Re: Three phase rectifiers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Greg Leyh by way of Terry Fritz <twftesla-at-uswest-dot-net>" <lod-at-pacbell-dot-net>

> Some further comments. Assuming you use the following circuit (view in
> fixed font):

                Lc     |\ |            || Cp
   ------o---0000000---| :|-----o------||-------- 
 +Vin    |             |/ |     |      ||       | 
         |              D1      |               0
         |                      o  Rotary       0
   Cs  -----                    X  Spark        0 Lp
       -----                    o   Gap         0
         |                      |               0
 -Vin    |                      |               |
   ------o----------------------o----------------         

> With the insertion of the blocking diode D1 in the charging path, you
> can run at varying break rates that are equal or less than:
> 
>      BPS (Max) = 1/(Pi*SQRT(Lc*Cp))
>
> [snip]
>
> -- Bert --


Nice schematic... ^_^
In the case where the HVDC power source is a three-phase, 
six pulse system, both Cs and D1 can be omitted since the 
rectifier bank will nicely perform the blocking function.
-- 


-GL
www.lod-dot-org