A step up converter is operated with a duty cycle of k = 0.75. The input voltage is V,= 20V, and the load is: L=5mH, R= 202. The minimum source current is I = 10A. The maximum inductor current is Select one: O a. None of these O b. 24 A Oc 12 A O d. 22 A O e. 16 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?A buck converter is supplied from a 50V battery source. Given L=400uH, C=100uF, R=20 Ohm, f=20KHz and D=0.4. Calculate: (a) output voltage (b) maximum and minimum inductor current, (c) output voltage ripple
- Please solve this problem in detail A step up DC converter is used to control power flow from a DC votage Vs = 100V to a battery voltage E = 200V. The power transferred to the battery is 20 kw. The current ripple of the inductor is negligible. The duty cycle and the effective load resistance as seen from the input are respectively equal to: Select one: a. None of these b. 0.5, 0.5 Ohms c. 0.33, 0.5 Ohms d. 0.5, 0.33 OhmsDesign a boost converter to provide an output voltage of 36V from a 24 V source. The load is 50 W. The voltage ripple factor must be less than 0.5%. Specify the duty cycle ratio, switching frequency, inductor and capacitor size, and power device.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
- Q.1) Consider a step down converter with a resistive load. It is supplied by a DC power source of magnitude Vs = 160 V. The switching period is 0.25 ms and the duty cycle k is first set to 0.5. The load is resistive with R=10 Ohms. The critical value of L and the critical value of C are equal to: a. 0.625mH and 0.392uF b. 0.625mH and 0.196uF c. 0.312mH and 0.196uF d. None of thesedesign 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 sizeDesign 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.
- Design a flyback converter for an input of 24 V and output of 40 W at 40V. Specify the transformer turns and magnetizing inductance, switching frequency and capacitor to limit the ripple voltage less than 0.5%.I need help with question 1 (e). 1. Design a buck converter and a resistive load operating in CCM mode with the following specifications:(∆V0)/V0= 0.5 %, Vin = 20 V, f =30 kHz, Duty cycle d=0.4, and R =5.33 Ω. Determine(a) the output voltage and current of the buck converter.(b) the Critical(minimum) inductance for CCM mode(c) select L = 600 µH and find the maximum IL,max and the minimum IL,min inductorcurrents.(d) find the capacitor value that corresponds to (∆V0)/V0= 0.5 % for this buck converter(e) redesign the circuit above to achieve an output ripple voltage of 1 % and an inductor current ripple 10 % at the average load current with the same Duty cycle d, frequency, load Resistance,and Vin. Calculate the accepted new L and C.Question 4. Design a C converter by drawing according to the values given below.The C ´uk converter has 24 V input and 36 V output providing 80 W load. In this case, choose Duty ratio, switching frequency, inductor dimensions so that the variation in inductor currents is not more than 5 percent of the average inductor current, output voltage fluctuation is less than 1 percent and voltage fluctuation at C1 is less than 5 percent.