7.1 Basic concepts on soft-switching 7.2 Classification of soft-switching- techniques 7.3 Typical soft-switching circuits and techniques

PEREC Classification of ac to Ac converters Same frequency Variable variable magnitude AC power frequency AC power AC power AC controllers Frequency converters

3.1基本斩波电路 3.2复合斩波电路和多相多重斩波电路

L Electrically Isolated Package 5500A Pressure Contact Construction T(AV)(per arm) 190A International Standard Footprint 3000v Alumina(non-toxic)Isolation Medium

MP02XXX190 Series Phase Control dual scr. scr/ diode modules es January 2000 version, DS4479-40 Ds44795.0July2002

Patented free-floating silicon technology Low on-state and switching losses Designed for traction, energy and industrial applications Optimum power handling capability Blocking

Fast response(tdon 3 FS, doff <6 Hs) Precise timing(Atdoff 800 ns) Patented free floating silicon technology Optimized low on-state and switching losses Very high EMI immunity Cosmic radiation withstand rating

Oxide Oxide Metallization Contact processing techniques that are similar to those of today's VLSI circuits, although the device geometry, voltage and current ntSource

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Introduction to Insulated Gate Bipolar Transistors Prepared by: Jack Takesuye and scott Deuty Motorola inc INTRODUCTION As power conversion relies more on switched applications The IGBT is, in fact, a spin-off from power MOSFET