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Thread: running an A/C generator at higher/lower frequencies

  1. #1 running an A/C generator at higher/lower frequencies 
    Forum Bachelors Degree
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    Will a generator that is made to generate 60 Hz be able to generate higher/lower frequencies efficiently?

    Is there any chance of damage to the generator if higher/lower frequencies are generated?


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  3. #2  
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    I think it depends on how much higher or lower. A car alternator works over a pretty wide range of engine speeds. If you wanted to spin a generator a lot faster to get a higher frequency, there would be some mechanical limit above which it would probably be better to increase the number of poles to get your frequency increase.


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  4. #3  
    Forum Professor jrmonroe's Avatar
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    The circuitry may regulate itself at 60 Hz. Also, if this modification involves using the same power source, typically an internal combustion engine, this also means suboptimal power output and/or fuel economy, and possibly "lugging" the engine, blowing a gasket, etc.
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  5. #4  
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    Generally, yes they can within the mechanical limits of the system. They have mechanical constraints and winding configurations that make them optimally suited for 60 HZ but they can be varied within reason. some off the shelf systems can be varied by as much as 30% without a major issue.

    Harold noted a generator that is well suited for a wide variable speed (and frequency)
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