Power Electronics

ac chopper ac regulator ac voltage controller anode applications bridge inverter capacitor capacitor voltage chopper conducting thyristor configuration connected current source inverter current waveforms cycloconverter d(wt D₁ D₂ firing angle free-wheeling diode frequency full converter fundamental component gate signal half cycle harmonic i₁ IGBT inductive load inductor input current input voltage LC circuit line voltage maximum mode modulation MOSFET negative operation output current output voltage output voltage wave period phase control phase voltage positive power factor power semiconductor devices pulse width pulse width modulation quadrant reduces resistive load resonant converters RL load rms value S₁ S₂ shown in Fig single-phase sinusoidal snubber circuits source voltage supply voltage switching T₂ three-phase thyratron thyristor T₁ Toff transistor triac triggered turn-off turn-on V₁ V₂ voltage and current voltage drop voltage waveform waveforms wt wt wt Π π