Fundamentals of PWM Dc-to-Dc power conversion

책 소개

Most industrial and consumer electronics are powered from a dc source whose voltage level is fixed in advance.For examples, telecommunication electronics usually receive their input power from a 48V dc source and cellular phones operate with 3 V rechargeable batteries. Meanwhile, circuits inside such equipment require several dc voltages that are different from the voltage level of the input source.Accordingly, each equipment contains specially-engineered circuit blocks capable of changing the input voltage to another dc level, as required by the various internal circuits.The process of changing the voltage level of a dc power source into another value is broadly referred to as the dc-to-dc power conversion. The dc-to-dc power conversion is performed in many different ways, each with a distinctive circuit technique.The most popular scheme is the dc-to-dc power conversion circuit employing the pulsewidth modulation (PWM) technique.The dc-to-dc power conversion based on the PWM technique is called the PWM dc-to-dc power conversion. Circuitries designed for the PWM dc-to-dc power conversion are called PWM dc-to-dc converters.This book is primarily intended to be a textbook for undergraduate and first-year postgraduate students who are beginning to study power electronics focusing on the PWM dc-to-dc power conversion. The book supplements existing textbooks with more dedicated treatments on the PWM dc-to-dc power conversion. The book is also written as a reference book for engineers working in the area of modeling, analysis, and control of PWM dc-to-dc converters.

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