Module 1
DC-DC converter topologies: Buck and boost converters – continuous and discontinuous current modes – buck-boost, C’uk converter – operation – control of dc-dc converters –PWM method – Full-bridge with bipolar and unipolar switching – output voltage equations.
DC-DC converter topologies: Buck and boost converters – continuous and discontinuous current modes – buck-boost, C’uk converter – operation – control of dc-dc converters –PWM method – Full-bridge with bipolar and unipolar switching – output voltage equations.
Module 2
SMPS topologies: Basic block schematic of SMPS – isolated dc-dc topologies – forward and flyback – principles – (circuit and operation only). Push-pull topology – half bridge
Basics of SMPS control methods – voltage-mode and current-mode control (block diagrams and description only).
SMPS topologies: Basic block schematic of SMPS – isolated dc-dc topologies – forward and flyback – principles – (circuit and operation only). Push-pull topology – half bridge
Basics of SMPS control methods – voltage-mode and current-mode control (block diagrams and description only).
Module 3
Resonant Converters: Advantages of resonant converters over PWM converters – Classification – series and parallel resonant converters – half-bridge operation – discontinuous and continuous current modes (basic modes only, no analysis required) Principles of Zero voltage and Zero current switching (ZVS and ZCS switches only – no analysis required)
Resonant Converters: Advantages of resonant converters over PWM converters – Classification – series and parallel resonant converters – half-bridge operation – discontinuous and continuous current modes (basic modes only, no analysis required) Principles of Zero voltage and Zero current switching (ZVS and ZCS switches only – no analysis required)
Module 4
PWM Inverters: Need for PWM techniques – various PWM techniques – principle of sinusoidal PWM – bipolar and unipolar PWM – modulation index – application to single phase bridges – disadvantages of SPWM – brief introduction to other PWM methods – current-mode control schemes (tolerance band control and fixed frequency control – description with block diagram only)
PWM Inverters: Need for PWM techniques – various PWM techniques – principle of sinusoidal PWM – bipolar and unipolar PWM – modulation index – application to single phase bridges – disadvantages of SPWM – brief introduction to other PWM methods – current-mode control schemes (tolerance band control and fixed frequency control – description with block diagram only)
Module 5
Applications: Power factor correction – Actual power factor – Displacement factor and distortion factor – principles of input line current shaping using boost rectifiers. UPS – Different topologies – block schematics.
Electronic ballast – block schematics.
Applications: Power factor correction – Actual power factor – Displacement factor and distortion factor – principles of input line current shaping using boost rectifiers. UPS – Different topologies – block schematics.
Electronic ballast – block schematics.
References
Power Electronics: Converters, Applications and Design – Mohan, Undeland and Robbins, John Wiley and Sons, 2nd ed.
Power Electronic Systems: Theory and Design – Jai P. Agrawal , Pearson Education Asia, LPE
Modern Power Electronics – P.C Sen, Wheeler Publ.
Power Electronic Systems: Theory and Design – Jai P. Agrawal , Pearson Education Asia, LPE
Modern Power Electronics – P.C Sen, Wheeler Publ.