Batterypowered gadgets kids can build by alan bartholomew. Electric motors and drives is intended for non specialist users of electric motors and drives, filling the gap between maths and theory based academic textbooks and the more prosaic handbooks, which provide useful detail but little opportunity for the development of real insight and understanding. Although many of us have learned how a basic motor works, from simple science books and web pages such as this, many of the motors we use everydayin everything from factory machines to electric trainsdont actually work that way at all. I often get questions about electric power that deal with some of the basic concepts of e. They consume no petroleumbased fuel and produce no tailpipe emissions. This book will allow engineers and designers to marry the technologies. Simotics industrial electric motors provide you with the optimum solution for every application. By understanding how a motor works you can learn a lot about magnets. I now realize some logical basic testing and thoughtful deduction will help me to solve the basic motor problems i can expect to see. As this is a grundfos publication, it is only natural that we should pay special attention to motors used for pumps although much of the information contained within these pages.
An electric motor converts electrical energy into physical movement. Pdf basics of electrical engineering a text book for. Dec 14, 2005 electric motors and drives is intended for nonspecialist users of electric motors and drives, filling the gap between theorybased academic textbooks and the more prosaic handbooks, which provide useful detail but little opportunity for the development of real insight and understanding. Electric motors and drives is intended for nonspecialist users of electric motors and drives, filling the gap between maths and theorybased academic textbooks and the more prosaic handbooks, which provide useful detail but little opportunity for the development of real insight and understanding. Stepperonline nema 17 stepper motor bipolar 2a 59ncm 48mm body 4lead w 1m cable and connector compatible with 3d printercnc. This motor book will provide you with a wealth of information about electrical motors, how they work, what they can be used for, and so on. 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 handbook of electric power calculationsprovides detailed stepbystep calculation procedures commonly encountered in electrical engineering.
Basic principle the electric motor operation is based on the following points. Houston, edwin j kennelly, arthur, recent types of dynamoelectric machinery, american technical book company 1897. The rotor is a coil connected to the electric power supply and the stator is a permanent magnet or electromagnet. Feb 20, 20 electric motors and drives is intended for nonspecialist users of electric motors and drives, filling the gap between maths and theorybased academic textbooks and the more prosaic handbooks, which provide useful detail but little opportunity for the development of real insight and understanding.
Ac induction motors how ac motors work explain that stuff. This motor book will provide you with a wealth of information about electrical motors. Electric dc motors direct current motor basics,types and. The module will present a number of different to pics. Step by step guide to design and functional basics of. The book explores all of the widely used modern types of motor and drive, including conventional and brushless d.
If you want to have a quick read on electrical motors. Use a screwdriver to pry open the tabs on the brush pads. But with few exception most three phase motors are made with symmetrical parts so the motor can rotate in either direction. The book starts off with basic concepts and then moves towards controlling dc, induction and synchronous motors. In principle the thermal tests are the same, but the tests are carried out. An electric motor is an electrical machine that converts electrical energy into mechanical. The scooter has a 3,600 watt electric motor with 80nm torque that provides exceptionally fast acceleration. Basics of dc motors for electrical engineers beginners. There are many good answers, i will try to keep up with them. Fundamentals, types and applications by austin hughes and bill drury, newnes elsevier, 2019. Large ac motors used in things like factory machines work in a slightly different way. Many of the control circuits that are covered are standard control circuits used in many differ ent applications. Get greater flexibility, reliability, and reduced energy consumption from household appliances to automobiles.
Fundamentals of electricity welcome to module 2, fundamentals of electric ity. Dependable if chosen properly they give little trouble. Aug 12, 2015 fitzgerald kingsley is the go to book for machines. On some motors, there may be as many as 1216 tabs in total.
