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Old 09-01-2018, 08:08 PM   #2681 (permalink)
oil pan 4
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Originally Posted by aerohead View Post
No,you don't sound like,nor are you an idiot for asking.It would be worse if you didn't ask.
I met a family in Kingman,Arizona which lived off the grid,on 12-VDC,and 120-VDC power.
They had a rather large,home-built 120-VDC wind generator which they used to charge a series-connected group of batteries.
Some of their lights and appliances were 12-VDC,and all the shop power tools had brush-type 120-V motors.
They were mentioned in the newspaper after a storm had knocked out the city's power,and this family's home was the only one 'lit up'.
If a photovoltaic array were located such that there couldn't be any stray shading,the series connecting wouldn't be a problem.
Converting a voltage from DC to AC would require some type of oscillator to produce the 50-or 60 Hertz necessary,and some sort of power conditioning to create a sine wave (motors need this especially).A square-wave and some synthesized sine-wave inverters will not produce an AC current of sufficient quality to run some ac motors.
The only people buying or still using square or modified sine wave just don't know what they are doing.
Pure sine inverters have come down a lot in price recently. I remember when they were over $1 per watt, now you get name brand ones for around 20 cents a watt.
Pure sine wave is all I use any more.

1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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Last edited by oil pan 4; 09-01-2018 at 08:44 PM..
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aerohead (09-04-2018)