Showing posts with label motors. Show all posts
Showing posts with label motors. Show all posts

3/12/2012

Linear Electric Actuators and Generators Review

Linear Electric Actuators and Generators
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I am doctor candidate,and i`d like toget more information about liner motor

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This book deals with LEAs that convert electric energy into controlled mechanical motion of limited travel and LEGs that transform mechanical energy into electric energy. Examples range from loudspeakers and microphones to magnetically levitated material transfer in ultraclean rooms. Much of the literature on linear actuators and generators covers the principles of operation and performance calculations of these devices.Little has been published on their control or on detailed design methodologies. This book presents the first unified treatment of the subject, including the construction, operation, control, and design of LEAs and LEGs. Chapters describe linear induction, permanent-magnet, linear reluctance, switched reluctance, and linear stepper actuators, as well as various types of linear electric generators.The text is amply illustrated with numerous design examples, and will appeal to graduate students and researchers in electrical, mechanical, and design engineering.

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2/17/2012

Stallcup's Generator, Transformer, Motor and Compressor, 2008 Edition Review

Stallcup's Generator, Transformer, Motor and Compressor, 2008 Edition
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Being an Electrical Apprentice this was a required text, I wasn't totally impressed with the some of the graphics of the book, but then again it is a text book and should expect it to be of that caliber. some of the reading is a bit confusing but that may just be my lack of knowledge on the subject. The chapters in this text average about 8-12 pages which is good considering there is a lot to learn about generators, transformers, motors, and compressors.

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Stallcup s Generator, Transformer, Motor and Compressor, 2008 Edition has been fully revised to bring electrical personnel up-to-code on all types of rotating machinery. The new 2008 Edition expertly explains how to select, operate, construct, and maintain the most common types of rotating machinery correctly and efficiently. Divided into three comprehensive parts, Stallcup s introduces users to the theory, methods, and applications of generators (Part 1), transformers (Part 2), and motors, controllers and compressors (Part 3). This text fully explains how these devises work and which Code rules apply. In keeping with the previous edition, the text features numerous illustrations to enhance comprehension, clarify complex concepts, and offer hands-on assistance for easier compliance with today s requirements.

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2/04/2012

Permanent Magnet Motor Technology Revised (Electrical and Computer Engineering) Review

Permanent Magnet Motor Technology Revised (Electrical and Computer Engineering)
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I couldn't disagree with the previous reviewer more strongly. This book is awful: a poorly-organized mishmash of topics generally capitulated via equation with little depth and no explanation offered.
The index is a joke: on one recent occasion I was disappointed to find that there is not a single heading under the word "thermal". Surely a book on PM motors would have at least one passage talking about some thermal property that would merit inclusion?
Overall, I have become accustomed to being disappointed when looking to this book for help. Anyone interested would be better advised to get Hanselman's excellent Brushless Permanent Magnet Motor Design instead.

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Reflects the latest innovations in the development of permanent magnet (PM) brushless motors for electromechanical servo drives, industrial applications, domestic and public life, traction, computer, instrumentation, aerospace, and defense.

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1/15/2012

Electric Motors and their Controls: An Introduction Review

Electric Motors and their Controls: An Introduction
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This is a great book.
This book is precise and informative, comprehensive and yet very easy to read. Without laboring over theory, it gets right to the heart of all types of electric motors and controls, covering all facets from classic to futuristic. The author fully understands the field and does not obscure the hard-to-understand areas; rather, the author illustrates the operation of each type of motor in a form that YOU WILL LEARN from, even to the point of following current flow through the motor windings so that you will see the causes of motor operation, and the genius of modern motor design.
Even if you think you know all there is to know about how electric motors work, this book will fill the gaps in your understanding.

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This is an introductory work explaining the principles, construction, and use of electric motors and their associated drive controls. It starts from basic physics and progresses to discuss state-of-the-art topics such as piezoelectric motors and vector control. It is largely non-mathematical in its approach and provides an uncluttered overview of the subject, easily accessible to beginning students in electrical and electronic engineering as well as engineers and scientists from other disciplines. This authoritative text is fully illustrated with precise, clear diagrams and photographs.

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1/07/2012

Axial Flux Permanent Magnet Brushless Machines Review

Axial Flux Permanent Magnet Brushless Machines
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My husband asked for this book as an early birthday present: he got it and he loves it.
He's been reading through it carefully, and finding it extremely useful as a reference.

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Axial Flux Permanent Magnet (AFPM) brushless machines are modern electrical machines with a lot of advantages over their conventional counterparts. This timeless and revised second edition deals with the analysis, construction, design, control and applications of AFPM machines. The authors present their own research results, as well as significant research contributions made by others. A CD with all numerical examples solved in Mathcad is attached and will be especially useful.

