Switching strategies for power electronic converters from Udemy

For a young engineer beginning to work on projects on power electronics, getting started with analysis and simulation of power converters can be challenging as there are not many resources that deal with practical power converters in detail with respect to analysis and simulations. This results in a great deal of frustration at the early stages thereby making progress towards more advanced topics slow and difficult. This lack of interesting and interactive educational materials in turn results in most electrical engineers not choosing power electronics as a specialization which in turn results in a scarcity of engineering talent in industry.

This course is a detailed and interactive course that delves into the depths of power converters alone without any reference to applications. Students will learn how to analyze power converters and their capability through logic and reasoning, and with visual tools such as circuit conduction paths, switching tables and vector diagrams. Switching strategies will be introduced from the very basics by treating them as puzzles, thereby giving students the tools to formulate switching strategies for any converter that they may come across. The course features detailed simulations where students can simulate in parallel and analyze the results. The simulations will include every detail and will also address some of the challenges that may be faced while translating some of the switching strategies into a hardware implementation.

What's inside

Learning objectives

Pulse width modulation (pwm) from the basics
Understanding the capability of a power converter
Co-ordinating gating signals for converters with multiple power devices
Formulating pwm strategies as control code
Simulating power converters and pwm control code with python

Vector representation of power converter output voltages
Space vector pulse width modulation (svpwm) strategies
Implementing svpwm for two-level converters
Performing frequency analysis using fft with python

Pulse width modulation (pwm) from the basics
Understanding the capability of a power converter
Co-ordinating gating signals for converters with multiple power devices
Formulating pwm strategies as control code
Simulating power converters and pwm control code with python
Vector representation of power converter output voltages
Space vector pulse width modulation (svpwm) strategies
Implementing svpwm for two-level converters
Performing frequency analysis using fft with python

Syllabus

Introduction

Bidirectional power converters

Welcome

Target audience

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Uses Python simulations to analyze power converters, which is valuable for engineers looking to validate designs and explore different control strategies in a software environment

Begins with Amplitude Modulation (AM) and Frequency Modulation (FM) before transitioning to Pulse Width Modulation (PWM), which provides a strong foundation for learners with limited prior knowledge

Includes hands-on simulations of various power converter topologies, such as buck, boost, and full-bridge converters, which allows learners to apply theoretical knowledge to practical scenarios

Requires familiarity with Numpy and Matplotlib, which may require additional learning for students without prior experience in Python-based numerical computing and data visualization

Focuses on simulation and analysis, which may not fully prepare students for the practical challenges of hardware implementation without additional hands-on experience

Explores Space Vector Pulse Width Modulation (SVPWM) strategies, which are essential for advanced control of power converters and improving their performance in various applications

Reviews summary

In-depth power electronics switching strategies

According to learners, this course offers a deep dive into power electronic switching strategies, particularly excelling in its coverage of PWM and SVPWM techniques. Many found the detailed explanations and visual tools very effective for understanding complex concepts. The extensive Python simulations are frequently highlighted as a major strength, providing valuable hands-on experience. However, a notable point raised is that the course requires significant prerequisite knowledge, especially in core power electronics, math, and Python, making it potentially challenging for true beginners. While strong on simulation and theory, some reviewers felt there could be more emphasis on practical hardware considerations.

Effective use of diagrams.

"The vector diagrams and conduction paths visualizations were extremely helpful."

"Understanding space vectors became much easier with the visual aids provided."

"The way switching tables were explained made the logic very clear."

Hands-on practice using Python.

"The simulations in Python are a great help to understand the operation of different PWM algorithms."

"I found the Python labs to be incredibly useful for solidifying the concepts discussed in lectures."

"Being able to simulate circuits with Python Power Electronics was a game changer for me."

"The code examples are well-explained and directly applicable."

Deeply covers PWM & SVPWM theory.

"It provides a very solid theoretical foundation on PWM, explaining all the details in a clear and understandable way."

"The course is extremely thorough, it will definitely deepen your knowledge on switching strategies, even if you are already familiar with the topics."

"Excellent introduction to the theory of PWM, especially the transition to space vector."

"I really appreciate the depth of the theoretical concepts presented."

More practical implementation needed.

"While simulations are great, I wish there was more discussion on practical hardware challenges."

"The course is heavily theoretical and simulation-based, less on actual circuit building."

"Could benefit from more real-world application examples or hardware considerations."

Pace and difficulty can be high.

"The course moves at a relatively fast pace, requiring dedicated study time."

"Some sections were quite difficult and required rewatching lectures multiple times."

"The concepts are complex, but the structure helps break them down, though it's still challenging."

Needs solid math and electronics prep.

