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Paper title: LOW PEAK CURRENT CLASS E RESONANT FULL-WAVE LOW DV/DT RECTIFIER DRIVEN BY A VOLTAGE GENERATOR

Author(s): ŞERBAN BĪRCĂ GĂLĂŢEANU,

Abstract:

Abstract - Full-wave rectifiers allow to halve the diode peak voltages (or currents), but these values may still be high at duty factor values far from 0.5. A new class E resonant full-wave rectifier is proposed and analyzed, whose peak diode current is equal to the load current. Diode voltage slopes are ideally zero after switch-off only for duty factors larger than 0.5. The circuit contains two rectifier diodes but a single LC circuit. All major parasitic reactive elements are included in the rectifier topology. Basic parameters of the circuit are derived as functions of the diodes' duty factor. This allows the user to find the optimum component values for a given application. Experimental waveforms and measurements agree with simulations and calculations.

Keywords: Power Electronics, Rectifiers, Class E, Resonant Rectifiers.

Year: 2007 | Tome: 52 | Issue: 3 | Pp.: 331-342

Full text : PDF (322 KB)