Credits: 3 (3-0-0)
Prerequisites: ELL231 (EE3) / ELL211 (EE1)
Description
Introduction to Power Electronics devices and protection: Thyristor family devices, principle of operation, IGBT operation, principles and ratings. Snubber designs, selection and protection, Firing circuits. AC-DC converters: uncontrolled, semi-controlled, fully controlled and dual converters in single-phase and three-phase configurations, design, phase control, harmonic analysis, firing circuits and their designs. Improved power quality AC-DC converters.
Choppers: Introduction to dc-dc conversion, various topologies, buck, boost, buck-boost converters, High frequency isolated dc-dc converters: design problems, PWM control and operation.
Inverters: Basics of dc to ac conversion, inverter circuit configurations and principle of operation, VSI and CSI, single and three-phase configurations, Square wave and sinusoidal PWM control methods and harmonic control. Design problems.
AC voltage controllers: Introduction to ac to ac conversion, single- phase and three-phase ac voltage controller circuit configurations, applications, advantages, harmonic analysis, control, design problems. Cyclo-converters: single-phase to single-phase, three-phase to single-
phase, three-phase to three-phase and single-phase to three-phase circuit configurations thyristors and triacs.
Prerequisite Tree
flowchart TD
ELL302-1396[ELL302]
ELL302-1396 --- Or1397[Any one of]:::empty
ELL231-1398 --> ELL101-1398[ELL101]
Or1397 -.-> ELL231-1398[ELL231]
ELL211-1399 --> PYL101-1399[PYL101]
ELL211-1399 --> ELL101-1399[ELL101]
Or1397 -.-> ELL211-1399[ELL211]
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