Question: Question 05 A. As the power electronics design engineer in a power supply manufacturing company, you are asked to design a non-isolated voltage step

Question 05 A. As the power electronics design engineer in a power

Question 05 A. As the power electronics design engineer in a power supply manufacturing company, you are asked to design a non-isolated voltage step down power electronics circuit which converts 24 V dc in to 9 V de. i. What type of power electronics circuit is most suitable for this requirement? Draw mode circuits for the selected power electronics circuit [05 Marks) [15 Marks) iii. Derive an expression for duty cycle of above circuit and determine the required duty cycle (D) for this application [15 Marks] B. You have a single-phase multilevel inverter with 2 independent sources with source voltage Vdc 50 V cach. Answer following How many voltage levels you can obtain using a 2-source inverter? draw a general output voltage waveform indicating all the voltage levels. Use values of your choice for delay angles a, and a [15 Marks) Determine Fourier coefficients of output voltage through n-1 to 7 if a-15 and a-35 Hint: AV V = (cosa, + cos al [10 Marks] Calculate the Modulation Index (M) [10 Marks]

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