Introduction power semiconductor diodes and transistorsdiode circuits and rectifiersthyristorsthyristor commutation techniquesphase controlled rectifierschoppersinverterac voltage controllerscycloconverters some applications electric drives power factor improvementswitching mode Dc-Dc converters power supplies power electronic controllers for AC transmissionappendix-a Fourier analysisappendix-b Laplace transformsappendix-c objective type questions appendix some useful functions appendix referencesindex.