When an engineer measured the outputs of his solar panels, he saw that he obtained a DC voltage varying between 200V and 600V depending on the environmental conditions. This engineer connected this variable voltage from solar panels to the input of a buck-boost type DC-DC converter. Which of the following statements about this situation is false? a) In case the output voltage is desired to be kept constant at 400V, Duty (operation ratio-D) will change between 2/3 and 2/5. b) If the frequency of the switch in the circuit is 10 kHz, the coil value is L-2mH and the output voltage is 400V, if the limit value of the coil current is 5A, the voltage received from the panels (converter input) is 400V. c) None d) If the output voltage is to be kept constant at 300V and the Duty (operating ratio D) is at its maximum, the ratio of the output current to the input current is 2/3. e) If a load of R=10 ohm is connected to the output when the output voltage is desired to be kept constant at 400V, the current to be drawn from the solar panels (input) will be approximately 16 A, the minimum current.

When an engineer measured the outputs of his solar panels, he saw that he obtained a DC voltage varying between 200V and 600V depending on the environmental conditions. This engineer connected this variable voltage from solar panels to the input of a buck-boost type DC-DC converter. Which of the following statements about this situation is false? a) In case the output voltage is desired to be kept constant at 400V, Duty (operation ratio-D) will change between 2/3 and 2/5. b) If the frequency of the switch in the circuit is 10 kHz, the coil value is L-2mH and the output voltage is 400V, if the limit value of the coil current is 5A, the voltage received from the panels (converter input) is 400V. c) None d) If the output voltage is to be kept constant at 300V and the Duty (operating ratio D) is at its maximum, the ratio of the output current to the input current is 2/3. e) If a load of R=10 ohm is connected to the output when the output voltage is desired to be kept constant at 400V, the current to be drawn from the solar panels (input) will be approximately 16 A, the minimum current.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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