[TowerTalk] DC very high voltage transmission lines

[kd4e]

>>> This link (now running at +/- 500kV, since 1982) terminates at the Sylmar
>>> converter substation just north of Los Angeles and carries arount 3 GW.
>> I seem to recall someone telling me that the Sylmar link was capable of 
>> single-ended operation against a ground return?
> 
> Yes.. actually a sea return.  There's a bunch of "ground electrodes" in the 
> ocean, at least at the southern end.  A 48 km transmission line connects 
> them.  One of those links describes it.

Does one not want to be out in those waters in their
aluminum rowboat when they switch to the sea return
ground-only mode?

:-)

-- 

Thanks! & 73,
doc, KD4E
... somewhere in FL
URL:  bibleseven (dot) com