Timeline for Why do power grids tend to operate at low frequencies like 60 Hz and 50 Hz?
Current License: CC BY-SA 4.0
6 events
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| Dec 18, 2020 at 17:02 | comment | added | supercat | @DmitryGrigoryev: The choice of how to physically arrange the steel and copper almost certainly has a lot to do with the skin effect. If current tended to flow more in the center of a conductor, cables would be built with copper in the middle and steel outside, rather than vice versa. | |
| Dec 18, 2020 at 9:10 | comment | added | Dmitry Grigoryev | I've also seen copper-clad steel power lines, although those are primarily used for mechanical strength, not to take advantage of skin effect. | |
| Dec 17, 2020 at 13:41 | comment | added | TooTea | Hollow power wires might be difficult to imagine if you're talking about overhead lines, but note that high-current internal connections in power plants and the like are almost exclusively done using pipes (often with coolant flowing inside). And for overhead lines, cables using poorly conducting yet mechanically advantageous cores are very much a thing: en.wikipedia.org/wiki/… | |
| S Dec 16, 2020 at 18:25 | history | suggested | Dan D. | CC BY-SA 4.0 |
Put the periods in the customary position.
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| Dec 16, 2020 at 14:31 | review | Suggested edits | |||
| S Dec 16, 2020 at 18:25 | |||||
| Dec 16, 2020 at 9:52 | history | answered | Autistic | CC BY-SA 4.0 |