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|| Material || Temp || perm. || res. ||<-6> depth (m) at frequency || || || C || μ,,r,, || Ω-m || 60 Hz || 400 Hz || 1 KHz || 5 KHz || 20 KHz || 200 KHz || || 3% Si Transformer Steel || 300 || 700 || |
|| Material || Temp || perm. || res. ||<-6> depth (m) at frequency || || || K || μ,,r,, || 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 || || || || || || || || |
Skin Depth
Material |
Temp |
perm. |
res. |
depth (m) at frequency |
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K |
μr |
Ω-m |
60 Hz |
400 Hz |
1 KHz |
5 KHz |
20 KHz |
200 KHz |
3% Si Transformer Steel |
300 |
700 |
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3% Si Transformer Steel |
700 |
700? |
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Aluminum |
300 |
1 |
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Aluminum |
700 |
1 |
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Copper |
300 |
1 |
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Copper |
700 |
1 |
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