Basic construction and operating principle like most motors, an ac induction motor has a fixed outer portion, called the stator and a rotor that spins. Induction motors are covered in chapters 5, 6, and 7. The concept of electricity is both familiar and mysterious. Electric motors are key components of many consumer products and industrial. Wedge the tip of a flatblade screwdriver underneath the thin metal tabs, then pull up gently on the handle to lift them enough to loosen the coiled wire. A currentcarrying conductor generates a magnetic field, when this is then placed in an external magnetic field, it will encounter a force proportional to the current in the conductor and to the strength of the external magnetic field. Without electric motors, we would not have power tools, household appliances, or even cars. The book explores all of the widelyused modern types. There are no standards for these values, and they do not reflect the motor s basic. Or call 18005452522 and be sure to mention 92839 when ordering this book. Each circuit can have several variations and optional devices in addition to. Basic electric motors hardcover september 1, 1991 see all 2 formats and editions hide other formats and editions. Easa is the leader in the electric motor, pump, and apparatus repair, service and sales industry. This application note discusses the basics of an ac induction motor.
Motion control is implemented with three major prime movers. In principle, any electric motor can also be used as an alternator. Backed by 150 years of experience, simotics motors are unrivaled when it comes to reliability, ruggedness, compactness, efficiency, and performance. Basics of electric motors for beginners instrumentation and. How to choose an electric motor introduction and basics.
At least one of the two magnetic field is generated by a solenoid carrying a current. The book is comprised of nine chapters that cover several aspects and types of motor and drive systems. Basics of the electric servomotor and drive part 1. I want to selflearn the basics of electric machines,motors. In an electric motor, the operation is dependent upon simple electromagnetism. The kv is only a basic rpm range that the manufacturer gives their motors. Fitzgerald kingsley is the go to book for machines. Nutone 87546000 bunit motor assembly for 769rft, 769rf and v769rf ventilation fans. Get familiar with all the different common motor types from induction machines, stepper motors to bldc and switched reluctance motors. But before we delve into detailed explanations of the world of electrical motors, we should perhaps spare a brief thought for the purpose of these motors. Discover book depositorys huge selection of electric motors books. Suffice it to say that two of the tiny particles that make up atoms protons and electrons are the bearers of electric charge. Lets start with three very basic concepts of electricity. In order to understand even the simplest concepts of electronics, you must first understand what electricity is.
They receive electricity by plugging into the grid and store it in batteries. Single phase motors singlephase dualvoltage motors singlephase dualvoltage motors comprise two main windings, a starting winding, and a run capacitor. This book is written for those who wants to understand the underlying principle intuitively. This free reference book covers all the basics you need to know about electric motors. Grundfos motor book 26 grundfos motor book singlephase dualvoltage motors 2.
Basics of electrical engineering a text book for first year b tech students of engineering all specializations book july 2016 with 125,432 reads how we measure reads. Chapter 1 discusses electric motors, and chapter 2 deals with power electronic converters for motor. I want to selflearn the basics of electric machines. Motor direction one critical task must performed prior to installing a motor is determining the motors rotational direction. Aevs all electric vehicles are powered by one or more electric motors.
Those who are looking to enter an online or traditional electrical engineering program, or currently enrolled students, can use this post as a handy reference guide for studying the basics of dc and ac electric motors. It is therefore used in starter motors of cars and elevator motors p. After all, the whole purpose of electronics is to get electricity to do useful and interesting things. I will suggest you to read electric machinery fundamentals by stephen chapman. One of the fundamental elements of an electrical engineer is knowing about the different types of electric motors. 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. In your house, almost every mechanical movement that you see around you is caused by an ac alternating current or dc direct current electric motor. 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. An introduction to electrical motors basics course description. Fundamentals, types and applications by austin hughes and bill drury, newnes elsevier, 20. 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 primarily focuses on building your basic knowle dge of nema threephase induction motors, which are part of siemens extensive simotics motor product line. Like its predecessors, the third edition of this book is intended primarily for nonspecialist users and students of electric motors and drives. Try to bend the tabs as little as possible to avoid damaging them.
Chapter 1 electric motorsthe basics abstract nonspecialist readers wishing to learn the essence of how and why motors work will find answers in this chapter. It covers all the basics of electromechanical energy conversion. This article describes ac electrical motor troubleshooting. A dc motor is an electric motor that runs on direct current power.
