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Re: It works! Solid state driver (fwd)




From: 	RODERICK MAXWELL[SMTP:tank-at-mail.magnolia-dot-net]
Reply To: 	tank-at-mail.magnolia-dot-net
Sent: 	Wednesday, December 10, 1997 8:42 PM
To: 	Tesla List
Subject: 	Re: It works! Solid state driver (fwd)

Tesla List wrote:
> 
> From:   Tesla List Owner[SMTP:listown-at-pupman-dot-com]
> Sent:   Tuesday, December 09, 1997 4:29 PM
> To:     tesla-at-stic-dot-net
> Subject:        Re: It works! Solid state driver (fwd)
> 
> Max,
> 
>   What happened is that you had flux imbalance in the transformer.   This is a
> common problem with push-pull forward converters or any design when you have no
> gap in the core.  Air-gapping the core reduces the permeability, and increases the
> level of drive you can tolerate before saturation occurs.  See any good textbook
> on switching power supply desing, such as Abraham Pressman:  Switching Power
> Supply Design, by McGraw-Hill.
> 
>   Good luck,
> 


   Well I've got to do something with these two toroid cores. I'll have
to try another configuration. As far as the book is concerned I've
looked at Amazon books site and the selection is pretty thin! Thanks!


                                  Frankensteins Helper
                                         Max