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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Hey, sorta what i was looking for posted by Penguin on September 1, 2005 at 17:26:38:
It's actually a very important question you ask..for the most part, the decision on normal/super is an easy one, like when you need 5 to 10 tesla magnets, normal copper just doesn't handle the current required. Or, when you are replacing AC power distribution feeds underground, and the size of the copper required is bigger than the existing conduits..The technical tradeoffs are very large. As this technology matures, the decision point heads more towards super..but at this point, for power delivery systems below a coupla megawatts or so, it doesn't pay to use superconductors.
Here, we decided to go with several thousand feet of two foot diameter vacuum insulated pipes to run 28 kiloamps worth of current because the copper was more expensive than the superconductor plus helium piping plus the support towers..it would have required 56 500 mcm cables to equal the two 1 inch diameter cable bundles we pulled. Plus, I got ta train on a 90 foot grove man lift..that was fun, even if the safey harness chafed a bit....:-)
For audio, the advantage so far is definitely not for the superconductor solution.
Cheers, John
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Follow Ups
- No prob - jneutron 06:24:41 09/02/05 (0)
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