## PX4151 - Analysis of Power Converters (Syllabus) 2021-regulation Anna University

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PX4151

ANALYSIS OF POWER CONVERTERS

LPTC

3104

OBJECTIVES:
• To provide the mathematical fundamentals necessary for deep understanding of power converter operating modes.
• To introduce the electrical circuit concepts behind the different working modes of power converters so as to enable deep understanding of their operation.
• To impart required skills to formulate and design inverters for generic load and for machine loads.
• To equip with required skills to derive the criteria for the design of power converters starting from basic fundamentals.
• To inculcate knowledge to perform analysis and comprehend the various operating modes of different configurations of power converters.

UNIT I

SINGLE PHASE AC-DC CONVERTER

12

Static Characteristics of power diode, SCR and GTO, half controlled and fully controlled converters with R-L, R-L-E loads and freewheeling diodes – continuous and discontinuous modes of operation - inverter operation and its limit –Sequence control of converters – performance parameters – effect of source impedance and overlap-reactive power and power balance in converter circuit.

UNIT II

THREE PHASE AC-DC CONVERTER

12

Half controlled and fully controlled converters with R, R-L, R-L-E loads and freewheeling diodes – inverter operation and its limit – performance parameters – effect of source impedance and overlap - 12 pulse converter –Applications - Excitation system, DC drive system.

UNIT III

SINGLE PHASE INVERTERS

12

Introduction to self-commutated switches : MOSFET and IGBT - Principle of operation of half and full bridge inverters – Performance parameters – Voltage control of single phase inverters using various PWM techniques – various harmonic elimination techniques – Design of UPS - VSR operation

UNIT IV

THREE PHASE INVERTERS

12

180 degree and 120 degree conduction mode inverters with star and delta connected loads – voltage control of three phase inverters: single, multi pulse, sinusoidal, space vector modulation techniques – VSR operation-Application – Induction heating, AC drive system – Current source inverters.

UNIT V

MODERN INVERTERS

12

Multilevel concept – diode clamped – flying capacitor – cascaded type multilevel inverters - Comparison of multilevel inverters - application of multilevel inverters – PWM techniques for MLI – Single phase &Three phase Impedance source inverters – Filters.

TOTAL : 60 PERIODS

OUTCOMES: After completing the above course, students will be able to
CO1 : Acquire and apply knowledge of mathematics in power converter analysis
CO2: Model, analyze and understand power electronic systems and equipments.
CO3 :Formulate, design and simulate phase controlled rectifiers for generic load and for machine loads
CO4 : Design and simulate switched mode inverters for generic load and for machine loads CO5 : Select device and calculate performance parameters of power converters under various operating modes

REFERENCES:
1. Rashid M.H., “Power Electronics Circuits, Devices and Applications ", Pearson, fourth Edition, 10th Impression 2021.
2. Jai P. Agrawal, “Power Electronics System Theory and Design”, Pearson Education, First Edition, 2015
3. Bimal.K.Bose “Modern Power Electronics and AC Drives”, Pearson Education, Second Edition, 2003
4. Ned Mohan, T.M.Undeland and W.P.Robbins, “Power Electronics: converters, Application and design”, 3rd edition Wiley, 2007.
5. Philip T. Krein, “Elements of Power Electronics” Indian edition Oxford University Press-2017
6. P.C.Sen, “Modern Power Electronics”, S.Chand Publishing 2005.
7. P.S.Bimbra, “Power Electronics”, Khanna Publishers, Eleventh Edition, 2003
8. Bin Wu, Mehdi Narimani, "High-Power Converters and AC Drives", Wiley, 2nd Edition, 2017.