A step up dc/dc converter has input voltage Vs = 9 V, the average output voltage Va = 15 average load current la = 0.8 A. The switching frequency is f = 20 kHz,i L = 0.3 mH and the parallel capacitance is C = 0.44 mF. Which one is the peak current of inductor /2 ? O 1.93 A O 1.63 A 01 73 A
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- An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a voltage drop of 65 volts. What is the capacitance of the capacitor?A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?C'uk Converter Design A C'uk converter has an input of 12 V and is to have an output of - 24 V supplying a 60 W load. Select the duty ratio, the switching frequency, the inductor sizes such that the change in inductor currents is no more than 12 percent of the average inductor current, the output ripple voltage is no more than 1.5 percent, and the ripple voltage across C1 is no more than 3 percent.
- A step down converter is operated with a duty cycle of k = 0.75. The input voltage is Vs = 20V, and the load is: L = 5mH, R = 1502. The minimum inductor current is I₁ = 0.1A. The maximum inductor current is: Select one: a. 1.9 A b. None of these OC. 0.9 A O d. 1.1 A Oe. 2 ADesign a Cuk converter that has an input of 25V and the output of -30V. The load is 60W. Specify the duty ratio, switching frequency, inductor values and capacitor values. The maximum change in inductor currents must be 20 percent of the average currents. The ripple voltage across capacitor C1 must be less than 5 percent, and the output ripple voltage must be less than 1 percent.A step down converter is operated with a duty cycle of k 0.75. The input voltage is V, 20V. and the load is L=5mH, R=152 The minimum inductor current is I 0.1A. The maximum inductor current is %3D %3D Select one: O a. 0.9 A O b. 1.9 A O C. None of these O d. 1.1 A O e.2A
- A step up dc/dc converter has input voltage Vs = 9 V, the average output voltage Va = 15 average load current la = 0.8 A. The switching frequency is f = 20 kHz, inductance is L = 0.3 mH and the parallel capacitance is C = 0.44 mF. Which one is the ripple current of inductor, Al ?Question 4 A boost converter has an input of 5V and an output of 20W at 15V. The minimum inductor current must be no less than 50% of the average. The output voltage ripple must be less than 1%. The switching frequency is 30kHz. Determine the duty ratio, minimum inductor value, and minimum capacitor value. Verify your answers using Matlab, show the inductor current is continues and its minimum is no less than 50% of its average. Furthermore, the output voltage ripple is less than 1%.Design a boost converter to provide an output voltage of 36V from a 24V source. The load is 50W. The voltage ripple factor must be less than 0.5%. Specify the duty cycle ratio, switching frequency, inductor and capacitor size, and power device
- DC to AC 1) Determine the efficiency of the following DC to AC converter (i.e. how much of the energy is in the Ist harmonic?). (on for 10ms (+20V), off for 20ms, on for 10ms (-20V), off for 20ms, repeat) +20V 20ms 20ms 10ms ov 10ms -20V 1) Determine the efficiency of the following DC to AC converter (i.e. how much of the energy is in the Ist harmonic?). +2-V -20V 10ms 20ms Oms 30ms 40msdesign a boost converter to provide an output voltage of 36V from a 24V source. the load is 50W. the voltage ripple factor must be less than 0.5%. specify the duty cycle ratio, switching frequency, inductor an capacitor sizeQues-. Full convertor..