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IEEE Transactions on Industry Applications

Issue 4 • Date July 1972

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Displaying Results 1 - 25 of 25
  • IEEE Transactions on Industry Applications

    Publication Year: 1972, Page(s): c1
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  • IEEE Industry Applications Society

    Publication Year: 1972, Page(s): c2
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  • Table of contents

    Publication Year: 1972, Page(s): 367
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  • The Industry Applications Society Annual Meeting: Philadelphia, Pennsylvania October 9-12, 1972

    Publication Year: 1972, Page(s):368 - 371
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  • Optical Xerography

    Publication Year: 1972, Page(s):372 - 382
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5616 KB)

    After a review of standard xerography, it is shown that optical techniques can be used to perform all the xerographic functions (charging, exposure, transfer, fusing and cleaning) except development. ``Photoelectric charging'' and ``induction charging'' are described in detail, and the complicated and subtle phenomena which occur at the photoconductor interfaces are clarified. ``Persistent interna... View full abstract»

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  • Effects of Power Supply Variations on AC Motor Characteristics

    Publication Year: 1972, Page(s):383 - 400
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6401 KB)

    Voltage level variations are shown to be only one of eight different types of voltage deviations which can affect motor characteristics. Each of these is discussed in relation to possible detrimental effects on operating costs or motor reliability. The timeliness of the paper is demonstrated, especially for continuous process and automated industries. Remedial measures, when indicated, are shown t... View full abstract»

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  • Fuel-Cell Protective Device

    Publication Year: 1972, Page(s):401 - 403
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1775 KB)

    The protection of a fuel-cell system requires a circuit breaker which will trip more rapidly when overcurrent is accompanied by undervoltage, but it should not trip with undervoltage alone without overcurrent. View full abstract»

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  • Today's Transformer Insulation Systems

    Publication Year: 1972, Page(s):404 - 411
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5239 KB)

    Insulation system integrity is probably the most important factor in satisfactory transformer performance; changes and improvements in transformer insulation systems take place continuously. Insulation systems are described, as they are currently constituted in oil immersed, askarel insulated, dry type, gas insulated, and encapsulated power transformers. Since transformer life is directly related ... View full abstract»

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  • General Guidelines for Vacuum Circuit Breaker Application

    Publication Year: 1972, Page(s):412 - 417
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5975 KB)

    Vacuum circuit breakers have been used successfully in a variety of applications, spanning duties from fault interruption to highly repetitive arc-furnace switching. Application guidelines that have resulted from extensive engineering investigations and successful experience in service are described. View full abstract»

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  • Electrothermal Cutting Processes Using a CO2 Laser

    Publication Year: 1972, Page(s):418 - 424
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3627 KB)

    The application of lasers to industrial electrothermal processes is discussed together with the factors affecting the choice of laser. The use of gas jet assistance in cutting applications is described, and the influence of gas jet assistance on the cutting rate and cut quality for metals and nonmetals is shown. View full abstract»

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  • Electromagnetic Metal Forming

    Publication Year: 1972, Page(s):425 - 429
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1846 KB)

    An analysis of the process of tube expansion by electromagnetic forces has been suggested for an approximate evaluation of pressure, velocity, and radius. Reasonable agreement is obtained with experimental results. View full abstract»

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  • The Service Current Rating of Power Conversion Equipment

    Publication Year: 1972, Page(s):430 - 436
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2273 KB)

    The conventional method which has been used for specifying the load current/time capability of power conversion equipment is based on the provision of continuous and short-time current ratings under specified conditions of service. This method is not suitable for establishing the capability of the equipment for supplying arbitrary load current/time demands on a repetitive duty cycle basis. This pa... View full abstract»

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  • An Application of Frequency Entrainment in a DC-to-DC Converter

    Publication Year: 1972, Page(s):437 - 442
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2359 KB)

    Inherent simplicity and high efficiency combined with an excellent dynamic behavior make the use of self-oscillating switching circuits an attractive alternative in the design of electronic power conditioning equipment. Unfortunately, these free-running circuits often suffer from large variations in operating frequency under varying line and load conditions, a deficiency which seriously limits the... View full abstract»

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  • Cycloconverter Control Circuits

    Publication Year: 1972, Page(s):443 - 453
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (10226 KB)

