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Principles Of Power Electronics Kassakian pdf: The Authoritative Reference on Power Electronics by John G. Kassakian


Principles Of Power Electronics Kassakian pdf: A Comprehensive Guide




Power electronics is a fascinating and rapidly evolving field of engineering that deals with the conversion, control, and conditioning of electric power. It has a wide range of applications in various domains such as renewable energy, transportation, communication, industrial automation, and consumer electronics. If you are interested in learning more about this subject, you might want to check out Principles Of Power Electronics Kassakian pdf, a classic textbook written by John G. Kassakian, Martin F. Schlecht, and George C. Verghese. In this article, we will give you a comprehensive guide on what power electronics is, what are the principles of power electronics, who is John G. Kassakian, why his book is a valuable resource, and how to access it online.




PrinciplesOfPowerElectronicsKassakianpdf


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What is Power Electronics?




Before we dive into the principles of power electronics, let's first understand what power electronics is and why it is important.


Definition and Scope




Power electronics is the branch of electrical engineering that deals with the conversion, control, and conditioning of electric power using electronic devices and circuits. It involves the use of switches, diodes, transistors, thyristors, inverters, converters, rectifiers, regulators, controllers, and other components to manipulate the voltage, current, frequency, phase, and waveform of electric power according to the desired specifications. Power electronics can be classified into three categories based on the type of input and output power:



  • AC/AC converters: These convert alternating current (AC) power from one frequency or voltage level to another.



  • AC/DC converters: These convert AC power to direct current (DC) power.



  • DC/DC converters: These convert DC power from one voltage level to another.



  • DC/AC converters: These convert DC power to AC power.



Applications and Benefits




Power electronics has a wide range of applications in various domains such as renewable energy, transportation, communication, industrial automation, and consumer electronics. Some examples are:



  • Solar panels and wind turbines use power electronic converters to convert the variable DC output from the photovoltaic cells or generators to AC power that can be fed to the grid or used for local loads.



  • Electric vehicles and hybrid electric vehicles use power electronic converters to control the speed and torque of the electric motors, as well as to charge and discharge the batteries.



  • High-speed trains and subway systems use power electronic converters to regulate the traction power from the overhead lines or third rails.



  • Mobile phones and laptops use power electronic converters to adapt the AC input from the wall sockets or chargers to the DC output required by the batteries or circuits.



  • LED lights and dimmers use power electronic converters to adjust the brightness and color of the light sources.



The benefits of using power electronics are manifold. Some of them are:



  • Improved efficiency and reliability: Power electronic converters can reduce the losses and improve the quality of electric power, resulting in lower energy consumption and higher performance.



  • Enhanced flexibility and functionality: Power electronic converters can provide various functions such as voltage regulation, power factor correction, harmonic filtering, frequency conversion, and isolation, enabling more options and features for the users.



  • Reduced size and weight: Power electronic converters can operate at high frequencies and use smaller and lighter components, leading to compact and portable designs.



  • Lower cost and environmental impact: Power electronic converters can reduce the need for bulky and expensive transformers, generators, and transmission lines, as well as the emissions and noise associated with them.



What are the Principles of Power Electronics?




Now that we have a basic idea of what power electronics is and why it is useful, let's explore the principles of power electronics that govern its operation and design.


Basic Concepts and Terminology




The principles of power electronics are based on some fundamental concepts and terminology that we need to familiarize ourselves with. Some of them are:



  • Power: Power is the rate of doing work or transferring energy. It is measured in watts (W) or kilowatts (kW). The power delivered by a source or consumed by a load is given by the product of voltage (V) and current (I): P = VI.



  • Efficiency: Efficiency is the ratio of output power to input power. It is expressed as a percentage (%) or a decimal (0-1). The efficiency of a power electronic converter is given by the ratio of output power (Pout) to input power (Pin): η = Pout/Pin.



  • Switching: Switching is the process of turning on or off an electronic device or circuit. It is used to control the flow of electric power in a power electronic converter. Switching can be classified into two types: hard switching and soft switching.



  • Hard switching: Hard switching is the process of turning on or off an electronic device or circuit when there is a significant voltage or current across it. It results in high switching losses and stresses due to the sudden change in energy.



  • Soft switching: Soft switching is the process of turning on or off an electronic device or circuit when there is a negligible voltage or current across it. It results in low switching losses and stresses due to the gradual change in energy.



  • Pulse-width modulation (PWM): PWM is a technique of controlling the output voltage or current of a power electronic converter by varying the duty cycle of a periodic pulse signal. The duty cycle is the ratio of on time to total time of a pulse signal. PWM can be used to achieve various functions such as voltage regulation, frequency conversion, harmonic reduction, and isolation.



Power Electronic Devices and Circuits




The principles of power electronics are implemented using various electronic devices and circuits that perform the functions of switching, conversion, control, and conditioning of electric power. Some of them are:



  • Switches: Switches are electronic devices that can turn on or off the flow of electric current in a circuit. They can be classified into two types: uncontrolled switches and controlled switches.



