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Cryogenic Engineering and Technologies Principles and Applications of Cryogen-Free Systems

Cryogenic Engineering and Technologies Principles and Applications of Cryogen-Free Systems

Cryogen-free cryogenics is leading a revolution in research and industry by its significant advantages over traditional liquid helium systems. This is the first overview for the field covering the key technologies conceptual design fabrication operation performance and applications of these systems. The contents cover important topics such as the operating principles of 4 K cryocoolers enabling technologies (including vibration reduction) for cryogen-free systems the cryogen-free superconducting magnet and cryogen-free systems that reach millikelvin. It highlights the wide range of applications in materials science quantum physics astronomy and space science medical sciences etc. Key features:• Introduces technologies and practical know-how employed for cryogen-free systems of using 4 K cryocoolers to replace liquid helium• Addresses state-of-the-art of cryogen-free superconducting magnets subkelvin refrigeration systems of the He-3 sorption cooler adiabatic demagnetization refrigerator (ADR) and dilution refrigerators (DR)• Discusses applications of cryogen-free systems in modern instruments and equipment | Cryogenic Engineering and Technologies Principles and Applications of Cryogen-Free Systems

GBP 44.99
1

AC Motor Control and Electrical Vehicle Applications

AC Motor Control and Electrical Vehicle Applications

AC Motor Control and Electrical Vehicle Applications provides a guide to the control of AC motors with a focus on its application to electric vehicles (EV). It describes the rotating magnetic flux based on which dynamic equations are derived. The text not only deals with the induction motor but covers the permanent magnet synchronous motors (PMSM). Additionally the control issues are discussed by taking into account the limitations of voltage and current. The latest edition includes more experimental data and expands upon the topics of inverter pulse width modulation methods loss minimizing control and vehicle dynamics. Various EV motor design issues are also reviewed while comparing typical types of PMSMs. FeaturesConsiders complete dynamic modeling of induction and PMSM in the rotating frame. Provides various field-oriented controls while covering advanced topics in PMSM high speed control loss minimizing control and sensorless control. Covers inverter sensors vehicle dynamics driving cycles etc. not just motor control itself. Offers a comparison between BLDC surface PMSM and interior PMSM. Discusses how the motor produces torque and is controlled based on consistent mathematical treatments.

GBP 48.99
1

Performance of DFIG and PMSG Wind Turbines

Performance of DFIG and PMSG Wind Turbines

Due to environmental pollution and climate change the use of renewable energy sources as an alternative means of power generation is on the rise globally. This is because of their clean nature which makes them ecofriendly with little or no pollution compared to the traditional fossil fuel power-generation power plants. Among the various renewable energy sources wind energy is one of the most widely employed due to its promising technology. Wind turbine technologies could be classified into two groups as follows: Fixed Speed Wind Turbines (FSWTs) and Variable Speed Wind Turbines (VSWTs). There have been tremendous improvements in wind turbine technology over the years from FSWTs to VSWTs as a result of fast innovations and advanced developments in power electronics. Thus the VSWTs have better wind energy capture and conversion efficiencies less acoustic noise and mechanical stress and better power quality in power grids without support from external reactive power compensators due to the stochastic nature of wind energy. The two most widely employed VSWTs in wind farm development are the Doubly Fed Induction Generator (DFIG) and the Permanent Magnet Synchronous Generator (PMSG) wind turbines. In order to solve transient stability intricacies during power grid faults this book proposes different control strategies for the DFIG and PMSG wind turbines. | Performance of DFIG and PMSG Wind Turbines

GBP 74.99
1

Electric and Hybrid Vehicles Design Fundamentals

Electric and Hybrid Vehicles Design Fundamentals

A thoroughly revised third edition of this widely praised bestselling textbook presents a comprehensive systems-level perspective of electric and hybrid vehicles with emphasis on technical aspects mathematical relationships and basic design guidelines. The emerging technologies of electric vehicles require the dedication of current and future engineers so the target audience for the book is the young professionals and students in engineering eager to learn about the area. The book is concise and clear its mathematics are kept to a necessary minimum and it contains a well-balanced set of contents of the complex technology. Engineers of multiple disciplines can either get a broader overview or explore in depth a particular aspect of electric or hybrid vehicles. Additions in the third edition include simulation-based design analysis of electric and hybrid vehicles and their powertrain components particularly that of traction inverters electric machines and motor drives. The technology trends to incorporate wide bandgap power electronics and reduced rare-earth permanent magnet electric machines in the powertrain components have been highlighted. Charging stations are a critical component for the electric vehicle infrastructure and hence a chapter on vehicle interactions with the power grid has been added. Autonomous driving is another emerging technology and a chapter is included describing the autonomous driving system architecture and the hardware and software needs for such systems. The platform has been set in this book for system-level simulations to develop models using various softwares used in academia and industry such as MATLAB®/Simulink PLECS PSIM Motor-CAD and Altair Flux. Examples and simulation results are provided in this edition using these software tools. The third edition is a timely revision and contribution to the field of electric vehicles that has reached recently notable markets in a more and more environmentally sensitive world. | Electric and Hybrid Vehicles Design Fundamentals

