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View Diary: The simple innovation that could make wind power a big player (230 comments)

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  •  The cord cooling approach is actually being used.. (0+ / 0-)

    because realistically you need an order of magnitude or so better cooling than passive air cooling alone can provide, not something that a mere uprating of wire type or insulation can provide.  Rapid charging can be hundreds of amps for 5-15 minutes; the tables for passive air cooled steady-state wires state something like 0.5-1" diameter, give or take depending on the details - way too heavy and cumbersome.

    I don't know what sort of coolant they use, but I would expect that it is relatively nonconductive and non-flammable.  

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