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Midterm1-Practice

# Midterm1-Practice - PRACTICE MIDTERM EXAM 1 SPRING 2011 ECE...

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PRACTICE MIDTERM EXAM 1 SPRING 2011 ECE 522 This exam will be closed book and I will hand out an equation sheet . Note this is actually taken from parts of different exams so the total points is somewhat more than 100 points. I left that to indicate this is slightly, but only slightly, longer than a typical exam. 1. Iterative solution to equations (15 points): It is desired to find the solution to the equation below. Assume a starting guess of x= 0.25 p and perform one iteration using the Newton-Raphson method. BE SURE TO SHOW YOUR WORK. 5 = x 3 - 4cos x 2. Power flow solutions – Fast Decoupled Newton-Raphson algorithm (20 points) : For the system below, use the fast decoupled Newton-Raphson algorithm to find the first update for the voltage magnitude and angles at all buses. Assume a flat start. 15 13 j y - = 3. Power flow solutions – Full Newton-Raphson algorithm (20 points) : Repeat problem above using the full Newton-Raphson algorithm. Again, assume a flat start.

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Midterm1-Practice - PRACTICE MIDTERM EXAM 1 SPRING 2011 ECE...

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