Posted by George Marsh on April 19, 2011 at 14:41:34 from (71.114.202.56):
In Reply to: Figuring watt draw?? posted by dave2 on April 19, 2011 at 03:26:42:
Dave, Most things in the US not only need 120 vac they need 60 Hz. Not sure what the frequency you have in Germany. If you put 50 hz in a transformer, you are going to get 50 hz out. The speed of a motor is also determined by frequency. Inverter technology has advanced to a point here that we can control the speed of AC motors by changing the frequency.
I think some gas generators also incorporate inverter tech to regulate the output and frequency. I'm guessing generators may be too expensive for you to use because of the price of your gas. What if you got a generator made for US that uses inverter tech, replace the engine with an electric motor that works on your power and make 120-240 vac 60 hz from the generator?
Just a crazy red neck idea. In theory, 1 horsepower = 746 watts. If you would find a 1000 watt generator, I would overpower it a little and use 2 hp.
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