Re: Center tapped transformer

--- In CAD_CAM_EDM_DRO@y..., Matt Shaver <mshaver@e...> wrote:
> I'm going to assume you want to make a DC supply:
>
> (horrible ascii scematic follows - view in fixed width editor like emacs)
>
> ----|>|-----------+
> ) |
> ) |
> ) |
> ---o MINUS_DC +---o PLUS_DC
> ) |
> ) |
> ) |
> ----|>|-----------+
>
> Basically, the center tap is the negative pole of the DC supply and the two
> ends of the secondary winding are connected to the anodes of two rectifier
> diodes. The cathodes of the rectifires are tied together and that is the
> positive pole. You could flip both diodes around to reverse the polarity if
> you want to...
>
> you'll need a filter cap as well...
>
> Matt
>
> On Wednesday 23 October 2002 02:55 am, you wrote:
> > I have a transformer that is center tapped on the secondary. Voltage
> > from the center tap to either end is 30 v. from end to end it is 60
> > volts. I know that if I want 60 volts I just connect the ends to the
> > bridge and tape off the center tap. How do I connect it if I want 30
> > volts at the maximum amperage possible? I realize I can connect from one
> > end to the center and get the 30 volts, but it seems like I am missing
> > out on amperage by not somehow using the other half of the coil.
> >
> > Tim
> > [Denver, CO]