What you'll learn

Concept of Pulse Width Modulation (PWM)
Simulation of a buck converter
Simulation of a modified buck-boost converter with discrete devices
Topology and operation of a half-bridge module
Simulation of bidirectional buck converter with a half bridge module
Simulation of a bidirectional buck-boost converter with two half-bridge modules
Simulation of a dc-ac converter with a half-bridge module
Topology and operation of a full-bridge module
Bipolar, unipolar and phase-shift PWM strategies
Topology and operation of a three-phase converter
Space vector PWM theory and procedure
Simulation of a three-phase converter with sine-triangle comparison PWM
Simulation of a three-phase converter with space vector PWM

Requirements

Simulating with QSPICE. Students are recommended to take my course "Simulating dc-dc converters with QSPICE".
Basic C programming
Basic electrical engineering and power electronics

Description

Effective implementation of Pulse Width Modulation (PWM) strategies is essential for simulating power electronic converters, particularly in the design of control systems and the analysis of system behavior. This course offers both theoretical insights and hands-on simulation experience in applying PWM strategies to commonly used power converter modules, including the half-bridge, full-bridge, and three-phase modules. Taking a unique approach that distinguishes it from typical power electronics courses, this course focuses on helping students gain a deep understanding of the capabilities and operation of power converter modules. Each power converter module and its corresponding PWM strategy is explored through detailed simulation studies in QSPICE, providing students with a strong foundation in both theory and practical application.The use of QSPICE in this course equips students with a powerful tool for simulating and analyzing the complex behavior of power electronic converters. Unlike traditional analytical methods, QSPICE enables high-fidelity simulations that capture the dynamic operation of circuits under realistic conditions, including switching transients and control loop interactions. By simulating power converters and PWM strategies with QSPICE, students will acquire a valuable skill highly sought after in the power electronics industry. Additionally, the ability to visualize waveforms in QSPICE helps students gain a clear understanding of converter operation, enhancing their ability to analyze performance and troubleshoot real-world power electronics applications. This course, along with future QSPICE-based courses, will prepare students to become simulation experts in emerging areas of power electronics.

Overview

Section 1: Introduction
Lecture 1 Welcome to the course
Lecture 2 Target students of the course
Lecture 3 Course

Requirements

Lecture 4 Tips on completing the course
Section 2: Concept of modulation
Lecture 5 Introduction
Lecture 6 Background from communications
Lecture 7

Overview

of power electronics
Lecture 8 Using PWM in power electronics
Lecture 9 Buck converter - topology and operation
Lecture 10 Simulation of the buck converter - part 1
Lecture 11 Simulation of the buck converter - part 2
Lecture 12 Simulation of the buck converter - part 3
Lecture 13 Simulation of the buck converter - part 4
Lecture 14 Simulation of the buck converter - part 5
Lecture 15 Conclusions
Section 3: Half bridge converter
Lecture 16 Introduction
Lecture 17 Modified buck-boost converter - topology and operation
Lecture 18 Simulating the modified buck-boost converter - part 1
Lecture 19 Simulating the modified buck-boost converter - part 2
Lecture 20 Simulating the modified buck-boost converter - part 3
Lecture 21 Bidirectional buck converter - topology and operation
Lecture 22 Half bridge module or converter leg
Lecture 23 Simulation of bidirectional buck converter - part 1
Lecture 24 Simulation of bidirectional buck converter - part 2
Lecture 25 Simulation of bidirectional buck converter - part 3
Lecture 26 Simulation of bidirectional buck converter - part 4
Lecture 27 Conduction states of the half bridge module
Lecture 28 Bidirectional buck-boost converter - topology and operation
Lecture 29 Bidirectional buck-boost converter simulation - part 1
Lecture 30 Bidirectional buck-boost converter simulation - part 2
Lecture 31 Bidirectional buck-boost converter simulation - part 3
Lecture 32 Half-bridge dc-ac converter
Lecture 33 Simulation of a half-bridge dc-ac converter - part 1
Lecture 34 Simulation of a half-bridge dc-ac converter - part 2
Lecture 35 Conclusions
Section 4: Full-bridge converter
Lecture 36 Introduction
Lecture 37 Full-bridge converter - topology and operation
Lecture 38 Bipolar PWM for the full-bridge converter
Lecture 39 Simulation of full-bridge converter with bipolar PWM - part 1
Lecture 40 Simulation of full-bridge converter with bipolar PWM - part 2
Lecture 41 Additional conduction states of the full-bridge converter
Lecture 42 Expressing the converter output voltage as a vector
Lecture 43 Simulation of full-bridge converter with unipolar PWM
Lecture 44 Simulation of full-bridge converter with phase-shift PWM - part 1
Lecture 45 Simulation of full-bridge converter with phase-shift PWM - part 2
Lecture 46 Simulation of full-bridge converter with phase-shift PWM - part 3
Lecture 47 Simulation of full-bridge converter with phase-shift PWM - part 4
Lecture 48 Conclusions
Section 5: Three-phase converter
Lecture 49 Introduction
Lecture 50

Overview

of three-phase systems
Lecture 51 Topology of a three-phase converter
Lecture 52 Output voltages of the three-phase converter
Lecture 53 Simulation of the three-phase converter with sine-triangle PWM - part 1
Lecture 54 Simulation of the three-phase converter with sine-triangle PWM - part 2
Lecture 55 Simulation of the three-phase converter with sine-triangle PWM - part 3
Lecture 56 Vector representation of the output voltages of the three-phase converter
Lecture 57 Space Vector PWM theory - part 1
Lecture 58 Space Vector PWM theory - part 2
Lecture 59 Space Vector PWM theory - part 3
Lecture 60 Simulating a three-phase converter with Space Vector PWM - part 1
Lecture 61 Simulating a three-phase converter with Space Vector PWM - part 2
Lecture 62 Simulating a three-phase converter with Space Vector PWM - part 3
Lecture 63 Simulating a three-phase converter with Space Vector PWM - part 4
Lecture 64 Simulating a three-phase converter with Space Vector PWM - part 5
Lecture 65 Simulating a three-phase converter with Space Vector PWM - part 6
Lecture 66 Simulating a three-phase converter with Space Vector PWM - part 7
Lecture 67 Simulating a three-phase converter with Space Vector PWM - part 8
Lecture 68 Simulating a three-phase converter with Space Vector PWM - part 9
Lecture 69 Conclusions
Section 6: Conclusions
Lecture 70 Conclusions
Undergraduate and graduate students of electrical engineering,Practising electrical engineers,Power electronics researchers

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