"This course is not for beginners. You need a strong background in power electronics and linear algebra."

"Make sure you have a solid grasp of Fourier analysis and circuit theory before starting."

"The math and Python skills required are significant; brush up beforehand."

"I struggled a bit with the prerequisites, it's quite advanced material."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Switching strategies for power electronic converters with these activities:

Review Fourier Transform Concepts

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Reviewing Fourier Transform concepts will help you better understand frequency analysis of PWM waveforms, a key component of this course.

Browse courses on Discrete Fourier Transform

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Review the definition of Fourier Transform.
Work through examples of calculating Fourier Transforms.
Practice using FFT libraries in Python.

Power Electronics: Converters, Applications, and Design

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Reviewing this book will provide a solid foundation in power electronics fundamentals, complementing the course's focus on switching strategies.

View Power Electronics on Amazon

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Read the chapters on basic converter topologies.
Study the sections on PWM control techniques.
Work through the example problems and simulations.

Simulate Basic Converter Topologies

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Practicing simulations of basic converter topologies like buck, boost, and buck-boost will solidify your understanding of their operation before diving into more complex switching strategies.

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Set up simulation environment with Python Power Electronics.
Simulate a buck converter with different PWM schemes.
Simulate a boost converter and analyze its behavior.
Simulate a buck-boost converter and compare its performance.

Four other activities

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Modern Power Electronics and AC Drives

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Studying this book will provide a deeper understanding of advanced control strategies like space vector modulation, enhancing your knowledge of switching strategies.

View Power Electronics in Renewable Energy Systems... on Amazon

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Read the chapters on space vector modulation.
Study the examples of AC drive control.
Compare different control techniques and their performance.

Create a PWM Visualization

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Creating a visual representation of different PWM techniques will deepen your understanding of how they work and their impact on converter output.

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Choose a PWM technique (e.g., sine-triangle, space vector).
Write Python code to generate PWM signals.
Create a plot showing the PWM signal and its frequency spectrum.
Write a short explanation of the PWM technique and its characteristics.

Develop a Space Vector PWM Simulator

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Developing a Space Vector PWM (SVPWM) simulator will provide hands-on experience with implementing this advanced control technique.

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Implement SVPWM algorithm in Python.
Simulate a three-phase converter with SVPWM control.
Analyze the output voltage and current waveforms.
Compare the performance of SVPWM with sine-triangle PWM.

Presentation on Switching Strategy Comparison

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Creating a presentation comparing different switching strategies will help you synthesize your knowledge and communicate it effectively.

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Choose several switching strategies to compare (e.g., bipolar PWM, unipolar PWM, SVPWM).
Simulate each strategy and collect performance data.
Create slides summarizing the key features, advantages, and disadvantages of each strategy.
Prepare a presentation and present your findings.

Career center

Learners who complete Switching strategies for power electronic converters will develop knowledge and skills that may be useful to these careers:

Power Electronics Engineer

A Power Electronics Engineer designs, develops, and tests power electronic systems and components. This can include designing efficient power converters, inverters, and other power management circuits. This course is invaluable for anyone looking to become a Power Electronics Engineer, as it provides a detailed look at power converter analysis and simulation. The course particularly helps with the practical aspects of power converter design, including addressing challenges in hardware implementation. Furthermore, the coverage of Pulse Width Modulation and Space Vector Pulse Width Modulation helps build a solid foundation in converter control, which is essential for this role.

See salaries and explore the career path for Power Electronics Engineer

Control Systems Engineer

A Control Systems Engineer designs and implements control systems for various applications, often involving power electronics, robotics, or automation. This course is very useful for aspiring control systems engineers, especially those working with power converters. The course's emphasis on formulating Pulse Width Modulation strategies as control code and simulating power converters with Python directly translates to the practical skills needed in control systems design. The course gives the tools to analyze and design switching strategies for any converter, which is crucial for designing effective control algorithms for power electronic systems.

See salaries and explore the career path for Control Systems Engineer

Motor Drive Engineer

A Motor Drive Engineer designs and develops motor control systems, which often involve power electronic converters. This course will be highly advantageous for those in this role. The course teaches how to analyze power converters, creates PWM strategies and covers Space Vector Pulse Width Modulation, which are crucial for effective motor control. The emphasis on real-world simulations and hardware implementation challenges also prepares the engineer to tackle practical problems in motor drive design.

See salaries and explore the career path for Motor Drive Engineer

Firmware Engineer

A Firmware Engineer develops embedded software that controls hardware devices. This course benefits Firmware Engineers working with power electronics, as it covers the implementation of Pulse Width Modulation strategies as control code. The simulation examples and discussions on translating switching strategies into hardware enable firmware engineers to write more efficient and reliable control algorithms for power converters. The focus on real-world challenges during hardware implementation can make this course an excellent choice.

