Basic elements of power electronics systems. Power electronics concepts and applications. Converters classification. Power electronics switches and semiconductor devices. DC-DC converters: the choppers concept, buck, boost, and buck-boost converters, and switched mode DC power supplies. Inverters: half-bridge and full-bridge inverters, PWM and SPWM techniques, three phase inverters, and six step inverter. Fourier analysis and total harmonic distortion analysis for inverters. Half-wave and full-wave rectifiers, half-wave rectifier with RL loads, half-wave rectifier with capacitive loads. Controlled half-wave rectifiers. Single-phase and three-phase full-wave rectifiers. Controlled full-wave rectifiers. AC controllers, single-phase AC voltage controllers, three-phase voltage controllers.