300V DC Power Supply? [RE-wrenches]

[David Blecker]

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Steve,

This is helpful.  Good to know someone else is doing it.  Do you have a 
model/part number or specs for the rectifier you're using?

Dave

At 12:02 PM 4/29/2003, you wrote:
>We use a 'home brew' power supply which I put together to test the
>'Windy Boy' (a version of the SWR-2500 which we developed for use
>with 2.5kW Proven wind turbines) in times of no wind. We now use this
>for SWR-2500 bench testing and inverter parameter verification & set-
>up. We use a PV array for the smaller Sunny Boy inverters.
>This power supply consists of a 12VDC:230Vac sine wave inverter (a
>Studer AJ201) run from a 12V battery. Output goes to a full-wave
>bridge rectifier which then gives ~ 300VDC as input for the
>Sunny/Windy Boy.
>I was fairly nervous about switching on, and I don't know if SMA would
>approve, but it works fine.
>I guess you could get suitable inverters in the US from AEE, or use a
>120 Vac inverter 1:2 transformer then the rectifier.
>
>I hope this is useful,
>Cheers
>Steve
>Wind & Sun Ltd
>
>
>To:                     "RE-wrenches-topica.com" <RE-
>wrenches at topica.com>
>From:                   David Blecker <blecker at seventhgenergy.org>
>Subject:                300V DC Power Supply? [RE-wrenches]
>Date sent:              Tue, 29 Apr 2003 08:15:10 -0500
>Send reply to:          RE-wrenches at topica.com
>
> > Does anyone have a line on affordable 300 VDC power supplies?  I think it
> > would be nifty to bench test the SunnyBoy with controlled inputs (and 
> where
> > its always warm and dry and there are no nervous customers breathing down
> > your back) before taking  the unit out for installation.  Does anyone 
> pre-test?
> >
> > Thanks,
> > Dave
> >
> > ----------------------------------------------------------
> > David Blecker, P.E., Director
> > Seventh Generation Energy Systems
> > 608-424-1870 (ph)  424-1810 (fax)
> >
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>
>Wind & Sun Ltd., Humber Marsh, Stoke Prior,
>Leominster, Herefordshire, HR6 0NE.
>Web: www.windandsun.co.uk
>
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----------------------------------------------------------
David Blecker, P.E., Director
Seventh Generation Energy Systems
608-424-1870 (ph)  424-1810 (fax)

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