Apr 30, 2013 #4
    and explain it in qed possibly.
     
  6. Apr 30, 2013 #5
    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.
     
  7. Apr 30, 2013 #6
    thanks, i misunderstood first time i read the wiki.
     
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