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Can anyone provide an explanation for this problem?  I presume it's something to do with the ratio, but what is Vng?  Is this simply asking for what voltage (line to neutral) is necessary, in KV, on the primary to trip? Gotta say, stuff like this is not making me look forward to Friday.

I am working on problem 531 and I personally do not agree with the NCEES answer.  Help! The question is asking for the Var losses in a transmission line during the transfer. I used the equations I found to calculate the active power transmitted, done to simply verify that the system did in...

I purchased the cheaper international edition of the Wildi book and am extremely frustrated with the horrible index.  I was wondering if anybody on the board and who has the US edition can tell me if the index in that copy is useful?  For example, looking at transformers in the int'l edition...