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Re: [APD] [Off-Topic] Supplementing Electricity with Solar
Interesting thought. Too late for me ;)
On 2/6/2006 8:17 PM Jerry Baker said the following:
>Mike Szilard wrote:
>>That's exactly what I've got. And part of the protective circuit is the
>>fact that the inverter, even while connected to the grid, is powered off
>>the solar panels. No sun...no power.
>It seems that for really small-scale projects (like offsetting aaquarium
>lights), it's probably cheaper to transform the mains AC to DC and then
>feed that power and the solar panels' power into an inverter to get it
>back to AC. All you need is a transformer and an inverter.
>That way I could just slap some panels on the roof (like only 150W) and
>run the wire down the wall to the aquarium stand where it would meet the
>output from the transformer. No hassle with the breaker panel or
>synchronizing phase with the main. Assuming transformer efficiency of
>95% and an inverter efficiency of 90%, I still save a net of 100W power
>from the main.
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