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1/01/2012

Permanent Magnet Materials and their Application Review

Permanent Magnet Materials and their Application
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I have read this book, not a bad book, there are couple of good chapters, the ones for thermenal stability,magnetic circuits and applications.but I do recommend "Introduction to magnetism and magnetic material" as starter book because this book deals with the theory behind magnets applications. So once you read this book, your able to understand campbell's one.


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This book is a comprehensive design text on permanent magnets and their applications. The author begins with a brief overview of the theory of magnetism and explains the behavior of the different classes of permanent magnets and the various production processes that lead to quite diverse material characteristics. The core of the book is a detailed treatment of the methods used to design permanent magnets, including assessments of the changes they experience under practical operating conditions.The volume also describes modern analytical techniques including the finite element method, with reference to the accurate simulation of permanent magnetic materials. Electrical engineers, condensed matter physicists and materials scientists will find this book useful.

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12/27/2011

Electric Motor Handbook Review

Electric Motor Handbook
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This book was a huge disappointment. There is not a useful word in it for the electric motor end-user or designer needing an off-the-shelf electric motor.
If you're looking for information on electric motors, like: lubrication, bearings, seals, cooling, standard mount styles and sizes, common motor abbreviations (TEFC, TEAO, etc.), how to size and choose a motor, energy efficiency, preventative maintenance techniques, or anything that might be even remotely practical, DO NOT waste your time on this book.
McGraw-Hill Publishing would be wise to commission a new book called "Electic Motor Practical Handbook" covering the above mentioned topics. While I own many of McGraw's (usually excellent) "Handbook" series of titles, this is the first that I would rate a utter flop.

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From portable CD drivers to heavy industry behemoths--all the essential facts about electric motors in one comprehensive reference It thoroughly covers updated tractionapplications, the latest on solid-state motor-drive controllers, electrical and mechanical parameters, specifications, shapes, performance, protection, and every size of motor made--from those usedin portable CDs to the motors required by heavy industry.

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12/21/2011

Electric Motor Maintenance and Troubleshooting Review

Electric Motor Maintenance and Troubleshooting
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I had this book on backorder for three months, eagerly anticipating new ideas, new methods of testing, and more. Having been in the electric motor industry, from being a motor repair journeyman in the US Navy to in-depth research into motor repair and testing at universities and for utilities, for about 20 years, I have seen major changes to the industry since the early 1980's.
The information in the book is the same old thing in a new cover. I see no difference between this book, previous books by the author, and my early 1950's copy of "Preventive Maintenance of Electrical Equipment" by Charles L Hubert. Basically, the book would make a great history lesson on testing from the early 1900's, while lacking in new test options that have come out over the past 25 years. The recommended 'smoke tests' and dangerous high voltage tests can be avoided these days, and are dangerous in their own right (safety issues).
There are quite a few technical issues with the book. For instance, surge testing is related as an 'inductance-based test' which is incorrect. It is actually an impedance-based test.
While new instruments have been available for the past 25 years, that are affordable, none of those technologies are mentioned. And in one area, the author offers his opinions on new technologies and what they detect, but does not provide information to allow the reader or student to make their own decisions. For instance: "Uneven air gap - a test claim - can't be detected from the three leads of a three phase motor. (Although it isn't desirable, an uneven air gap won't destroy a motor's winding.)" - Whereas, air gap problems are detected by inductance, and impedance, because of changes to the electrical circuit (this author cannot change the laws of physics), and, while it has a minimal effect on the windings, it has a pronounced effect on the mechanics of the motor, which is why air gap is important when assembling motors, and when troubleshooting with vibration (eccentric rotor vibration).
I am, to put it mildly, disappointed.

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"There is a definite need for this book" - Chuck Yung (technical Support Specialist, Electrical Apparatus Service, Association, Inc.)*Gives an overview of each motor type's components and operation *Supplies troubleshooting procedures, which make concepts crystal-clear and review questions at the end of each chapter to drive the concepts home*Covers essential safety issues

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12/17/2011

Electric Machinery and Transformers (The Oxford Series in Electrical and Computer Engineering) Review

Electric Machinery and Transformers (The Oxford Series in Electrical and Computer Engineering)
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This review applies to the 2nd edition.
I'm not an electrical engineer; I bought this book to get a better understanding of how electromagnetic equipment operates. The book is very approachable in that it does not utilize advanced mathematics (understanding basic algebra, trig, and some calculus is sufficient to understand most of the book). A reader with a good understanding of electricity (including impedance in AC circuits) and magnetism can learn quite a bit about motors, generators, and transformers from this book. Don't know how a professional engineer/educator would rate this book. If your main goal is better understandng of these types of devices, I'd highly recommend this book in used form - new is very expensive.