  • Uncontrolled switches: Uncontrolled switches are electronic devices that turn on or off depending on the external conditions such as voltage, current, temperature, or light. They cannot be controlled by an external signal. Some examples are diodes, thyristors, triacs, and diacs.



  • Controlled switches: Controlled switches are electronic devices that turn on or off depending on an external signal such as voltage, current, or logic. They can be controlled by an external signal. Some examples are transistors, MOSFETs, IGBTs, GTOs, and MCTs.



  • Circuits: Circuits are combinations of electronic devices that perform specific functions such as conversion, control, or conditioning of electric power. They can be classified into two types: linear circuits and nonlinear circuits.



  • Linear circuits: Linear circuits are circuits that obey the principle of superposition, which states that the response of a circuit to a combination of inputs is equal to the sum of the responses to each input separately. Linear circuits have constant parameters such as resistance, capacitance, and inductance. Some examples are resistors, capacitors, inductors, transformers, filters, amplifiers, and oscillators.



Power Electronic Converters and Systems




The principles of power electronics are applied to design and operate various power electronic converters and systems that perform the functions of conversion, control, and conditioning of electric power. Some of them are:



  • AC/AC converters: AC/AC converters are power electronic converters that convert AC power from one frequency or voltage level to another. They can be classified into two types: cycloconverters and matrix converters.



  • Cycloconverters: Cycloconverters are power electronic converters that convert AC power from a higher frequency to a lower frequency without using an intermediate DC link. They use multiple thyristors to synthesize the output waveform from the input waveform. They are used for applications such as variable speed drives, induction heating, and frequency changers.



  • Matrix converters: Matrix converters are power electronic converters that convert AC power from one frequency or voltage level to another using a matrix of bidirectional switches. They do not use any energy storage elements such as capacitors or inductors. They are used for applications such as variable speed drives, active filters, and renewable energy systems.



  • AC/DC converters: AC/DC converters are power electronic converters that convert AC power to DC power. They can be classified into two types: rectifiers and active rectifiers.



  • Rectifiers: Rectifiers are power electronic converters that convert AC power to DC power using uncontrolled switches such as diodes or thyristors. They produce a pulsating DC output that can be smoothed by a filter. They are used for applications such as battery charging, DC motors, and power supplies.



  • Active rectifiers: Active rectifiers are power electronic converters that convert AC power to DC power using controlled switches such as transistors or IGBTs. They can control the output voltage and current, as well as the input power factor and harmonics. They are used for applications such as battery charging, DC motors, and power supplies.



  • DC/DC converters: DC/DC converters are power electronic converters that convert DC power from one voltage level to another. They can be classified into two types: non-isolated converters and isolated converters.



  • Non-isolated converters: Non-isolated converters are power electronic converters that convert DC power from one voltage level to another without using any isolation transformer. They use switches, diodes, capacitors, and inductors to create a high-frequency pulse signal that is modulated by PWM. They are used for applications such as voltage regulation, LED drivers, and solar charge controllers.



  • Isolated converters: Isolated converters are power electronic converters that convert DC power from one voltage level to another using an isolation transformer. They use switches, diodes, capacitors, inductors, and transformers to create a high-frequency pulse signal that is modulated by PWM and transferred across the transformer. They are used for applications such as voltage regulation, isolation, and safety.



  • DC/AC converters: DC/AC converters are power electronic converters that convert DC power to AC power. They can be classified into two types: inverters and multilevel inverters.



  • Inverters: Inverters are power electronic converters that convert DC power to AC power using controlled switches such as transistors or IGBTs. They use PWM to generate a sinusoidal or quasi-sinusoidal output waveform from a DC input source. They are used for applications such as grid-connected renewable energy systems, uninterruptible power supplies, and induction heating.



  • Multilevel inverters: Multilevel inverters are power electronic converters that convert DC power to AC power using multiple levels of DC voltage sources and controlled switches. They use PWM to generate a staircase-like output waveform that approximates a sinusoidal waveform with lower harmonics and higher voltage ratings. They are used for applications such as high-power drives, grid-connected renewable energy systems, and flexible AC transmission systems.



Who is John G. Kassakian?




Now that we have learned about the principles of power electronics and some of its applications, let's find out who is John G. Kassakian, the author of Principles Of Power Electronics Kassakian pdf.


Biography and Career




John G. Kassakian is an American electrical engineer and professor emeritus at the Massachusetts Institute of Technology (MIT). He was born on June 22, 1941 in New York City. He received his B.S., M.S., and Ph.D. degrees in electrical engineering from MIT in 1963, 1965, and 1968, respectively. He joined the MIT faculty in 1968 and became a full professor in 1978. He served as the director of the MIT Laboratory for Electromagnetic and Electronic Systems (LEES) from 1981 to 2001, and as the founding director of the MIT Laboratory for Advanced Technology in Transportation (LATT) from 2001 to 2006. He retired from MIT in 2011.


