Slide 1ECE 442 Power Electronics1 Compact Fluorescent Lamps (CFLs) Advantages over incandescent lamps –Energy savings –Longer lifetime Disadvantages over incandescent…

Slide 1 ECE 442 Power Electronics1 Bipolar Junction Transistors (BJT) NPNPNP Slide 2 ECE 442 Power Electronics2 BJT Cross-Sections NPN PNP Emitter Collector Slide 3 ECE 442…

Slide 1 ECE 442 Power Electronics1 Single-Phase Half-Wave Rectifier Slide 2 ECE 442 Power Electronics2 Waveforms Slide 3 ECE 442 Power Electronics3 Single-Phase Half-Wave…

Slide 1 ECE 442 Power Electronics1 Switching-Mode Regulators Convert an unregulated DC voltage into a regulated DC voltage Slide 2 ECE 442 Power Electronics2 Buck Regulator…

Slide 1 ECE 442 Power Electronics1 Controlled-Rectifier Fed Drive ArmatureField Slide 2 ECE 442 Power Electronics2 Chopper-Fed Drive ArmatureField Slide 3 ECE 442 Power Electronics3…

Slide 1 ECE 442 Power Electronics1 Series Resonant Inverter with Bidirectional Switch Slide 2 ECE 442 Power Electronics2 Turn Q 1 ON at t = 0 A “resonant” pulse of current…

Slide 1 ECE 442 Power Electronics1 Class E Resonant Inverter Slide 2 ECE 442 Power Electronics2 Mode 1 Operation – Turn Q1 ON at t = 0 Turn Q1 OFF when v o = 0 volts Slide…