Imagine a vehicle that is simple and fun like a bicycle, but doesnt make you sweat just looking at it. Most 18 scale motors fall in the 1500 2200 kv range, and are all fourpole. I found this book to be a perfect supplement to the lectures i am attending and i recommend this book to any student who is studying electric motors and the basics of how to. The scooter is available with two lithium battery options for a range of 70 to 150 km. They are widely used in the usa, where the singlephase supply is either 1 x 115 v60 hz or 1 x 230 v60 hz. If a motor is required to rotate in a specific direction,it will have a direction arrow prominently displayed on the frame. I found this book to be a perfect supplement to the lectures i am attending and i recommend this book to any student who is studying electric motors and the basics of how to control them. The stator is a permanent magnet, so the motor is smaller in size. Man out of time by margaret cheney, touchstone, 2011. It bridges the gap between specialist textbooks too analytical for the average user and handbooks full. Fundamentals, types and applications provides information regarding the inner workings of motor and drive system. I have had quite a bit of experience with household wiring over most of my life, but electric motors were still a mystery beyond a little very basic understanding. This book will show you how different types of motors.
Dec 17, 2015 without electric motors, we would not have power tools, household appliances, or even cars. Backed by 150 years of experience, simotics motors are unrivaled when it comes to. The book explores all of the widelyused modern types of motor and drive, including conventional and brushless d. Feb 02, 2015 visit to view the full video and purchase access to our other industrial maintenance courses. Electric motors are used in all sorts of applications. The basics of ac motors powering industry since replacing the steam engine from tiny hysteresis motors that drive electric clocks to huge synchronous motors that develop more than 50,000 hp, the alternating current ac motor has become an indispensable part of everyday life. Basics of dc motors for electrical engineers beginners on photo. The phase relation between the rotor and stator magnetic field i. It also has chapters on ac machines which should be sufficient for an introducto. Fundamentals, types and applications, fifth edition is intended primarily for nonspecialist users or students of electric motors and drives, but many researchers and specialist industrialists have also acknowledged its value in providing a clear understanding of the fundamentals.
Electric vehicles just as there are a variety of technologies available in conventional vehicles, plugin electric vehicles also known as electric cars or evs have different capabilities that can accommodate different drivers needs. A useful introduction to electric motors electrical. The handbook contains a wide array of topics and each topic is written by an authority on the subject. Singlephase twophase threephase the presentation will describe the basics of the threephase brushless motor because it is the most common version. You will be introduced to information that will be used in later. We discuss how to quantify selection from electric motors and drives, 5th edition book. Buy a cheap copy of electric motors and control techniques book by irving m. I have read a lot of other electrical motor books, but this one is different. In addition to providing basic information about ac motors. An introduction to electric motors stmicroelectronics. We all know what electricity is, or at least have a rough. Design and function basics of electric cars step by step for engineers when the electric motorgenerator is driven mechanically, it. Evs also known as plugin electric vehicles derive all or part of their power from electricity supplied by the electric grid. May 14, 2019 in simple dc and universal motors, the rotor spins inside the stator.
Single phase magnetic induction motor with exposed rotor and coil after all, motors are always designed to carry out specific tasks. The magnetic field then causes a force with a magnet that causes movement or spinning that runs the motor. Brushless motors overview there are different types of brushless motors. Adaptable can be used anywhere automatic can be controlled with automatic devices. The theoretical principle behind them, coulombs law, was discovered but not. Sep 27, 2012 learning 101 basics of motors and motor controls. The stator magnetic field is generated by a permanent magnet. Fundamentals and applications of lithiumion batteries in electric. Oct 24, 2017 10 videos play all how to choose an electric motor tutorial series groschopp usa how electricity works working principle duration. The 18scale motors reflect this as most are designed for 14 volts. Electric charge refers to a fundamental property of matter that even physicists dont totally understand. The treatment throughout the handbook is practical with very little emphasis on theory. The term electric motorgenerator is used instead of alternator, electric motor and starter.