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Single-phase half and fully controlled, Three phase half and fully controlled bridges : Circuit diagram, Operation and waveforms for resistive and level highly inductive loads for above circuits. An analysis of output voltage and supply current for single-phase bridges including the following performance parameters :Average and RMS output voltage, Fourier series expressions for supply current. Derivation of fundamental power factor Displacement power factor , Current distortion factor, Active, Reactive and apparent power.
Switching techniques for obtaining square, Quasi-square and sinusoidal PWM output waveforms. Fourier analysis of quasi-square waveform and harmonic load currents for R and RL loads.
Circuit diagram, Operation and waveforms for three phase voltage source bridge inverters for degree and degree conduction for balanced star resistive load. Circuit diagram, Waveforms and operation output voltage calculation of step down chopper Buck converter , Step up chopper Boost converter and 2-quadrant type C chopper. Circuit diagram, Waveforms, Operation and analysis of single-phase full wave controller with R and RL load.
Study of triac based single phase controller. Circuit diagram, Waveforms and operation of three phase full wave controller with balanced star resistive load.
CHITODE POWER ELECTRONICS PDF
Single Phase Half Controlled ConvertersPhase control technique - Single phase Line commutated converters - Mid point and Bridge connections - Half controlled converters with Resistive, RL loads and RLE load - Derivation of average load voltage and current - Active and reactive power inputs to the converters without and with free wheeling diode - Numerical problems. Single Phase Fully Controllers ConvertersFully controlled converters, Mid point and Bridge connections with Resistive, RL loads and RLE load - Derivation of average load voltage and current - Line commutated inverters - Active and Reactive power inputs to the converters without and with free wheeling diode, Effect of source inductance - Derivation of load voltage and current - Numerical problems. Three Phase Line Commutated ConvertersThree phase converters - Three pulse and six pulse converters - Mid point and bridge connections, Average load voltage with R and RL loads - Effect of source inductance - Dual converters both single phase and three phase - Waveforms - Numerical problems. Waveforms - Firing circuits - Numerical problems - Cyclo converters - Single phase mid point cyclo converters with resistive and inductive load Principle of operation only - Bridge configuration of single phase cyclo converter Principle of operation only - Waveforms. InvertersInverters - Single phase inverter - Basic series inverter - Basic parallel capacitor inverter-Bridge inverter-Waveforms-Simple forced commutation circuits for bridge inverters - McMurray and McMurray Bedford inverters-Voltage control techniques for inverters-Pulse width modulation techniques-Numerical problems.