Test 1_sol

# Test 1_sol - Name EE362L Spring 2008 Test 1 Page:1 Please...

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Name: _________________________________________________ Page:1 EE362L – Spring 2008, Test 1 Please, show all your work on the test sheets. A correct answer without supporting work gets no credit. One sheet of notes is permitted. Write your name in all pages. Do not un- staple. You have 50 minutes to complete the test. Problem 1 (15 points) For the circuit shown below, what duty cycle D is needed to obtain an output voltage of 12 V if V in is 20V? What is the output voltage V DC of the converter box? Note: I L is the average current in the inductor. For extra credit (5 points): Please draw the circuit inside the converter box if there are only switches inside.

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Page:2 EE362L – Spring 2008, Test 1 Problem 2 (25 points) The following figure shows the approximate input current and voltage of a DBR. Please, calculate the input power factor and the current THD. Consider that the input fundamental current equals 1.935 A.
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Test 1_sol - Name EE362L Spring 2008 Test 1 Page:1 Please...

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