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Anonymous Poster

Eddy Currents

12/01/2008 2:29 PM

hi my question is about a star delta starter aprox 280kw i have 6 120sq cables 3 are star connections and 3 delta stright forward. I also have 3 gland holes in the motor terminal box and 3 gland holes in the controler is there a certion rotation for the cables through the gland holes or should i not worrie about eddy currents.

Thanks for any help with this problem.

Reg .. robbie ireland
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Anonymous Poster
#1

Re: Eddy Currents

12/05/2008 12:33 AM

Hi,

As far I understand the concept the eddy current flows in the transformer windings when it is charged. This creates vibrations in the core bolts. Proper tighteneing minmize the vibrations.

Regards,

N.Suresh
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