Re: DC Power Transmission
- From: Fred Bloggs <nospam@xxxxxxxxxx>
- Date: Tue, 28 Aug 2007 08:24:29 -0400
I heard recently that the Chinese are transmitting power using dc
rather than ac. I don't have details about this but I wondered what
advantages there would be. No inductances to worry about for instance
at dc. Is there less losses with dc transmission? Of course there can
be no transformers. I also thought that 3-phase was one of the most
efficient methods in terms of copper of transmitting power. Also there
could be no power factor problems if factories used dc. dc on the
otherhand for motors makes a motor less reliable due to brushes etc.
So, was Tesla wrong and Edison right after all?
You're having a problem with reading comprehension. The long distance transmission at DC does NOT imply that the load end distribution is also DC. The HV DC is stepped down and converted to AC at the destination so it can plug into the existing infrastructure.
.
- References:
- DC Power Transmission
- From: HardySpicer
- DC Power Transmission
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