Posted by NoDakInMN on September 27, 2012 at 19:18:17 from (76.10.68.191):
In Reply to: rpm speed posted by gary in neb. on September 26, 2012 at 06:43:33:
"clean sine wave power"? Since all alternating power has a "sine wave" I'm somewhat unclear by what you mean as the sine wave is tied to the hertz or cycles of the power. 60 hz is 60 hz. What I suspect you are having problems with is the voltage supply. A variation of + or - 10% of design voltage will create havoc with electically powered devices be it motors or electronics. If you overload your generator you will reduce the voltage, possibly to the point of exceeding the 10% limit. This can happen when the inrush current of certain things starting creates more draw then the generator can supply. Some people will load up their generators with steady draws near the maximum output of the generator and then when a fridge, freezer or some other device that has a high inrush current comes on, then the generator will overload and the volts will drop.
When I use mine, I unplug my freezers and water heater as well as any other electric heating device. I then monitor the amp draw and leave ample supply for my fridge to come on. Then from time to time I shut down all I have connected to it and then let the freezers and such run by themselves as needed.
Too many people just plug things in until their generator bogs down and back it off a bit. But you need to monitor your amerage based on the wattage output of your generator and then you will have stable source of power.
Oh, and make sure that you have opened your main disconnect on your panel before running your generator as it will backfeed down the line otherwise and create added draw on you generator as well as making it very dangerous for the linemen trying to restore power.
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