Skin Depth
Material |
Temp |
perm. |
res. |
depth (m) at frequency |
|||||
|
K |
μr |
Ω-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 |
|
|
|
|
|
|
|