stds-802-16: Question
hello!
I am Mohammad farshad. I am student of Power Engineering.
I am studing in P.W.I.T. university.I have a question.
Please answer to me.I need to your responsing.
My question is about the Power Systems frequency.
Why the frequency of power systems is 50hz or 60hz,
and it is not lower or Higher.
plaese say me the history of this selection(50hz or 60hz).
why it is not 30hz or 100hz.
thank you for responsing.
My E.Mail is : pwit_powerengineer@yahoo.com
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