Showing posts with label electric vehicles. Show all posts
Showing posts with label electric vehicles. Show all posts

1/15/2012

Electric Motors and their Controls: An Introduction Review

Electric Motors and their Controls: An Introduction
Average Reviews:

(More customer reviews)
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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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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12/02/2011

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

Electricity 4: AC/DC Motors, Controls, and Maintenance
Average Reviews:

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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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