NCEES Practice Exam, Q122

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MadamPirate PE

MadamPirate PE

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Hi there,

Is there anyone who can point me in the direction of how to solve this question? I looked at the solution and it makes zero sense to me. Or if someone could step me through it, that would be great.

Thanks!

 
Is 122 asking:

A power plant uses a turbine driven sync gen rated 3ph, 150MVA," blah blah blah?

I wanted to make sure I have the same Q122 as you (I have an older version of NCEES)

 
The Apparent Power is the Rated power of the generator. You know the power factor. The real power at rated conditions is

P = S * pf so P=150*.85 = 127.5 MW. 

Then round 127.5 MW to 128 MW. (C)

 

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