Last edited by Kasida
Thursday, April 23, 2020 | History

2 edition of Magnetic amplifier engineering. found in the catalog.

Magnetic amplifier engineering.

George Marcello Attura

Magnetic amplifier engineering.

  • 43 Want to read
  • 35 Currently reading

Published by McGraw-Hill .
Written in English


The Physical Object
Pagination220p.,ill.,24cm
Number of Pages220
ID Numbers
Open LibraryOL18864574M


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Magnetic amplifier engineering. by George Marcello Attura Download PDF EPUB FB2

Magnetic Amplifier Engineering Magnetic amplifier engineering. book – January 1, by George M. Attura (Author), Michael J. Paris (Author) See all formats and editions Hide other formats and editions.

Price New from Used from Hardcover, Import "Please retry" Author: George M. Attura, Michael J. Paris. The Theory and Design of Magnetic Amplifiers by Frost-Smith, magnetic amplifier design.

Edit Your Search. Results (1 - 10) Fair. This is an ex-library book and may have the usual library/used-book markings book has hardback covers. With usual stamps and markings, In fair condition, suitable as a study copy. No dust jacket. Magnetic Amplifiers: Principles and Applications Paperback – January 1, by Paul Mali (Author) out of 5 stars 2 ratings.

See all 2 formats and editions Hide /5(2). Addeddate Identifier MagneticAmplifiers Identifier-ark ark://t9cp80 Ocr ABBYY FineReader Pages Ppi Half wave Magnetic Amplifier Whenever DC supply is given to the control winding then the magnetic flux will be generated in the iron core.

With the increase in this generated magnetic flux the impedance of the output winding will decreases, then the current flowing from the AC supply through the output winding and load will increases.

Magnetic amplifier engineering by Attura, George M. and a great selection of related books, art and collectibles available now at The magnetic amplifier (colloquially known as a "mag amp") is an electromagnetic device for amplifying electrical signals.

The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers where robustness and high current capacity were required.

World War II Germany perfected this type of amplifier, and it was used in the V-2 rocket. Additional Physical Format: Online version: Attura, George M. Magnetic amplifier engineering. New York, McGraw-Hill, (OCoLC) Document Type.

Different types of amplifiers are used for electronic amplification. A simple electronic amplifier that works on the principle of magnetic saturation of a transformer core is called a magnetic amplifier. This article includes a control circuit diagram for a magnetic amplifier and discusses the working theory of the circuit as well as the drawbacks of magnetic amplifiers.

Magnetic-Amplifier Circuits: Basic Principles, Characteristics, and Applications (New York et al.: McGraw-Hill Book Co., ), by William A.

Geyger (page images at HathiTrust) Static Electromagnetic Devices (Boston: Allyn and Magnetic amplifier engineering.

book, ), by William T. Hunt and Robert Stein (page images at HathiTrust). Fig. circuit for half-wave magnetic amplifier. Magnetic amplifiers like the Vickers unit above allow fingertip control of elaborate lighting systems in TV studios. (NBC photo) Thanks to magnetic amplifiers, this paper-making machine at West Tacoma Newsprint Corporation in Tacoma, Washington, can operate at feet per second, many times faster than previously possible.

Magnetic amplifier made from common 12 volt transformers. A magnetic amplifier is a circuit that uses changes in core saturation of an inductor to bring about amplification. A small amount of DC current change from the 9 volt battery and a 1k pot can cause a large. RWG Bucknall, NA Haines, in Electrical Engineer's Reference Book (Sixteenth Edition), Voltage build up.

In Figure the no-load terminal voltage is applied to magnetic amplifier 4; its current lags this voltage by nearly a quarter-period, passes through the compounding current transformer 2 and Magnetic amplifier engineering. book field rectifer, and supplies the no-load excitation.

Fundamentals of Engineering Electronics, William Dow,pages - Courtesy of an anonymous donor. A very unassuming title for a page engineering book. The first part of the book has a rather in-depth treatment of vacuum tube operation, and details of amplifier circuit design.

6 I. IIfrRODlJCTIOI Definitions and Hlsto;rz The magnetic a device using saturable reactors either or in combination with other circuit elements to secure anrplifioation.1 The element of the magnetic amplifier, the saturable reactor, is an elec~romagnetic device employing one or more nonlinear magnetic cores.

navsea training manual applied engineering principles manual naval sea systems command navy department rev. 1, acn-1, may magnetic amplifier simulation.

A voltage regulation circuit is constructed using the magnetic amplifier and is simulated. A magnetic amplifier is designed, constructed, and tested with three different magnetic materials. At the conclusion of this report, the summary of the thesis will be.

MAGNETIC-AMPLIFIER ANALYSIS USING A GENERALIZED MODEL FOR THE SATURABLE REACTOR CORE by HERBERT HORACE WOODSON Submitted to the Department of Electrical Engineering onin partial fulfillment of the requirements for the degree of Doctor of Science. ABSTRACT A mathematical representation for a polycrystalline.

The unit amplifies because the carrier-current variations are much larger than the control current changes. The extreme sensitivity of magnetic amplifiers enables them to amplify signals weaker than vacuum-tube shot noise. The parts of a magnetic amplifier circuit may be compared to the parts of a vacuum-tube circuit.

I also buy technical books I'm still looking for a few books to round out my personal library. These include certain titles about dielectrics, electrical breakdown, gas discharge phenomena, high voltage engineering, pulsed power, ultrastrong magnetic fields, atmospheric. SIMPLIFIED MAGNETIC AMPLIFIER CIRCUITRY.

