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Re: [TCML] Question for solid-staters

Sharing input power is what I'm after so it seems as if it will work. I've just finished laying out a new v. of the power circuit-board; the old assy is too spread out and didn't include effective snubbing capacitance. There's too-high ringing during current transitions. I'll assemble 2 of them at first, to experiment with just how much the 2nd one contributes. Then, if successful & if older age doesn't get me, I'll add the other 2. I'm suspecting that the too-high initial ringing-peak may be with me still since it's very narrow. I will put MOVs across the MOSFETs, source to drain but it may be that I'll just have to bring the power up to max & try for the best, so to speak.
BTW I've put up on Dropbox a revised simulation-schematic of the h.v. part of the T.C: https://dl.dropboxusercontent.com/u/28799314/TCRB3/Screenshot%20-%204_25_2015-rev-schem.jpg 

Ken

On 4/27/2015 1:43 AM, Udo Lenz wrote:

   Hi Ken,
parts snipped...
This seems to further tell me that I don't have to series the primaries to create 1 effective coil but rather can configure them just physically & electrically in parallel. 

You certainly can. But in terms of power you transfer to the secondary,
power out to the secondary is equal to power in to the primary or
primaries. You can always get out more secondary voltage, if you decrease
primary inductance.
Possibly I've misunderstood your intentions. Do you want to improve the efficiency of the coil by using several primaries or do you want to be able to share input 
power among several bridges in order to decrease the load on each bridge?

AFAIK, the former won't work, the latter will.

Udo





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