6.1 Basic principles 6.2 Some major PWM techniques in DC/AC inverters 6.3 PWM techniques with feedback control 6.4 PWM rectifiers

Supplement Practical Application Issues of Power Semiconductor Devices and d Gate Triggering Control Circuit for Thyristor Rectifiers

The concept of composite converter Composite converter Combination of two or more converters in cascaded connection Indirect ac to ac converters (AC-DC-AC converters) Composite converters ndirect dc to dc converters

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