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I was working this problem from a PE example exam and I was  stuck on how the solution to the problem for find the phase current was formulated. I understand the vector property but how was this equation formed to find the phase current has me stuck. thank you for any help on this I have ...

I was going over problem 537 of the Pe sample exam . To get a good understanding of this question would the  Icharging current flow through the line length of a conductor  acting as shunt capacitor to ground therefore the line length , the voltage to ground and the radius of the conductor would...

Do anyone  know how to solve for Line voltage in a delta configuration see attachment please

I have been working problems for the PE test in October and came across this problem in Kalpan  practice problem. Do anybody have a good ideal on how to solve this problem. Kaplan has a formula but it doesn't seem to work .  I have attached the problem . any help on this one will be greatly...

Can any help me lock down the concept of Vbase through a transformer ? I have attach a problem from Kaplan PE Power exam. I'm stuck on how they  solve for the base voltage on the motor side of the problem. The have the  solution saying Vbase = 22 (220/25) (13/sqrt3*130) give you 11.1775 as the...

Can any help me lock down the concept of Vbase through a transformer ? I have attach a problem from Kaplan PE Power exam. I'm stuck on how they  solve for the base voltage on the motor side of the problem. The have the  solution saying Vbase = 22 (220/25) (13/sqrt3*130) give you 11.1775 as the...

Hi, can anybody help me figure  out this short transmission line problem.  I've attach the problem but I don't understand how the equation was able to solve for Vr can some please held me understand how Vr was calculated? thank you for any help on this problem Kduff70

Hi, can anybody help me figure  out this short transmission line problem.  I've attach the problem but I don't understand how the equation was able to solve for Vr can some please held me understand how Vr was calculated? thank you for any help on this problem Kduff70

Does anybody know of any good example problem to study for the power exam. Outside of the usually Spin, Complex Imaginary, How the Pass the engineer test problem, Kaplan, Camara and Ncees ?

I was going through Graffeo ex .26 on page 57-58 I don’t quit understand the equation he uses to solve for the fault current why is it 1 over the impedance? And is the 35,555A the current over the eight circuit break. And will it be 4444 A across each of the circuit breaker. I have attached the...

In my pursuit to pass this test I've been trying to figure out a better way of studying. I know now that just studying the problem in spin,CI, NCEES and Graffeo are not enough. When I took the test in the spring I knew the topic well and was not surprised but more so stuck when certain...

In my pursuit to pass this test I've been trying to figure out a better way of studying. I know now that just studying the problem in spin,CI, NCEES and Graffeo are not enough. When I took the test in the spring I knew the topic well and was not surprised but more so stuck when certain...

I didn’t pass again, but I'm not giving up. The thing that get me is all the stuff that I was weak on the last test I did very well in but the stuff I did well on the last I did poor. I think I have to study principle more this next time while continuing to work all the spin, graffeo, CI , Ncees...

Hey Does anybody know how to do this problem

Hi can anyone make sense on what the correct phasor experssion should be for the current and voltage the solution problems was all marked up not sure what the correct answer should be i tend to think the phase shift for the current phase angle is 30 degrees and the voltage is 0 degrees ...

I was working this Grainger problem on inductive reactance in the line but for the second part of the question doesn't give the GMR and they do not tell you the ASCR is a "Dove" but they do give enough information to do the first part of the question by telling us it a "Blue jay" but with...

Hi I tried working problem 3.1 in Grainger but not sure how they came up with the correct number of pole I have attached the problem if someone can figure out how they obtain the pole # ? I understand the formula but not how they came up with the # of poles. thank you

I just wanted to know if anybody has thoughts on how to approach the engineering economics sample problem and is there a sample problem from NCEES using engineering economics I thought there was one example but I can’t seem to find one in the sample test I just been doing the sample from...

I find the Tom Henry Key Word Index as good aid to get to some of the NEC article quick It not a 100% effective but for a large amount of NEC question it does help me get to the article faster anybody have some opinions on this ? Is anybody else using Tom Henry’s?

I was going over Ncees sample power problem 104 and the thing that becomes a sticking point with me is making sure I use the correct ampacities table from the NEC. So can someone explain to me if my approach to this problem is ok? Now every time I go over this problem I tend to use table...