The total inductance (L_{mathrm{P}}) of a solid cylindrical conductor (of radius (r) ) due to both internal

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The total inductance \(L_{\mathrm{P}}\) of a solid cylindrical conductor (of radius \(r\) ) due to both internal and external flux linkages out of distance \(\mathrm{D}\) is given by (in \(\mathrm{H} / \mathrm{m}\) )

(a) \(2 \times 10^{-7}\)

(b) \(4 \times 10^{-7} \ln \left(\frac{\mathrm{D}}{r}ight)\)

(c) \(2 \times 10^{-7} \ln \left(\frac{\mathrm{D}}{r}ight)\)

where \(r^{\prime}=e^{-\frac{1}{4}} r=0.778 r\).

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Power System Analysis And Design

ISBN: 9781305632134

6th Edition

Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

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