Quiz_5s - Assume: 1) All data is in p.u. 2) Bus 1 to be a...

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The Ohio State University Department of Electrical and Computer Engineering ECE 740  Autumn 2007 Quiz # 5: Solution Name (print) ____________________________________________                                          Notice:  There is one problem on the following pages.   Please read the problem carefully. Draw diagrams wherever necessary and show all the steps.  “No aid is given, received or observed”            Signature_____________ 1
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 Grade_____________ Problem # 1: (10 points) Consider the following power system – 
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Unformatted text preview: Assume: 1) All data is in p.u. 2) Bus 1 to be a swing bus : V 1 = 1 p.u. 3) Scheduled Power at Bus 2 is 2.5 p.u. 4) Scheduled load at Bus 3 is 1.8 p.u. 5) Scheduled load at Bus 4 is 1.2 p.u. 6) V 2 = 1 p.u., V 3 = 1 p.u. , V 4 = 1 p.u. Compute: A) The Jacobian matrix elements J 11 , J 14 , J 24 B) Mismatch at bus 1 Solution: A) 2 Using Taylors series expansion, power mismatch vector can be formulated as: matrix of the system can be given as: Also, for purely resistive network, Here, 3 B) Mismatch at Bus 1 = 0 4...
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Quiz_5s - Assume: 1) All data is in p.u. 2) Bus 1 to be a...

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