If the saturable-core reactor works, why do we need to add a rectifier to produce a magnetic amplifier. To answer this question, recall that in NEETS, module 2 - Introduction to Alternating Current and Transformers, you were told about hysteresis esis loss occurs because the a.c.

applied to a coil causes the tiny molecular magnets (or. Magnetic AmplifierA magnetic amplifier is an electromagnetic device for amplifying electrical signals. It controls the saturation degree of a choke by means of. Amplifier-The amplitude of a signal waveform can be increased by using an electronic device called as an Amplifier.

By consuming energy from a power supply an electronic amplifier increases the power of a signal to control over the shape of the ou. Here's some interesting reading on magnetic amplifiers: Magnetic Amplifiers: Another Lost Technology (PDF) "I had always believed that first came the vacuum tube, then the transistor, period.

But thanks to an old Navy tech manual sent in by a reader, I've discovered a third "lost" entity. Magnetic Amplifier Magnetic amp made by addition rectifier.

On upper core “A” current now can flow in the AC winding and through the load only when supply terminals are connected to point 2 current flows in the core “B” and only through the load.

I remember reading a book on magnetic amplifiers when I was in high school and this may have been the one. H.F. Storm, "Magnetic Amplifiers," John Wiley & Sons, Inc.

D.L. Lafuze, "Magnetic Amplifier Analysis," John Wiley & Sons, I don't know just how much power you want to control, but here's one that is listed as ,Ampere. helped the author to learn many topics in engineering in practise by making a concrete reference to the technology of music.

Therefore, this book is a docu-mentation of different topics in physics, music and engineering, all connected by that one bass guitar. All the topics presented in this book are composed together from already known.

Magnetic amplifiers: theory and application. Sidney Platt. Prentice-Hall, - Technology & Engineering - pages. 0 Reviews. From inside the book. What people are saying - Write a review. We haven't found any reviews in the usual places. Contents. Introduction and history. nov - A Lost Technology of the s — Rugged, dependable, EMP-proof.

Homemade magnetic amplifiers can be made from common transformers and toroids. This video shows the control of a car headlight using a potentiometer and. An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude of a signal applied to its input terminals, producing a proportionally greater amplitude signal at its output.

produces a time-varying magnetic field inside the coil. Moving a magnet towards a coil produces a time-varying magnetic field inside the coil The induced emf in a coil of N turns is equal to N times the rate of change of the magnetic flux on one loop of the coil.

Stereo monitor amplifier made for sound studio, broadcast and similar pro-use. The GK is an abbreviated Williamson. The basic engineering is good, simplistic and efficient.

The input transformer is a good idea – in particular for pro-use, due to the galvanic isolation that prevents hum input level arrangement, however, is rather. MAGNETIC AMPLIFIERS. As we stated earlier in this chapter, various types of servo amplifiers are used to drive servo motors.

When the amplifier is required to produce a large amount of power, the conventional electronic amplifier becomes less efficient than some other types. The following is a brief discussion of a typical magnetic amplifier used in a servo system where large amounts of power.

Page - An Application of Magnetic Amplifier Circuits to Perform Multiplication and Other Analytical Operations. Appears in 10 books from Page 95 - The Transductor, DC Pre-Saturated Reactor with Special Reference to Transductor Control of Rectifiers," Dissertation Stockholm, (2nd Ed Acta Polytechnlca, Academy of Engineering.

A magnetic amplifier is an electromagnetic device that amplifies electrical signals utilizing a transformer’s core saturation principle, and the core non linear property.

It consists of an iron core with two or more coils wound around it. THEORY OF THE MAGNETIC AMPLIFIER The most importan component t o f a magnetic amplifier is the inductor "whic consisth os f two wit a h superimposed as showg n in FigIn Flg.l an inductor is shown wher the e gs are connected in series oppos­ ition.

vVW—|File Size: 9MB. The variable reactor used throughout this work is the magnetic amplifier (MA) 12 which is a type of magnetically controlled reactors. It consists of two windings on the outer two limbs of a. Amplifier Transformers: Magnetic Components, Inc. specializes in amplifier transformers.

More than 80% of our transformers manufactured is for this market and bring over 70 years transformer manufacturing expertise to our product. Like vacuum tubes, transformers.

MCQ in Microwave Tubes and Circuits from the book Electronic Communication Systems by George Kennedy. A microwave tube amplifier uses an axial magnetic field and a radial electric field. is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a.

Magnetic Amplifier Voltage Regulators l4olwRr GROUND POWER Table of Contents SUBJECT SAFETY WARNING CHAPTER/SECTION PAGE TABLE OF CONTENTS INTRODUCTION 1. Scope 2. Purpose 3. Customer Service CHAPTER 1. DESCRIPTION/OPERATION SECTION 1.

DESCRIPTION 1. Unit Assembly l-l 1 2. Components l-l 1 3. Detailed Circuit Descriptions l-l 3. The mag-amp will control the current and voltage well, it is beyound me as to how it would or could rectify ac. I know that you can control the ac portion well and that transient from primary are mostly blocked from seconardy and are more blocked as the bias current increases.

example would be a lot of power comamies use meg-amps for for control of out put on generators. a few milli-amps.There are also citations of scientific and engineering journal articles, of military documents, and of procedings of the Institutes of Electrical, Electronics and Radio Engineers.

Entries range all the way from the year BC to A must for further research into the lost technology of the magnetic amplifier.