[Boatanchors] Parallel Operation of HV Power Upplies

Ron w8ron at sbcglobal.net
Sat Feb 14 11:51:01 EST 2009


Bryon.

Forget the circulating currents, series chokes, diode sharing , 
capacitor parallel on the diodes, 866 iron and so forth.

Put the supplies in parallel and drop a load on them.
If they share current your DONE.
---
Ron


Byron Tatum wrote:
> A Quick Question-
>         I need about 800 mA at 2KV. I do not have a single transformer 
> to supply this. I do have two identical transformers that will supply 
> 400 mA at 2 KV.
>         I have been studying parallel operation of transformers, but 
> had these questions:
>                 Would just paralleling the transformers be sufficient, 
> or should there be low value resistors isolating the HV windings?
>                 Would it be better to use two identical power supplies 
> (transformers, rectifiers, filters) and connect the HV DC leads 
> together and parallel them in this fashion? (I have full power 
> supplies already containg the 400 mA at 2 KV transformers)
>                 If I went the complete power supply paralleling route 
> would there be any benefit in passing each HV DC lead through a HV 
> diode before actually tying leads together?
>                                                                 
> Thanks, Byron WA5THJ
>                
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