alt.energy.renewable

On Fri, 21 Sep 2007 22:29:23 GMT, "Don Kelly" wrote:

>OK- thanks. At 1700ft run, I would highly recommend using step-up/step down
>transformers as the cost of wire to avoid excessive voltage drops would be
>as or more expensive. However, I don't know the size of unit you are
>considering which has an appreciable effect on requirements. For 10V voltage
>drop at 60A it appears that 4/0 (about 1/2 inch diameter) would do at 240V
>in/230V out. That's a fair amount of copper (3 wires with the neutral
>grounded and above the others-about 17 tons of copper unless my arithmetic
>is wonky). Surplus 2300/230V transformers, with arrestors and HV fuses plus
>smaller wires and appropriate insulators (or UG cable)might well be cheaper.

The Whisper HV 200 (1000W)
/documents/manuals/
(pg. 6) recommends #14 up to 2700'. #12 is good for 4300'.

Wayne