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Designed for junior- and senior-level courses in electromechanical energy conversion, Electric Machinery and Transformers, 3/e, continues the strong pedagogical tradition established by its successful previous editions. It begins with a review of the fundamentals of circuit theory and electromagnetics and then introduces the concept of electromechanical energy conversion. The text not only provides a systematic development of a model for each electric machine based upon established principles and basic laws, but also introduces students to applications and advanced topics. It also includes information on the construction of each electric machine. Electric Machinery and Transformers, 3/e, enhances student learning of the basic operating principles of electric machines by using numerous supporting examples, review questions, illustrations, exercises, and chapter summaries. It encourages intuitive reasoning for problem-solving over the rote memorization of equations and procedures. This third edition covers the following main topics: principles of electromechanical energy conversion; transformers; direct-current generators and motors; synchronous generators and motors; polyphase induction motors and single-phase motors; the dynamics of electric machines; and special-purpose machines.

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12/02/2011

Electricity 4: AC/DC Motors, Controls, and Maintenance Review

Electricity 4: AC/DC Motors, Controls, and Maintenance
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Very good for the non-electric type of workers.
Mostly the basic information but good for the non-electrical type of workers to
understand the motors and its control.

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Obtain quick and easy access to information on DC and AC motors, various types of manual, magnetic, and electronic controls, and the installation and maintenance functions of each. Updated to the 2008 National Electrical Code? and featuring safety references to the most current OSHA Safe Work policies, Electricity 4: AC/DC Motors, Controls, and Maintenance, 9th Edition provides practical, hands-on information to get the electrical system operating as well as the theory of ?why? the system works to aid in troubleshooting. The Ninth Edition features material on Variable Frequency Drives (VFDs) and newer controls for servo and small motors. Current practices and equipment have also been added to the Maintenance section to better enable readers to troubleshoot motors and control problems.

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11/16/2011

Electric Motors and Control Techniques Review

Electric Motors and Control Techniques
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Overall I found this to be an excellent book. I enjoyed every page, and in particular tracing out circuit operations of the various schematics. I thought the diversity of circuits was great.
Nowhere in the title did I see "Basics of" or Fundementals of". This is not a book for the novice. The reader must have a good understanding of AC and DC motors, and solid state theory, circiuts, and devices.
I found the concatenation of induction motors, and the Kramer speed control system very interesting. I have many old industrial control books, but none shows these systems.
There are several errors, and examples of such are: Page 44, Para 3 is completely wrong. The proper way to reverse direction of compound motors is to reverse A1 and A2. Page 57, para 2 relates to this proper method. Fig. 5-9 Q102 shows a JFET- should be a UJT. Fig. 5-13 Q1 same thing. Fig. 5-10 has negative 250 VDC lines to emitters of Q532-Q536 and Q552-Q556 missing. Eliminate lead from motor to bottom of C541. Fig. 6-11 motor will never reverse with this scheme. Turning dial in opposite direction FWD biasis Q2 turning on Q1 which energizes RY2. RY1 drops out turning system off. Motor never runs CCW.
I have a comprehensive technical library, and one of my books is by this author entitled "Design and Operation of Regulated Power Supplies". It's an old book, and it's full of solid state circuits. I am indebted to authors like Mr Gottlieb, for it's their writings that enabled me to learn solid state electronics.

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Get greater flexibility, reliability, and reduced energy consumption from household appliances to automobiles. This book will show you how different types of motors operate and how electronic control devices can be used to improve efficiency in a wide range of applications. You'll get in-depth, updated coverage of: Electric motor control applications; dc and ac motors; Digital motors; Commutator-type motors; Noncommutator-types motors; Electric vehicles.

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11/03/2011

Electric Motors and Drives: Fundamentals, Types and Applications (3rd Edition) Review

Electric Motors and Drives: Fundamentals, Types and Applications (3rd Edition)
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For professional reasons I needed to get a clear overview on the fundamentals of electric motors and their drives, without delving into details. This book completely satisfied my requests. More intensively every day software is involved in the design of drives for electric motors. DSP and microcontrollers are the cores of this drives. Software engineers don't need to know the details of functionality of the motors therefore can get a benefit from reading this book in order to understand why some algorithms are implemented in the programs they develop. I found very interesting the explicit intention to explain the fundamentals of electric motors in a non quantitative way: in complicated formulas the essence of reality gets lost. Now, after reading this book, I can say that I have understood how the electric motors work.

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