[Amps] Benefits of 3-phase power?

[R.Measures]

>
>On Fri, 21 Nov 2003 01:39:56 -0800 R.Measures <r at somis.org> writes:
>> >
>> >How do they convert such high DC voltages to AC?  Thyratrons or
>> >something similar?
>> >
>> **  Beats me, Bill, but stacked hydrogen thyratrons sounds likely.  
>> When the Sylmar inverter fired up for the first time, the RFI problem
>was  cataclysmic.  Screen-shielding eventually solved the problem.
>
>   Probably SCR's now-a-days.   See the link below for a typical
>installation.
>
>http://www.hydro.mb.ca/our_facilities/cs_dorsey.shtml
>
**   Thanks, Marv.  It's amazing that a Si thyristor-valve stack can 
switch 500kV at 2kA.   This is undoubtedly some serious  "QRO".  Sylmar 
is probably using the same technology.