Differences between revisions 5 and 6
Revision 5 as of 2018-07-17 06:01:47
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Comment:
Revision 6 as of 2018-07-17 06:02:03
Size: 1108
Comment:
Deletions are marked like this. Additions are marked like this.
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$ \delta = \sqrt{ 2 \rho / \omega \mu_r \mu_0 } $, $ 2 / \mu_0 $ = 1.59e6 m/H $ \delta = \sqrt{ 2 \rho / \omega \mu_r \mu_0 } $ . . . . . $ 2 / \mu_0 $ = 1.59e6 m/H

Skin Depth

\delta = \sqrt{ 2 \rho / \omega \mu_r \mu_0 } . . . . . 2 / \mu_0 = 1.59e6 m/H

Material

Temp

perm.

resis.

depth (m) at frequency

K

\mu_rr

\rho \Omega-m

60 Hz

400 Hz

1 KHz

5 KHz

20 KHz

200 KHz

3% Si Transformer Steel

300

700

3% Si Transformer Steel

700

700?

Aluminum

300

1

Aluminum

700

1

Copper

300

1

Copper

700

1

SkinDepth (last edited 2018-07-18 17:58:39 by KeithLofstrom)