One of the best amp power supply is to use 3 phase transformer
with two HV secondary windings. Conect one as delta and the
other as Y. Use rectifiers for each then connect the rectified voltages
in series and you will have a 12 phase system for which you may need
a low value filtering capacitance.
The Harris RF-111 PS use this system without any filtering.
Similar for the Harris RF-745 (4CX15000 10kW amp) and
RF-112 supply which are using the same system with L-C filtering.
see also
http://antennspecialisten.se/~sm5bsz/supply.htm
73,
Traian
DF3KV@aol.com wrote:
> ka1xo@juno.com wrote:
>
> >
> >The everyday advantage to using 3-phase mains is smaller wire diameter and
> >lighter motor frames for the same HP.
>
> Stable, much better regulation and far less ripple on
> rectifier circuits, just 4% ripple without any capacitor!
>
> >
> >But who has 3-phase going to their house?
>
> almost everybody in western europe :-)
>
> 73
> Peter
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