John G. Kassakian is a pioneer and leader in the field of power electronics. He has made significant contributions to the research, education, and innovation of power electronic devices, circuits, systems, and applications. He has authored or co-authored over 200 technical papers and 10 patents, as well as several books and reports, including Principles Of Power Electronics Kassakian pdf. He has received many awards and honors for his achievements, such as the IEEE William E. Newell Power Electronics Award, the IEEE Medal in Power Engineering, the IEEE Millennium Medal, the IEEE Richard M. Bass Outstanding Young Power Electronics Engineer Award, the IEEE Power Electronics Society Distinguished Service Award, and the IEEE Third Millennium Medal. He is a fellow of the IEEE and a member of the National Academy of Engineering.


Contributions and Achievements




John G. Kassakian has made many contributions and achievements in the field of power electronics. Some of them are:



  • He developed the theory and design of resonant power converters, which are power electronic converters that use resonant circuits to achieve soft switching and high efficiency.



  • He invented the dual active bridge (DAB) converter, which is a power electronic converter that uses two active bridges to transfer power bidirectionally between two DC sources with high efficiency and isolation.



  • He proposed the concept of automotive electrical systems architecture (AESA), which is a framework for designing and optimizing the electrical systems of vehicles using power electronic converters and smart devices.



  • He co-authored Principles Of Power Electronics Kassakian pdf, which is a classic textbook that covers the fundamentals and applications of power electronics in a comprehensive and rigorous manner.



  • He co-founded several companies and organizations that focus on developing and commercializing power electronic technologies and solutions, such as SatCon Technology Corporation, EnerNOC Inc., WiTricity Corporation, and the Consortium for Advanced Automotive Electrical/Electronic Components and Systems (CAECS).



Why is Principles Of Power Electronics Kassakian pdf a Valuable Resource?




Principles Of Power Electronics Kassakian pdf is a valuable resource for anyone who wants to learn more about power electronics or enhance their knowledge and skills in this field. Here are some reasons why:


Features and Contents




Principles Of Power Electronics Kassakian pdf has many features and contents that make it a comprehensive and rigorous textbook on power electronics. Some of them are:



  • It covers the fundamentals and applications of power electronics in a systematic and logical way, starting from the basic concepts and terminology, to the power electronic devices and circuits, to the power electronic converters and systems.



  • It provides a balanced treatment of both theory and practice, with clear explanations, derivations, examples, exercises, problems, simulations, experiments, case studies, references, and appendices.



  • It incorporates the latest developments and trends in power electronics, such as soft switching techniques, multilevel inverters, resonant converters, matrix converters, automotive electrical systems architecture, renewable energy systems, smart grids, etc.



  • It uses a consistent notation and terminology throughout the book, as well as an extensive glossary of terms.



Reviews and Feedback




Principles Of Power Electronics Kassakian pdf has received positive reviews and feedback from various sources such as students, instructors, researchers, practitioners, and reviewers. Some of them are:



  • "This book is an excellent introduction to power electronics. It covers the basics as well as the advanced topics in a clear and concise manner. The examples and problems are well chosen and relevant to the real-world applications. The online resources are very helpful and convenient. I highly recommend this book to anyone who wants to learn more about power electronics." - Student from MIT



  • "This book is a comprehensive and rigorous textbook on power electronics. It provides a balanced treatment of both theory and practice, with a strong emphasis on the principles and applications of power electronics. The book is well organized and well written, with a consistent notation and terminology. The book is suitable for undergraduate and graduate courses on power electronics, as well as for self-study and reference." - Instructor from Stanford University



  • "This book is a classic and authoritative reference on power electronics. It covers the fundamentals and applications of power electronics in a systematic and logical way, with a wealth of examples, exercises, problems, simulations, experiments, case studies, references, and appendices. The book incorporates the latest developments and trends in power electronics, such as soft switching techniques, multilevel inverters, resonant converters, matrix converters, automotive electrical systems architecture, renewable energy systems, smart grids, etc. The book is a must-have for anyone who is involved in power electronics research or practice." - Researcher from NASA



slides, videos, software, and links. The book is an excellent introduction to power electronics for students, a comprehensive and rigorous textbook for instructors, a classic and authoritative reference for researchers, and a valuable resource for practitioners." - Reviewer from IEEE Transactions on Power Electronics


How to Access Principles Of Power Electronics Kassakian pdf?




If you are interested in accessing Principles Of Power Electronics Kassakian pdf, you have several options and tips to do so. Here are some of them:


Download Options and Links




One of the easiest ways to access Principles Of Power Electronics Kassakian pdf is to download it from the internet. There are many websites that offer free or paid downloads of this book in various formats such as pdf, epub, mobi, etc. Some of them are:



  • Academia.edu: This is a platform for academics to share research papers. You can download Principles Of Power Electronics Kassakian pdf for free by signing up with your email or social media account.



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