This book, therefore, targets the large body of workers engineers and students reasonably versed in engineering concepts who feel the need for practical insights relating to electric motors. A synchronous electric motor is an ac motor in which, at steady state, the rotation of the shaft is synchronized handbook of small electric motors, mcgrawhill 2001 isbn 007072332x, chapter 12 gerald b. Practical electric motor handbook book download download ebook pdf. An ac motor of this type may be part of a pump or fan or connected to some other form of mechanical equipment such as a winder, conveyor, or mixer. This tutorial will introduce the user to the fundamental electrical and mechanical principles of ac electric induction motor design and application. Picking up where the first edition left off, this book taps into the authors considerable field experience. My original aim was to bridge the gap between specialist textbooks which are pitched at a level too academic for the average user and the more prosaic handbooks, which are full of useful detail but provide. An introduction to electric motors stmicroelectronics.
Design of threaded fasteners threaded fastener locking devices thread selection. Below is a safety symbol table that identifies the safety symbols that appear in this manual and on the motors. Prior to starting his consulting firm in 1993, he worked at a. Electric motor handbook aims to give practical knowledge in a wide range of capacities such as plant design, equipment specification, commissioning, operation and maintenance. The objective of this design guide is to educate design, manufacturing and quality engineers on. The create the future design contest was launched in 2002 by the publishers of nasa tech briefs magazine to help stimulate and reward engineering innovation. Development methods outlook sensors basic principles. This site lists the technical information services useful to electric motor and generator designers, engineers, technicians and educators. A handbook was compiled to help industry identify opportunities for costeffective application of these motors. Covering topics ranging from motor energy and efficiency to computeraided design and equipment selection, this reference assists.
The annual event has attracted more than 8,000 product design ideas from engineers, entrepreneurs, and students worldwide. University of illinois he assisted in the establishment of the smma motor college and has taught pmdc motor design classes he has design experience in ac induction motors. This series of electric motor design lectures covers practical design procedures for three types of electric machines. The treatment throughout the handbook is practical with very little emphasis on theory. It is understood that electric motor design is not simply an objective calculation and.
Electric energy and induction motors the level of prosperity of a community is related to its capability to produce goods and services. Electric motors for machines and mechanisms mits fab lab. For those experienced in engineering design, this is the guide to electric motors. The speed of an ac motor depends on the frequency of the input power and the number of poles for which the motor is wound. Motorvehicle bulbs automotive handbook 7th edition. The book deals with the fundamentals, theory, and design of conventional cars with internal combustion engines ices, electric vehicles evs, hybrid. An electric motor is a device converting electrical energy into. Handbook of small electric motors mcgrawhill handbooks yeadon, william, yeadon, alan on. This design includes motors similar to those of n design. Energyefficient electric motor selection handbook summary substantial reductions in energy and operational costs can be achieved through the use of energyefficient electric motors. The magnet is spun by a 3 phase ac motor with no rotor voltage 4. Scribd is the worlds largest social reading and publishing site.
Handbook of electric motors second edition, revised and expanded edited by hamid a. Threephase induction motors are the most common and frequently encountered machines in industry simple design, rugged, lowprice, easy maintenance wide range of power ratings. This book will allow engineers and designers to marry the technologies they know about with motor technology, and hence to incorporate motors into their products. Motor speed relationship the synchronous speed of an ac motor is the speed of the rotating magnetic field set up by the stator winding synchronous speed rpm 120 x frequency divided by the number of poles. Motor installation and maintenance instructions gei 56128h. In actual practice, however, all motors use automatic starting of some sort. Mechanical energy what is an electric motor an electric motor is a device converting electrical energy into mechanical energy usually a torque. Further information and full design support can be found at. This conversion is usually obtained through the generation of a magnetic field by means of a current flowing into one or more coils. Learn and develop yourself motor engineer electric. Rather than motor design, their chief concerns lie with the selection, system installation, operation and performance evaluation of. Presenting current issues in electric motor design, installation, application, and performance, this second edition serves as the most authoritative and reliable guide to electric motor utilization and assessment in the commercial and industrial sectors. This manual is intended as a guide for electrical engineers and designers hereafter referred as the ae for the planning and design of the electrical power distribution and related systems.
