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From: Jasen Betts on 28 Jun 2010 04:33
On 2010-06-27, Dan Beck <biscuitbecks@*NOSPAM*cableone.net> wrote:
> Hello all,
>
> a related issue came up in the pinball newsgroup I read regularly...
>
> Suppose you have an AC electric motor that spins at 100 rpm when supplied
> with a 110 VAC, 60 Hz electricity source. If you could change the frequency
> of the AC from 50 Hz to 60 Hz, what would be the resulting performance
> change (if any) of the above theoretical motor?

Depends on the motor design. Univversal, induction, or synchronous ?


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From: Cydrome Leader on 29 Jun 2010 14:35
Jasen Betts <jasen(a)xnet.co.nz> wrote:
> On 2010-06-27, Dan Beck <biscuitbecks@*NOSPAM*cableone.net> wrote:
>> Hello all,
>>
>> a related issue came up in the pinball newsgroup I read regularly...
>>
>> Suppose you have an AC electric motor that spins at 100 rpm when supplied
>> with a 110 VAC, 60 Hz electricity source. If you could change the frequency
>> of the AC from 50 Hz to 60 Hz, what would be the resulting performance
>> change (if any) of the above theoretical motor?
>
> Depends on the motor design. Univversal, induction, or synchronous ?
>
>
> --- news://freenews.netfront.net/ - complaints: news(a)netfront.net ---

At 100RPM, it's probably not a universal motor.
From: Tom Biasi on 29 Jun 2010 19:18

"Cydrome Leader" <presence(a)MUNGEpanix.com> wrote in message
news:i0dedl$1jk$1(a)reader1.panix.com...
> Jasen Betts <jasen(a)xnet.co.nz> wrote:
>> On 2010-06-27, Dan Beck <biscuitbecks@*NOSPAM*cableone.net> wrote:
>>> Hello all,
>>>
>>> a related issue came up in the pinball newsgroup I read regularly...
>>>
>>> Suppose you have an AC electric motor that spins at 100 rpm when
>>> supplied
>>> with a 110 VAC, 60 Hz electricity source. If you could change the
>>> frequency
>>> of the AC from 50 Hz to 60 Hz, what would be the resulting performance
>>> change (if any) of the above theoretical motor?
>>
>> Depends on the motor design. Univversal, induction, or synchronous ?
>>
>>
>> --- news://freenews.netfront.net/ - complaints: news(a)netfront.net ---
>
> At 100RPM, it's probably not a universal motor.
In real life it would most likely have a gear box.
Since the OP "imagined" the motor it was assumed he was concerned about the
frequency.

Tom


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