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sorry the problem is 1.21 already posted

problem 1.22

thank so much you I get it now

Hi I was working this kaplan problem and the only thing I dont understand is how they are calculating the Voltage base thru the transformer winding can anybody explain this better to me ? thank you klapan.pdf

thank you J Dubbs your right I have to keep it in my mind that this is a three phase power equation

Hi Im working problems in Camara Power Sample Exam P.10 and I cannot under why they use the SQRT3 when I dont not see any formula using the SQRT3 can someone explain what Im missing I have attach the problem. I thought theanswer would be 9 mirco farads but i didnt use the SQRT3 I didnt think...

Hi KatyLied did you have a chance to figure out the problems Only if you were able to come up for air of coures LOL!

Thank you KatyLied I always appreciated any information you can give its always very helpful. PS and I like the pic of Shaft that a classic!! :)

I was trying to work out two practice problem from Grainger and Stevenson power system analysis book and I cannot figure out how they can up with their solution for problem 1:15 and 1:22 . If any can help explain how they set up these two problems to solve would be a great help. Especially...

I get it now thank you for your help

Thank you both J-Dubbs and KatyLied I understand exactly what you both are saying but I think the thing that get me confused is when B is next to rotate I get a little confuse becuse it -120 but you really use 240 . Is this because 240 is the postive angle for a negative 120?

I'm have trouble getting my understand down pack of how to use the abc and the acb sequence in a three phase circuit only when it come to having the angles associated with the magnitudes. I have attached the example from Grainger Power System analysis but I just keep getting stuck on the...

I attach the spin diagram and the two question I’m having trouble solving. I'm not to familiar with the ladder logic involved in these two problems but I assume the first problem 3-17 close "Z" when "V" is pushed and that gives me the equation IN = -(IA+IB+IC) But when I solve this problem...

thank you Iwire

I really do appreciate the time you both took to explain to me a good study concept

Thank you both this give me better insight

The power exam only gives you about six minutes to answer each question So your reference material should be quickly accessible to answer the problems. Understanding the question and what exactly the NCEES wants is key to getting correct answers. I guess want I’m trying to say is does anybody...

I'm interested can you add me in ? I'm on eastern time [email protected] thank you Ken

I would like to join if I can

DOES ANYONE KNOW HOW TO SOLVE THIS PROBLEM