The induction machines design handbook crc press book. Harley and yao duan georgia institute of technology november, 2009. Significant parts of this material have been republished as sections 5. The handbook contains a wide array of topics and each topic is written by an authority on the subject. Motor speci cations usually involve several quantities. In addition to providing basic information about ac motors in general, this course also includes an overview of. The handbook of electric power calculationsprovides detailed stepbystep calculation procedures commonly encountered in electrical engineering. This condition also increases speed, and therefore, friction and windage. Motors, this simple and objective guide was created to help those who. Motor design ltd is delighted to announce the release of motorcad v12 the latest version of our unique software package dedicated to the electromechanical performance of motors and generators and the optimisation of their cooling. For those experienced in engineering design, this is. This book two is a practical guide to the design of electric machines using the speed and motorcad software packages. It will be shown later that one of the fundamental requirements in designing an electric machine is the. In electrical machines this heat represents a loss of energy.
The objective of the project was to design and built a quarter horsepower, brushless, direct current bldc, permanent magnet, three phase electric motor. Motion and temperature heat control are paramount in energy. Traditional design of cage rotor induction motors ronald g. The larger the motor power, the more severe this phenomenon. The output torque of an electrical motor depends on the intensity of the rotor and. Table of contents introduction motor cutaways dc motor 2 ac motor 4. Handbook of small electric motors mcgrawhill handbooks. A complete, definitive source for the design, manufacture, application, and testing of small electric motors less than ten horsepower gives motor design engineers, test technicians, and engineers toptobottom coverage of materials used in motor manufacturing, as well as howto advice on selecting the right design and assembly method includes a full section on motor applications. Massachusetts institute of technology 1 introduction this is a concept paper in response to the foa. Increasing electric motor power density through innovative design will be the focus of a public seminar by dr. The electric motor is a machine capable of converting. Uses soft magnet rotor that is magnetized by the application of current in the stator coils 3.
Electric machine design by by tje miller and da staton. Grundfos motor book 22 grundfos motor book basic types of singlephase induction motors theoretically, a singlephase motor could be started by spinning the motor mechanically and applying power immediately. Engine design, sizing and operation in hybrid electric vehicles mike duoba argonne national laboratory. Frequency greater than rated frequency normally improves power factor but decreases lockedrotor and maximum torque. But producing goods and services is strongly related to the use of energy in an intelligent way. An introduction to electrical motors basics course description. Fundamentals of electric motors and transformers rajib mikail lecturer department of electrical and electronic engineering bangladesh university of engineering and technology dhaka email. This course is intended to prepare the target persons with the ability to understand and recognize different types, components, theory of operation and applications of all electrical motors. Doppelbauer in may at cwieme berlin the worlds largest annual meeting place. Electric motor handbook mcgrawhill education access. Professor noboru kikuchi, chair professor kamal sarabandi. A complete, definitive source for the design, manufacture, application, and testing of small electric motors less than ten horsepower. Types of electric motors electric motors dc motors other motors h ac motors s unt motor separately excited induction motor stepper motor motor brushlessdc motor series motor hysteresis motor permanent magnet dc pmdc synchronous motor reluctance motor compounded motor universal motor.
Engine design, sizing and operation in hybrid electric. The installation of an electric inboard motor system is not rocket science, but should be planned and executed by a boat builder or a experienced person. New electric motor design books usedout of print electric motor design books technical papers motor design tutorials and workshops. The induction machines design handbook, second edition satisfies this need, providing a comprehensive, selfcontained, and uptodate reference on single and threephase induction machines in constant and variable speed applications. In lessefficient electric motors, the amount of power wasted can be reduced by more careful application and improved electric motor design. The alternating current ac electric induction motor has been an industry workhorse for electromechanical conversion for over 100 years. The official website of personal and collective works by robert j. Structural design optimization of electric motors to improve torque performance by jaewook lee a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy mechanical engineering in the university of michigan 2010 doctoral committee. The rotor has salient poles and a cage so that it starts like an induction motor, and runs like a synchronous motor.
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