Sunny Boy 700: AC coupling question [RE-wrenches]
Matt Tritt
solarone at charter.net
Fri May 16 11:07:50 PDT 2008
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This unit is no longer available in the US. :-(
Matt T
Allan Sindelar wrote:
>Mick,
>Consider the Sunny boy 1100, if it's still available (not sure). Small size,
>slightly higher DC voltage range, 230VAC output, and old enough that it
>didn't have a zero-crossing reference neutral. This option avoids the
>transformer losses.
>Allan (now just doing off-grid) at Positive Energy
>
>-----Original Message-----
>From: Mick Abraham [mailto:mick at abrahamsolar.com]
>Sent: Friday, May 16, 2008 10:38 AM
>To: RE-wrenches at topica.com
>Subject: Sunny Boy 700: AC coupling question [RE-wrenches]
>
>
>
>The preferred battery based inverter for my project du monde is pure
>sine, 60 hz, but 230 volt AC with no neutral.
>
>To "AC couple" a Sunny Boy 700 with that inverter, can I insert a 2:1
>transformer to double the Sunny Boy's AC output voltage so it can hook
>up with the battery based inverter?
>
>Could anyone suggest a source for a high efficiency (toroid?) type 2:1
>converter appropriate for this sub kilowatt load?
>
>Mick Abraham, Proprietor
>www.abrahamsolar.com
>
>
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