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Problem 1 The Buck converter below delivers power to a voltage source through an inductor L = 0.2 mH. Assume the average output current I, = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, V., equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current

Problem 1 The Buck converter below delivers power to a voltage source through an inductor L = 0.2 mH. Assume the average output current I, = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, V., equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Problem 1 The Buck converter below delivers power to a voltage source through an inductor La = 0.2 mH. Assume the average output current I₁ = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, Vo, equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current (d) Sketch the output current, i(t), and the de current, i(t). (e) The load on the output is reduced. Assume the output voltage is still 200 V. Calculate I. when the converter is on the boundary between continuous and discontinuous mode. ia + Va + Voi La Fig. 1 Vo-V₂ +
Transcribed Image Text:Problem 1 The Buck converter below delivers power to a voltage source through an inductor La = 0.2 mH. Assume the average output current I₁ = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, Vo, equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current (d) Sketch the output current, i(t), and the de current, i(t). (e) The load on the output is reduced. Assume the output voltage is still 200 V. Calculate I. when the converter is on the boundary between continuous and discontinuous mode. ia + Va + Voi La Fig. 1 Vo-V₂ +
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Problem 1 The Buck converter below delivers power to a voltage source through an inductor La = 0.2 mH. Assume the average output current I₁ = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, Vo, equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current (d) Sketch the output current, i(t), and the de current, i(t). (e) The load on the output is reduced. Assume the output voltage is still 200 V. Calculate I. when the converter is on the boundary between continuous and discontinuous mode. ia + Va + Voi La Fig. 1 Vo-V₂ +
Transcribed Image Text:Problem 1 The Buck converter below delivers power to a voltage source through an inductor La = 0.2 mH. Assume the average output current I₁ = 5 A. Switching frequency f. = 50 kHz. D = 0.8 (a) Assume the output voltage, Vo, equals 200V. Calculate the input voltage, Va. (b) Find the ripple of the output current. (c) Calculate the maximum and the minimum value of the inductor current (d) Sketch the output current, i(t), and the de current, i(t). (e) The load on the output is reduced. Assume the output voltage is still 200 V. Calculate I. when the converter is on the boundary between continuous and discontinuous mode. ia + Va + Voi La Fig. 1 Vo-V₂ +
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