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Thursday, May 14, 2020 | History

2 edition of Electric motors, their theory and construction found in the catalog.

Electric motors, their theory and construction

Henry Metcalf Hobart

Electric motors, their theory and construction

A treatise for consultants, manufacturers, designers and advanced students

by Henry Metcalf Hobart

  • 119 Want to read
  • 11 Currently reading

Published by Pitman in London .
Written in English


Edition Notes

Statementby Henry M. Hobart. Vol.2, Chiefly concerning polyphase current.
The Physical Object
Paginationxvi,384p., 6 fold leaves
Number of Pages384
ID Numbers
Open LibraryOL13952002M

The Electrical Science handbook consists of fifteen modules that are contained in four volumes. The following is a brief description of the information presented in each module of the handbook. Volume 1 of 4 Module 1 - Basic Electrical Theory This module describes basic electrical concepts and introduces electrical terminology. Module 2 - Basic File Size: 2MB.   Construction of Dc motor. Construction of Dc motor nearly looks like the construction of Dc generator, originally when the Dc machine starts working we can’t identify whether it’s a Dc generator or motor, briefly Dc motor consists of. Stator: it’s the stationary part containing the field winding and receives the supply. Rotor: which is the rotating part.

  How an electric motor works—in theory. Photo: An electrician repairs an electric motor onboard an aircraft carrier. The shiny metal he's using may look like gold, but it's actually copper, a good conductor that is much less by Jason Jacobowitz courtesy of US Navy.. The link between electricity, magnetism, and movement was originally discovered in by French physicist. electric machine applications are also discussed. CLASSIFICATION OF ELECTRIC MACHINES There are several methods of classifying electric machines [6]: • Electric power supply - Electric machines are classified as D.C. and A.C. machines as well as according to their stator and rotor constructions as shown in Figure Size: KB.

Books For older readers. Electric Motors and Drives: Fundamentals, Types and Applications by Austin Hughes and Bill Drury, Newnes (Elsevier), Induction motors are covered in chapters 5, 6, and 7. Wizard: Life and Times of Nikola Tesla by Marc J. Seifer, Kensington, Tesla: Man Out of Time by Margaret Cheney, Touchstone, For. motor resembles, three-phase, squirrel-cage motor except that, single phase induction motor has no starting torque and some special arrangement have to be made to make it as self starting. In this chapter, we shall focus our attention on the construction, working and characteristics of commonly used single-phase motors.


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Electric motors, their theory and construction by Henry Metcalf Hobart Download PDF EPUB FB2

Electric Motors and Drives: Fundamentals, Types and Applications, Fifth Edition is intended primarily for non-specialist 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.

It bridges the gap between specialist textbooks (too analytical for the average user) and handbooks (full 5/5(1). 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', their theory and construction book provide useful detail but little opportunity for the development of real insight and by: widely used in several types of electric rotating machines, including synchronous machines.

However, due to mechanical, as well as operational reasons, perma-nent magnets in synchronous machines are restricted Electric motors those with ratings much lower than large turbine-driven generators, which is the subject of this Size: 1MB.

Electric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding.

The book explores all of the widely-used modern types of motor and drive, including conventional and Reviews: 2. 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 Book Edition: 4.

Rotor construction Slip Rotor induced e.m.f., current and torque Rotor currents and torque – small slip the third edition of this book is intended primarily for non-specialist users and students of electric motors and drives. The AC induction motor is. the most used electrical motor in industrial applications worldwide.

Other. motors that are included are 1-phase induction motors, permanent synchronous. motors and synchronous reluctance motors. The theory used in the work. The electric motor operation is based on the following points: •At least one of the two magnetic field is generated by a solenoid carrying a current.

•The phase relation between the rotor and stator magnetic field (i.e. the load angle) must be always greater than 0°in order to keep the motor in motion (negative angles reverse the rotation).File Size: 2MB. Electric Motor Control: DC, AC, and BLDC Motors introduces practical drive techniques of electric motors to enable stable and efficient control of many application systems, also covering basic principles of high-performance motor control techniques, driving methods, control theories and power converters.

Electric motor drive systems play a critical role in home appliances, motor vehicles. Electric motors, their theory and construction, a treatise for consultants, manufacturers, designers and advanced students. What is an Induction Motor. An induction motor (also known as an asynchronous motor) is a commonly used AC electric an induction motor, the electric current in the rotor needed to produce torque is obtained via electromagnetic induction from the rotating magnetic field of the stator winding.

The rotor of an induction motor can be a squirrel cage rotor or wound type rotor. An electric motor is an electrical machine that converts electrical energy into mechanical electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

Electric motors can be powered by direct current (DC) sources, such as from batteries, motor vehicles. 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.

Tom Henry's Best Selling Electrical Books and Study Guides # - Ohm's Law # - Electrical Theory # - The Grounding Workbook # - The Electrician's Workbook # - Electric Motors Workbook # - Electrical Inspection Workbook # - Calculations 2 Workbook.

Electric Motor is a device which converts electrical energy into mechanical energy. Principle of Electric Motor. The principle of the electric motor is based on the fact that a current carrying conductor produces a magnetic field around it.A current carrying conductor placed perpendicular to magnetic field experiences a force.

Get this from a library. Electric motors, continuous current motors and induction motors; their theory and construction.

[Henry M Hobart]. As we know, an electric motor plays a vital role in every sector of the industry, and also in a wide range of applications. There are a variety of types of electric motors are available in the market.

The selection of these motors can be done based on the operation and voltage and applications. electric motors. Among electric motors, induction motors are most used both for home appliances and in various industries [].

This is so because they have been traditionally fed directly from the three-phase a.c. electric power grid through electromagnetic power switches with adequate protection.

It. For theory, I suggest Electrical Machinery and Transformers, by Guru/Hiziroglu For practicality, I suggest Electric Motor Repair, by Rosenberg/Hand motor repair book. Has a lot of excellent information in it. It opens twice inside, one half shows illustrations while the other, the text. By far my favorite electric motor book.

• The basic idea of an electric motor is to generate two magnetic fields: rotor magnetic field and stator magnetic field and make the stator field rotating. The rotor will constantly be turning to align its magnetic field with that of the stator field.

• The 3-phase set of currents, each of equal magnitude and with a phaseFile Size: 1MB. for industrial purposes. The alternating current (AC) electric induction motor has been an industry workhorse for electro-mechanical conversion for over years.

This tutorial will introduce the user to the fundamental electrical and mechanical principles of AC electric induction motor design and Size: KB.needed in systems of electric lighting and power, and intercommunications.

As a Construction Electrician, your understanding and knowledge of basic electrical theory will able to conduct the Navy’s mission. Basic mathematical skills are used everyday by Construction Electricians. A sound.Electric Motor Control: DC, AC, and BLDC Motors introduces practical drive techniques of electric motors to enable stable and efficient control of many application systems, also covering basic principles of high-performance motor control techniques, driving methods, control theories and power converters.