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Allpower 3500W generator

Discussion in 'General Questions' started by radio, Sep 15, 2020.

  1. radio

    radio Super OPE Member

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    I'm looking for the recommended idle speed for an Allpower 3500W generator. I can't find a service manual anywhere. The model # is AGP3302 and was also sold as Ducar DF3000H.
     
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  2. merc_man

    merc_man merc_man

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    Should have a hertz reader to set it at 60 hertz.
    But should be around 3600 rpm area.
    Someone who knows more will let you onow for sure how to do it.

    Sent from my SM-G950W using Tapatalk
     
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  3. radio

    radio Super OPE Member

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    Oh, good point, I never worked on a generator so I wasn't making the connection between engine RPM and output frequency. I'm familiar with UPS systems where the output power/frequency is completely decoupled from the input because the output stage uses sine wave generators. Since there are no electronics in the generator other than the electric motor and wiring, it makes sense the RPMs should be a multiple of the output frequency. Since I'm at 3750 now I may adjust it down to 3600. Or maybe I'll just figure out how to measure the output frequency. Or just leave it alone since it's only a few percent off. Thanks for the input!
     
    Last edited: Sep 15, 2020
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  4. Larry B

    Larry B Super OPE Member

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    Most generators are set ro run at 3600 at full load. That means no load is usually a little higher. I use a miltimeter with frequency function and plug in a big space heater and then set rpm to 60 Hz. If no load is 3700 or so that is about right. Lots of folks set the no load at 3600rpm and at full load it is probably down to 3450 or so.
     
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  5. radio

    radio Super OPE Member

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    Good to know. Seems like it's right at spec then.
     

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