Rectifiers.

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Presentation transcript:

Rectifiers

Rectifier Circuits. Rectifiers convert ac power to dc power Rectifier Circuits * Rectifiers convert ac power to dc power. * Rectifiers form the basis for electronic power suppliers and battery charging circuits. 10.6.1 Half-Wave Rectifier

Diode Characteristics

Battery-Charging Circuit * Battery-Charging Circuit * The current flows only in the direction that charges the battery.

* Half-Wave Rectifier with Smoothing Capacitor

10. 6. 2 Full-Wave Rectifier Circuits 10.6.2 Full-Wave Rectifier Circuits * Center-Tapped Full-Wave Rectifier

* Center-Tapped Full-Wave Rectifier – two half-wave rectifier with out-of-phase source voltages and a common ground. * When upper source supplies “+” voltage to diode A, the lower source supplies “-” voltage to diode B; and vice versa. * We can also smooth the output by using a large capacitance.

Full-Wave Rectifier Circuits * The Diode-Bridge Full-Wave Rectifier:

A,B C,D