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umurkucukyarar
Participant

Join Date: Mar 2008
Posts: 3

difference of 50 hz and 60 hz machines

03/14/2008 5:50 AM

hello friends,

i have known about the size difference about the machines which have difference hertz operation conditions since my lessons from the university, but i do not exactly know the why 60 hz machines size smaller than the 50 hz machines size?

for the same plate values

if anyone knows i will happy friends:)
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Pathfinder Tags: electric machines frequency
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marke
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New Zealand - Member - New Member

Join Date: Aug 2007
Location: Christchurch, New Zealand
Posts: 38
Good Answers: 1
#1

Re: difference of 50 hz and 60 hz machines

03/15/2008 4:24 PM

At 60 Hz, the iron required is lower than at 50 Hz. This is due to the flux constraints of the iron.

Best regards,
Mark Empson

http://www.LMPhotonics.com | http://www.LMPForum.com
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biswanath.das
Power-User

Join Date: Oct 2006
Location: Kolkata, India
Posts: 443
#2
In reply to #1

Re: difference of 50 hz and 60 hz machines

03/17/2008 12:49 AM

Voltage have a ralation V=4.44*Φ*f*P, in case of higher f, Φ requirement is less for same voltage . where pole remains same. Flux requirement less means you require less cross section of core. Thus Machine size reduces.

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BNDas
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