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Research and Development Engineer

A Research and Development Engineer conducts research and develops new technologies or improvements to existing ones. For Research and Development Engineers working in the field of power electronics, this course is highly relevant. The focus on analyzing power converters using logic and reasoning, along with simulation and the formulation of unique switching strategies can foster innovation. The course can also help researchers translate their ideas into practical implementations.

See salaries and explore the career path for Research and Development Engineer

Hardware Engineer

A Hardware Engineer designs, develops, and tests physical components of computer systems and other devices. This course can be particularly helpful for Hardware Engineers involved in the design and testing of power electronic circuits. The course emphasizes simulation and addresses hardware implementation challenges, allowing hardware engineers to better understand the practical implications of different switching strategies and converter topologies. The detailed simulations and examples of constructing modulation strategies into code are highly relevant to a hardware engineer's responsibilities.

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Power Systems Engineer

A Power Systems Engineer designs, maintains, and improves systems that generate, transmit, and distribute electrical power. The course is relevant for Power Systems Engineers who need a deeper understanding of power converter technology and control. The detailed analysis of switching strategies, along with simulations, provides an understanding of how power converters can be efficiently integrated into power systems. Furthermore, the simulation details and hardware implementation challenges discussed can aid in designing reliable and efficient power systems.

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Electrical Engineer

An Electrical Engineer designs, develops, and tests electrical equipment and systems. This course may be helpful for Electrical Engineers who want to specialize in power electronics or need a deeper understanding of power converter operation. With a focus on analysis, simulation, and switching strategies, the course enables electrical engineers to tackle complex power electronics challenges effectively. The detailed simulations and practical insights from the course can considerably enhance an electrical engineer's competence in power electronics.

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Application Engineer

An Application Engineer provides technical support and expertise to customers using a company's products. The course provides valuable knowledge for Application Engineers who support power electronic converter products. The detailed analysis, simulation, and practical insights of the course enables these engineers to better understand the functionalities of converters and address customer inquiries effectively. The ability to formulate switching strategies and simulate power converters is an important part of this.

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Renewable Energy Engineer

A Renewable Energy Engineer designs and develops renewable energy systems, such as solar and wind power. Given that many renewable energy systems rely on power electronic converters to interface with the grid, this course may be beneficial. The course's coverage of Pulse Width Modulation and Space Vector Pulse Width Modulation can help Renewable Energy Engineers optimize the performance and efficiency of power converters in renewable energy applications. The course enables design and analysis of switching strategies for any converter that they may come across.

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Test Engineer

A Test Engineer designs and implements tests to ensure that products meet required specifications. The course helps Test Engineers working with power electronic converters develop more effective test plans. The course focuses on understanding power converter operation, Pulse Width Modulation strategies, and simulation, which will enable the test engineer to identify potential failure modes and design comprehensive tests. The ability to analyze converter voltages will be useful.

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Robotics Engineer

A Robotics Engineer designs, builds, and tests robots and robotic systems. This course may be useful for Robotics Engineers who work on robots that use power electronic converters for motor control or power management. The learning objectives of this course, such as Pulse Width Modulation and Space Vector Pulse Width Modulation, can significantly help in designing efficient control systems for robotic applications. Also, the ability to simulate converter behavior using visual tools may also be useful.

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Aerospace Engineer

Aerospace Engineers design, develop, and test aircraft, spacecraft, and related systems. Power electronics plays a crucial role in various aerospace applications, such as power distribution and motor control. Aerospace engineers may find this course interesting. This course covers power converters in detail with respect to analysis and simulations. Also, the ability to simulate converter behavior using visual tools may also be useful.

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Automotive Engineer

An Automotive Engineer designs, develops, and tests vehicles and their components. The course may be useful for Automotive Engineers working on electric vehicles (EVs) and hybrid electric vehicles (HEVs), where power electronic converters are essential for battery charging, motor control, and other functions. The course is a detailed and interactive course that delves into the depths of power converters alone without any reference to applications. This may be valuable to Automotive Engineers.

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Systems Engineer

A Systems Engineer focuses on the overall design and integration of complex systems. This course may be of use to Systems Engineers that are responsible for the design, development, and integration of power electronic systems. The course teaches simulation of power converters to create simulations in parallel and analyze the results. This would prove useful since the simulations include every detail and address the challenges translating switching strategies into hardware implementation.

See salaries and explore the career path for Systems Engineer

Switching strategies for power electronic converters

What's inside

Learning objectives

Syllabus

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Reviews summary

In-depth power electronics switching strategies

Activities

Career center

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