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Coil Failures pt 7: Hardening Inductors

October 14th, 2010

When designing and fabricating long-lasting induction systems it is important to consider the electromagnetic field in the immediate vicinity of the inductor. The use of low-resistivity nonferrous materials (preferably electrically non- conductive) in the area close to the inductor is recommended. Fasteners and washers used to connect bus-work to the inductor should also be nonferrous and preferably nonconductive. The rule of thumb: Ferrous materials should be located at least one coil diameter away from the coil. More precise recommendations can be obtained by using computer modeling.

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