GBP 46.99
1

Shipboard Propulsion Power Electronics and Ocean Energy

Shipboard Propulsion Power Electronics and Ocean Energy

Shipboard Propulsion Power Electronics and Ocean Energy fills the need for a comprehensive book that covers modern shipboard propulsion and the power electronics and ocean energy technologies that drive it. With a breadth and depth not found in other books it examines the power electronics systems for ship propulsion and for extracting ocean energy which are mirror images of each other. Comprised of sixteen chapters the book is divided into four parts: Power Electronics and Motor Drives explains basic power electronics converters and variable-frequency drives cooling methods and quality of power Electric Propulsion Technologies focuses on the electric propulsion of ships using recently developed permanent magnet and superconducting motors as well as hybrid propulsion using fuel cell photovoltaic and wind power Renewable Ocean Energy Technologies explores renewable ocean energy from waves marine currents and offshore wind farms System Integration Aspects discusses two aspects—energy storage and system reliability—that are essential for any large-scale power system This timely book evolved from the author’s 30 years of work experience at General Electric Lockheed Martin and Westinghouse Electric and 15 years of teaching at the U. S. Merchant Marine Academy. As a textbook it is ideal for an elective course at marine and naval academies with engineering programs. It is also a valuable reference for commercial and military shipbuilders port operators renewable ocean energy developers classification societies machinery and equipment manufacturers researchers and others interested in modern shipboard power and propulsion systems. The information provided herein does not necessarily represent the view of the U. S. Merchant Marine Academy or the U. S. Department of Transportation. This book is a companion to Shipboard Electrical Power Systems (CRC Press 2011) by the same author.

GBP 74.99
1

Switched Reluctance Motor Drives Fundamentals to Applications

Switched Reluctance Motor Drives Fundamentals to Applications

Electric motors are the largest consumer of electric energy and they play a critical role in the growing market for electrification. Due to their simple construction switched reluctance motors (SRMs) are exceptionally attractive for the industry to respond to the increasing demand for high-efficiency high-performance and low-cost electric motors with a more secure supply chain. Switched Reluctance Motor Drives: Fundamentals to Applications is a comprehensive textbook covering the major aspects of switched reluctance motor drives. It provides an overview of the use of electric motors in the industrial residential commercial and transportation sectors. It explains the theory behind the operation of switched reluctance motors and provides models to analyze them. The book extensively concentrates on the fundamentals and applications of SRM design and covers various design details such as materials mechanical construction and controls. Acoustic noise and vibration is the most well-known issue in switched reluctance motors but this can be reduced significantly through a multidisciplinary approach. These methodologies are explained in two chapters of the book. The first covers the fundamentals of acoustic noise and vibration so readers have the necessary tools to analyze the problems and explains the surface waves spring-mass models forcing harmonics and mode shapes that are utilized in modeling and analyzing acoustic noise and vibration. The second applies these fundamentals to switched reluctance motors and provides examples for determining the sources of any acoustic noise in switched reluctance motors. In the final chapter two SRM designs are presented and proposed as replacements for permanent magnet machines in a residential HVAC application and a hybrid-electric propulsion application. It also shows a high-power and compact converter design for SRM drives. Features:Comprehensive coverage of switched reluctance motor drives from fundamental principles to design operation and applicationsA specific chapter on electric motor usage in industrial residential commercial and transportation applications to address the benefits of switched reluctance machinesTwo chapters address acoustic noise and vibration in detailNumerous illustrations and practical examples on the design modeling and analysis of switched reluctance motor drivesExamples of switched reluctance motor and drive design | Switched Reluctance Motor Drives Fundamentals to Applications

GBP 56.99
1

Small Signal Audio Design

Small Signal Audio Design

Small Signal Audio Design is a highly practical handbook providing an extensive repertoire of circuits that can be assembled to make almost any type of audio system. The publication of Electronics for Vinyl has freed up space for new material (though this book still contains a lot on moving-magnet and moving-coil electronics) and this fully revised third edition offers wholly new chapters on tape machines guitar electronics and variable-gain amplifiers plus much more. A major theme is the use of inexpensive and readily available parts to obtain state-of-the-art performance for noise distortion crosstalk frequency response accuracy and other parameters. Virtually every page reveals nuggets of specialized knowledge not found anywhere else. For example you can improve the offness of a fader simply by adding a resistor in the right place- if you know the right place. Essential points of theory that bear on practical audio performance are lucidly and thoroughly explained with the mathematics kept to an absolute minimum. Self’s background in design for manufacture ensures he keeps a wary eye on the cost of things. This book features the engaging prose style familiar to readers of his other books. You will learn why mercury-filled cables are not a good idea the pitfalls of plating gold on copper and what quotes from Star Trek have to do with PCB design. Learn how to: make amplifiers with apparently impossibly low noise design discrete circuitry that can handle enormous signals with vanishingly low distortion use humble low-gain transistors to make an amplifier with an input impedance of more than 50 megohms transform the performance of low-cost-opamps build active filters with very low noise and distortion make incredibly accurate volume controls make a huge variety of audio equalisers make magnetic cartridge preamplifiers that have noise so low it is limited by basic physics by using load synthesis sum switch clip compress and route audio signals be confident that phase perception is not an issue This expanded and updated third edition contains extensive new material on optimising RIAA equalisation electronics for ribbon microphones summation of noise sources defining system frequency response loudness controls and much more. Including all the crucial theory but with minimal mathematics Small Signal Audio Design is the must-have companion for anyone studying researching or working in audio engineering and audio electronics.

GBP 74.99
1