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Re: Heating in 4-1/2 turn inductorFrom: Jeff_Johnson@Hotmail.com (Jeff Johnson) "amdx" <amdx@knology.net> wrote in message news:7f589$4c755cac$45013905$6863@KNOLOGY.NET...
huh? The half turn and the other turns were ok? This is impossible!?!?! One has the same current through the whole coil and if the wire was uniform then it should heat heally well. Not only that copper is a good heat conductor so if the 1/2 turn was heating up then he heat should spread pretty quickly. This assumes everything else is uniform along the coil. Something has to be going on that your not telling us? Ideally the heat should be uniformly distributed along the coil. By "HOT" I assume you mean much much hotter than the other coils? Heat is generated by the current, is it not? and the current should be uniform throughout the wire? The resistance of the wire itself should also be uniform. This suggests that the heat dissipated per unit length is independent of position. Were both ends hot? If not then something else is going on. Because you are saying the .5 end of a 4.5 coil got HOT. Yet which end? the 4.5 coil has two ..5 ends and should in theory be symmetric and hence both get equally HOT. If they wern't then something is aloof.
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