It considers the topics of analogue electronics electric motor control and adjustable speed electrical drives both ac and dc in recent years great changes have taken place in the types of semiconductor devices used as power switches in engineering applications. Abstract offering an introduction to power electronics this text considers the topics of analogue electronics electric motor control and adjustable speed electrical drives both ac and dc up to date in its coverage of this rapidly developing field the book examines such topics as controlled bridge rectifiers and speed control of induction motors by variable voltage variable frequency . Older motor control schemes relied on scalar motor control with power semiconductors scalar control varies a generated sinusoidal waves frequency along with its voltage feedback when used tracked only the coarsest and most rudimentary functions such as motor speed. High performance lighting systems motor controls and a wide range of industrial controls depend on power electronics in the near future we can expect strong growth in automotive applications dc power supplies for communication systems portable applications and high end converters. Alibabacom offers 1145 power electronics and motor control products about 0 of these are thyristors a wide variety of power electronics and motor control options are available to you such as package type media available and supplier type
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