Converter Circuits
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assignment Level : Introductive
chat_bubble_outline Language : English
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Key information

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verified_user Fee-based Certificate
timer 4 hours in total

About the content

This course introduces more advanced concepts of switched-mode converter circuits. Realization of the power semiconductors in inverters or in converters having bidirectional power flow is explained. Power diodes, power MOSFETs, and IGBTs are explained, along with the origins of their switching times. Equivalent circuit models are refined to include the effects of switching loss. The discontinuous conduction mode is described and analyzed. A number of well-known converter circuit topologies are explored, including those with transformer isolation. The homework assignments include a boost converter and an H-bridge inverter used in a grid-interfaced solar inverter system, as well as transformer-isolated forward and flyback converters. After completing this course, you will: ● Understand how to implement the power semiconductor devices in a switching converter ● Understand the origins of the discontinuous conduction mode and be able to solve converters operating in DCM ● Understand the basic dc-dc converter and dc-ac inverter circuits ● Understand how to implement transformer isolation in a dc-dc converter, including the popular forward and flyback converter topologies. Completion of the first course Introduction to Power Electronics is the assumed prerequisite for this course.

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Syllabus

  • Week 1 - Ch 4.1: Switch Realization
    How to implement the switches using transistors and diodes, including applications having bidirectional power flow or ac outputs
  • Week 2 - Ch 4.2: Power Semiconductor Switches
    Basics of power semiconductor switches, including the origins of switching times and switching loss. How to incorporate switching loss into equivalent circuit models. MOSFETs, IGBTs, and gate driver considerations.
  • Week 3 - Ch 5: Discontinuous Conduction Mode
    The discontinuous conduction mode (DCM) arising from unidirectional switch realization. Analysis of mode boundaries and output voltage.
  • Week 4 - Ch 6: Converter Circuits
    Some well-known converter circuits and their origins. How to incorporate transformer isolation into a dc-dc converter. Analysis and equivalent circuit modeling of transformer-isolated converters.
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Instructors

Dr. Robert Erickson
Professor
Electrical, Computer, and Energy Engineering

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Content designer

University of Colorado Boulder
CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies.
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Platform

Coursera

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4.8 /5 Average
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Best review

This course very useful,because I have learned the topology of the electronic circuit ,and I needed to reviewe the knowledge I learned when I solved the quizzes,which

Published on March 3, 2018
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on the March 3, 2018
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This course very useful,because I have learned the topology of the electronic circuit ,and I needed to reviewe the knowledge I learned when I solved the quizzes,which

on the February 7, 2018
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Honestly, the assignments are unnecessarily cumbersome. As an EE student in university, I have learned some contents of power electronics in my own Syllabus, and found this course a good review as well as a source of insights. For a pure enthusiast, I guess this course will be somehow difficult and hard to fully enjoy.

on the October 12, 2017
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This course is really great. The teaching method of Dr. Erickson is always great. The course was delivered in an efficient manner. It clears many of the basic concepts. I would recommend it to anyone interested in Power electronics.

on the September 8, 2017
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Professor is concise and clear. Problems are challenging and what you learn in this course is excellent and directly applicable to real work design work.

on the August 4, 2017
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Absolutely fantastic, I'm learning from a relatively basic level to a level of excellence! My efficiency in learning the course is close to 100%, there are few things that I could not understand. I will use my knowledge acquired in this course to elaborate my final project course in Electronic Engineering. Thank you Erickson! :)