Introduction to Power Electronics
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Beschrijving
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About this course: This course introduces the basic concepts of switched-mode converter circuits for controlling and converting electrical power with high efficiency. Principles of converter circuit analysis are introduced, and are developed for finding the steady state voltages, current, and efficiency of power converters. Assignments include simulation of a dc-dc converter, analysis of an inverting dc-dc converter, and modeling and efficiency analysis of an electric vehicle system and of a USB power regulator. After completing this course, you will: ● Understand what a switched-mode converter is and its basic operating principles ● Be able to solve for the steady-state voltages and cu…
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When you enroll for courses through Coursera you get to choose for a paid plan or for a free plan .
- Free plan: No certicification and/or audit only. You will have access to all course materials except graded items.
- Paid plan: Commit to earning a Certificate—it's a trusted, shareable way to showcase your new skills.
About this course: This course introduces the basic concepts of switched-mode converter circuits for controlling and converting electrical power with high efficiency. Principles of converter circuit analysis are introduced, and are developed for finding the steady state voltages, current, and efficiency of power converters. Assignments include simulation of a dc-dc converter, analysis of an inverting dc-dc converter, and modeling and efficiency analysis of an electric vehicle system and of a USB power regulator. After completing this course, you will: ● Understand what a switched-mode converter is and its basic operating principles ● Be able to solve for the steady-state voltages and currents of step-down, step-up, inverting, and other power converters ● Know how to derive an averaged equivalent circuit model and solve for the converter efficiency A basic understanding of electrical circuit analysis is an assumed prerequisite for this course.
Created by: University of Colorado Boulder-
Taught by: Dr. Robert Erickson, Professor
Electrical, Computer, and Energy Engineering
Each course is like an interactive textbook, featuring pre-recorded videos, quizzes and projects.
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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.Syllabus
WEEK 1
Ch 1: Introduction
An introduction to power electronics and to the Coursera specialization
5 videos, 5 readings expand
- Video: Applications and Examples of Power Electronics
- Video: Sect. 1.2 Preliminaries and Grading
- Video: Sect. 1.3 What will be Covered
- Reading: Syllabus
- Reading: Entering formulas in homework assignments
- Reading: If you have problems with the Coursera system
- Video: Sect. 1.1 Technical Introduction
- Video: Sect. 1.4 Simulation of a Buck Converter using LTspice
- Reading: Buck converter simulation files
- Reading: Materials for the LTspice simulation assignment
- Discussion Prompt: Homework Discussion: LTspice simulation of a boost converter
Graded: Homework Assignment #1: Boost Converter Simulation
WEEK 2
Ch 2: Steady-State Converter Analysis
How to find the ideal steady-state voltages and currents of a switched-mode converter
4 videos, 1 reading expand
- Video: Sect. 2.1 Introduction
- Video: Sect. 2.2 Volt-Sec Balance and the Small Ripple Approximation
- Video: Sect. 2.3 Boost Converter Example
- Video: * Sects. 2.4 and 2.5 Additional Topics (optional)
- Reading: Sample problems with solutions
- Discussion Prompt: Forum: Analysis of a buck-boost converter
Graded: Homework Assignment #2: Ch. 2
WEEK 3
Ch 3: Steady-State Equivalent Circuit Modeling, Losses, and Efficiency
Equivalent circuit modeling of switching converters, to predict their power conversion functions and efficiency under steady-state conditions
6 videos, 1 reading expand
- Video: Sect. 3.1 The DC Transformer Model
- Video: Sect. 3.1 Supplement: Review of Circuits with Ideal Transformers
- Video: Sect. 3.2 Inductor Copper Loss
- Video: Sect. 3.3 Construction of Equivalent Circuit Model
- Video: Sect. 3.4 How to Obtain the Input Port of the Model
- Video: Sect. 3.5 Example: Semiconductor Conduction Losses in Boost Converter
- Reading: Sample problems with solutions
- Discussion Prompt: Homework Discussion: Loss modeling
Graded: Homework Assignment #3: Ch. 3
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