EEE464 STATIC POWER CONVERSION II

Course Code:3560464
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:5.0
Department:Electrical and Electronics Engineering
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Assist.Prof.Dr CANRAS BATUNLU
Offered Semester:Spring Semesters.

Course Objectives

Students will be able to comprehend basic dc-dc converter topologies and their operating characteristics. Students will be able to comprehend the need for and the utilization of isolated dc-dc converter topologies and their operating characteristics. Students will be able to comprehend basic dc-ac converter topologies and their operating characteristics, harmonic characteristics.


Course Content

Introduction to forced commutated circuits, analysis, classification of techniques. Centretap inverter. Voltage-fed inverters; waveshaping; PWM, stepped and square-waveforms, voltage regulation, harmonics. Current-fed inverters; analysis, effect of SCR turn-off time on voltage waveform, overlap. DC-DC switching converters; time-ratio control, effect of loading, parameter optimization. Device failure mechanisms. Thermal considerations, maximum ratings, protection of switching elements. Series and parallel operation of switching elements.


Course Learning Outcomes

Determine the basic dc-dc converter topologies, obtain their pwm waveforms and derive their voltage transfer characteristics. Determine continuous and discontinuous operation modes and their conditions. Size filter components for mode of operation.

Determine the basic isolation requirements and derive the isolated converter topologies from the basic topologies and derive their voltage transfer characteristics. Determine continuous and discontinuous operation modes and their conditions. Size the isolation transformers and filter components for given mode of operation.

 

Characterize the inverter output voltage waveforms, calculate the fundamental component and for square wave mode of operation, evaluate the distortion. Characterize the inverter output voltage waveforms for pwm mode of operation, investigate the harmonic spectrum. Extend the concept from single to three-phase applications and evaluate the control and power flow issues.