From the dc magnetization curve of figure it is possible to calculate the relative permeability r =

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From the dc magnetization curve of figure it is possible to calculate the relative permeability μr = Bc/(μ0Hc) for M-5 electrical steel as a function of the flux level Bc. Assuming the core of figure to be made of M-5 electrical steel with the dimensions given in Example 1.1, calculate the maximum flux density such that the reluctance of the core never exceeds 5 percent of the reluctance of the total magnetic circuit.

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Electric Machinery

ISBN: 978-0071230100

6th Edition

Authors: Charles Kingsley, Jr, Stephen D. Umans

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