Typically a buck and boost will make either a 12.5 VAC or 24 VAC difference. B&B sounds like a sound solution. Unless you are going to have some heavy loads other than AC a B&B may do the job plus you will have a two conductor rather than a three conductor plus Xfmr in the cost.
Dale in the Flat Lands:----- Politics is supposed to be the second-oldest profession. I have come to realize that it bears a very close resemblance to the first. ~Ronald Reagan
wired wrote:
I apologize that this is a bit technical of a question, but I know a few people here are technical kind of guys.
I am going to run an electric line for a motor home, with aluminum wire, a distance of 700 feet. The motor home needs 40 amps 120 volts.
Voltage drop is a major issue here. My thought is to use a transformer to either run 240 volts there and step it down to 120 volts . Option 2 is use a buck boost transformer to raise the 120v. voltage a few volts at the end of the line. What about a transformer with a regulator to keep the voltage even in varying loads conditions? Please don't worry about my using aluminum wire as I know how to properly connect it (I am an electrician). This is to be used only occasionally for recreation purposes at a pond (city slickers camping out in town).
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