PX4006 Modern Rectifiers and Resonant Converters Syllabus:

PX4006 Modern Rectifiers and Resonant Converters Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To inculcate knowledge on harmonics standards.
 To impart knowledge on the design power factor correction rectifiers for UPS applications.
 To familiarize the design resonant converters for SMPS applications.
 To provide knowledge on dynamic analysis of DC to DC Converters.
 To introduce the control techniques for control of resonant converters.

UNIT I POWER SYSTEM HARMONICS & LINE COMMUTATED RECTIFIERS

Average power-RMS value of an AC waveform-Power factor-AC line current harmonic standards IEC 1000-IEEE 519- The Single phase full wave rectifier-Continuous Conduction Mode Discontinuous Conduction Mode-Single phase Rectifier’s behavior for large value of Capacitance – Minimizing THD for small value of Capacitance- Three phase rectifiers- Continuous Conduction Mode-Discontinuous Conduction Mode- Introduction to Harmonic trap filters.

UNIT II PULSE WIDTH MODULATED RECTIFIERS

Properties of Ideal rectifiers-Realization of non-ideal rectifier-Single phase converter system incorporating ideal rectifiers-Modeling losses and efficiency in CCM – high quality rectifiers-Boost rectifier-expression for controller duty cycle-expression for DC load current-solution for converter Efficiency.

UNIT III RESONANT CONVERTERS

Review on Parallel and Series Resonant Switches-Soft Switching- Zero Current Switching – Zero Voltage Switching –Classification of Quasi resonant switches-Zero Current and Zero Voltage Switching of Quasi Resonant Buck converter- Zero Current and Zero Voltage Switching of Quasi Resonant Boost converter: Steady State analysis.

UNIT IV DYNAMIC ANALYSIS OF SWITCHING CONVERTERS

Review of linear system analysis-State Space Averaging-Basic State Space Average Model- State Space Averaged model for Buck Converter, Boost Converter, Buck Boost Converter and Cuk Converter.

UNIT V CONTROL OF PWM RECTIFIRS

Pulse Width Modulation-Voltage Mode PWM Scheme-Current Mode PWM Scheme- Average current control-Current programmed Control- Hysteresis control- Nonlinear carrier control –Design of Controllers: PI Controller, Variable Structure Controller for source current shaping of PWM rectifiers.

TOTAL : 45 PERIODS

OUTCOMES:

CO1: To understand the standards for supply current harmonics and its significance.
CO2: To design power factor correction rectifiers for UPS applications.
CO3: To 35nalyse and design the resonant converters.
CO4: To derive the state space model of basic and derived DC-DC converters.
CO5: To design an appropriate controller for PWM rectifiers.

REFERENCES:

1. John G. Kassakian, Martin F. Schlecht, George C. Verghese, “Principles of Power Electronics”, Pearson, India, New Delhi, 2010
2. Philip T Krein, “ Elements of Power Electronics”, Oxford University Press,1998
3.Ned Mohan, “Power Electronics: A first course”, John Wiley,2011
4.IssaBatarseh, Ahmad Harb, “Power Electronics- Circuit Analysis and Design, Second edition,2018