    Cycloconverter control circuitry is discussed using examples from a practical three-phase to single-phase circulating current free cycloconverter. The voltage biased cosine wave technique is used for phase control. Phase-forward and phase-back limit (PBL) pulses are superimposed on each cosine wave. Spurious gating pulses in the range 180° to 360° are suppressed. A new current zero detector is p... View full abstract»

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  • 360-Hz Complementary Impulse Commutated Inverter

    Publication Year: 1972, Page(s):454 - 460
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2569 KB)

    A fixed-frequency 360-Hz SCR inverter operated with an inductive and three-phase motor load is described. Such an inverter could provide a solid-state motor control more compact and possibly at a lower cost for a given horsepower than a 60-Hz system. A McMurray-Bedford inverter circuit was used similar to that described by Bedford and Hoft in [1]. The inverter operation has been described in detai... View full abstract»

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  • Power Semiconductor Current Ratings for Welding Applications

    Publication Year: 1972, Page(s):461 - 471
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4840 KB)

    The power handling capability of thyristors and silicon rectifiers have, in the last few years, increased to the power handling application range previously served by the ignitron. The ratings of the power semiconductor, however, are significantly different than ignitron ratings. Power semiconductor ratings are compared with ignitron ratings when applied in welding and other applications having cy... View full abstract»

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  • Textile Machine Noise Control

    Publication Year: 1972, Page(s):472 - 476
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2614 KB)

    An approach to noise control by a textile machine manufacturer is outlined. The means of identifying noise sources are discussed. The results of applying some noise reduction techniques are presented. View full abstract»

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  • Dynamic Errors in Type 1 Contouring Systems

    Publication Year: 1972, Page(s):477 - 484
    Cited by:  Papers (39)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2879 KB)

    The general nature of contouring errors experienced in type 1 servo systems as a result of command contours is described. Both transient and steady-state errors are discussed. A significant result illustrates that contouring error is essentially a result of mismatched gains in the servo drives and the contour. The relative significance of errors associated with a mismatch in time constants, modeli... View full abstract»

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  • Current Distribution in Helical Solenoids

    Publication Year: 1972, Page(s):485 - 490
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2203 KB)

    A method is presented for calculating the current distribution and power loss in the individual turns of helical solenoids of nonmagnetic materials. Examples are presented pertaining to 5- and 14-turn coils with or without a circular billet located inside the solenoid. In addition, experimental results are included showing the excellent agreement between theory and practice. View full abstract»

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  • Electrification: Its Effect on Signaling and Communications

    Publication Year: 1972, Page(s):491 - 498
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3770 KB)

    When an operating railroad is electrified, the propulsion power may produce effects on the signaling and communication facilities which require conversion for compatibility. This paper explains the role of signaling and communications in railroading, describing the needs and economic justification. It describes the effects of electrification and the requirements for conversion of facilities. It su... View full abstract»

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  • The Metropolitan Transportation Authority's Program for Modernization of the Long Island Rail Road

    Publication Year: 1972, Page(s):499 - 503
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3478 KB)

    The modernization of the Long Island Rail Road undertaken by the New York Metropolitan Transportation Authority provided a major replacement of passenger cars used in electrified service as well as the first major extension of electrified service in more than 40 years. Rehabilitation of electric power supplies, installation of communication equipment, station platform improvements, and track upgra... View full abstract»

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  • A Thermal Model for the Evaluation of Subway Ventilation and Air Conditioning

    Publication Year: 1972, Page(s):504 - 513
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3830 KB)

    A thermal model of an existing subway station and 1/2 mi of adjacent tunnels are described. The model, developed to evaluate a number of car-cooling and air-conditioning concepts for improved passenger comfort, was programmed for a digital computer to account for transient effects due to train and passenger flow, out-door temperature, humidity conditions, and heat storage in tunnel walls and surro... View full abstract»

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  • Chapter Chairmen

    Publication Year: 1972, Page(s): 513-a
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  • IEEE Industry Applications Society

    Publication Year: 1972, Page(s): 513-b
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  • Technical Operations Department

    Publication Year: 1972, Page(s): 513-c
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Aims & Scope

The scope of the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Thomas A. Nondahl
t.nondahl@ieee.org