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hw1_problem_472_S11

# hw1_problem_472_S11 - Spring 2011 EEE472/591 Power...

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Unformatted text preview: Spring 2011 EEE472/591 Power Electronics &amp;amp; Power Management Raja Ayyanar Homework #1 Due: Thursday 1/27/2011 Problem 1: (25 points) In the above circuits all the components are assumed ideal. The value of inductance is 25 H and the capacitance is 10 F . The switching frequency is 100 kHz and the duty ratio is 0.5. Which of the above circuit(s) result in valid steady-state operation? Justify your answers. Problem 2: (25 points) Referring to the figure below, plot the following waveforms for 0 &amp;lt; t &amp;lt; 10 s, clearly showing all the relevant magnitudes. Assume that the circuit is in steady state. ( ) ( ) ( ) ( ) (i) , (ii) , (iii) , (iv) (v)instantaneous and average power supplied by the source (vi) instantaneous and average power absorbed by the load o o in in v t v t i t i t + + + + (a) (b) (c) (d) + + + + (a) (b) (c) (d) +- o v o i 20 A 0.66 200 d f k H z 5 V in i in V +- o v o i 20 A 0.66 200 d f k H z 5 V in i in V Problem Determin infinite paramete Problem...
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hw1_problem_472_S11 - Spring 2011 EEE472/591 Power...

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