"thumper" wrote in message ...

On 6/27/2012 4:54 PM, Califbill wrote:

The power grid has to stay AC. Was the big battle between Edison and
Tesla. The DC was short distance, and the losses were large.

High voltage DC has less loss than AC due to reduced skin effect and
radiation loss and is used for long distance transmission.


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Where?
The main lines in Central Calif are 500kv ac