[Phys-L] Re: long-distance electric power transmission

[John Denker <jsd@AV8N.COM>]

On 03/22/05 09:03, Carl Mungan wrote:
> 2. Google also mentions that dc is sometimes used instead of ac for
> long-distance transmission. Can someone give a brief explanation of
> the most important advantages and trade-offs involved?

A major incentive for DC is that you don't have the
synchronization problems that come with AC.

On the other side of that coin, you need some
serious equipment at each end to do the AC/DC
and DC/AC conversion.  Think about the power
levels involved.
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