A passive R-L load is supplied from a step-down DC-DC converter (chopper) from a LiPo battery of 12 V. The chopper operates with switching frequency of 4 kHz. The load resistance and inductance are 10 and 50 mH, respectively, so that the converter operates in the continuous conduction mode. The switching components can be considered as ideal. Determine the required duty cycle and chopper on-time if the chopper output average voltage is 8 V. Calculate the average load current and the power delivered to the load for the case considered in part a). After certain time the battery has discharged, and the battery voltage dropped to 10.2 V. Calculate the new values of duty cycle and chopper on-time needed to maintain the same

A passive R-L load is supplied from a step-down DC-DC converter (chopper) from a LiPo battery of 12 V. The chopper operates with switching frequency of 4 kHz. The load resistance and inductance are 10 and 50 mH, respectively, so that the converter operates in the continuous conduction mode. The switching components can be considered as ideal. Determine the required duty cycle and chopper on-time if the chopper output average voltage is 8 V. Calculate the average load current and the power delivered to the load for the case considered in part a). After certain time the battery has discharged, and the battery voltage dropped to 10.2 V. Calculate the new values of duty cycle and chopper on-time needed to maintain the same

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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