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IEEE Transactions on Industry Applications

Issue 6 • Date Nov. 1972

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Displaying Results 1 - 25 of 27
  • Table of contents

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

    Publication Year: 1972, Page(s): c2
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  • 1972 Industry Applications Society Annual Meeting

    Publication Year: 1972, Page(s):667 - 673
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  • Engineering a Better Environment

    Publication Year: 1972, Page(s):674 - 678
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2894 KB)

    First Page of the Article
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  • Current-Source Converter for AC Motor Drives

    Publication Year: 1972, Page(s):679 - 683
    Cited by:  Papers (76)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1220 KB)

    The employment of current-source concepts in thyristor converters to obtain adjustable frequency and adjustable current waveforms is presented. The use of a dc filter choke and a current feedback loop to produce a regenerative current source is explained. The simplified inverter commutation circuit made possible by the current-source technique is also discussed. Finally, a brief review of the inhe... View full abstract»

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  • Self-Oscillating Regulated DC-to-DC Converter

    Publication Year: 1972, Page(s):684 - 689
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2847 KB)

    A transformer-coupled dc-to-dc converter, in which the voltage-regulation feedback loop also serves to establish the self-oscillations required for dc-to-ac inversion, is described in this paper. This results in improved circuit economy as compared to conventional converters in which regulation and inversion are separate functions. View full abstract»

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  • Transient Torsional Vibrations in Multiple-Inertia Systems

    Publication Year: 1972, Page(s):690 - 696
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2839 KB)

    Torque amplification in a steel mill or impact phenomena in a general elastic system can be analyzed by a similarity transformation of the linear equations of motion using their eigen-vector or modal matrix. Response to initial displacement or velocity and to step function forces are developed in a way that forms the principle of a fast accurate computer program. Torque amplification is the result... View full abstract»

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  • Level-Detector Integrated Circuit

    Publication Year: 1972, Page(s):697 - 706
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5231 KB)

    In recent years, there has been increasing emphasis upon the utilization of integrated circuits (IC's) to perform many of the basic control functions in circuitry for power equipment. The advantages of this approach accrue from the economic considerations involved with using IC's in quantities and also the feasibility that a certain amount of standardization of circuitry may be obtained. The subje... View full abstract»

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  • Vacuum Interruption-A Review of the Vacuum Arc and Contact Functions

    Publication Year: 1972, Page(s):707 - 722
    Cited by:  Papers (9)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6979 KB)

    The growing use of vacuum interruption devices by the power and control industry in the last decade introduces these devices to many people for whom the area of vacuum interruption is somewhat new. It is felt that a review of the subject of vacuum interruption from a scientific and technological viewpoint, is needed. This summary will present an overall view of the topic and will facilitate its un... View full abstract»

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  • Superior Overcurrent Protection with Motor Short-Circuit Protectors

    Publication Year: 1972, Page(s):723 - 727
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3959 KB)

    A never ending stream of magazine articles, IEEE papers, National Electrical Code proposals and revisions attest to the need for better protection of motors, controllers, and branch circuits. Superior branch circuit overcurrent protection can be obtained by a combination of specially designed motor short-circuit protectors and especially approved motor controllers. This paper explains the protecti... View full abstract»

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  • Load Flow? What Can It Tell You?

    Publication Year: 1972, Page(s):728 - 734
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8815 KB)

    Load flows, more recently called power flows, have been a tool of the systems analyst for many years. Mostly load flow studies in the past have been made by large utilities to determine the system behavior under certain specified conditions. In the recent past some industrial plants have electrical systems as large and complex as some of the utility systems of yesteryear. This paper is an effort t... View full abstract»

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  • Electrical Systems for Automatic Handling and Electric Heating of Slabs

    Publication Year: 1972, Page(s):735 - 743
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6571 KB)

    The availability of large quantities of electrical power and sophisticated means of control has justified the use of induction methods in heating large steel slabs to rolling mill temperatures. Capable of delivering 210 MW, a unique power system, comprising power transformers, autotransformers, static switches, and capacitor banks, provides eighteen induction heaters with controlled electrical ene... View full abstract»

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  • Electrostatic Beneficiation Apparatus for Fluidized Iron and Other Ores

    Publication Year: 1972, Page(s):744 - 748
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2325 KB)

    The paper presents a new apparatus for electrostatic beneficiation of fluidized ores. The apparatus comprises a fluidized bed, an optional metallic screen electrode located above the bed, and a series of collecting U-or V-shaped troughs. The troughs are moving horizontally below the screen. The vertical electric field traversing the fluid bed was produced by applying high voltage to a porous metal... View full abstract»

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  • IEEE Industry Applications Society Constitution and Bylaws

    Publication Year: 1972, Page(s):i - xi
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  • Critical Parameters and Load Cell Tension Control in Stelco's No. 3 Galvanizing Line

    Publication Year: 1972, Page(s):749 - 760
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (16148 KB)

    Modern high speed process lines demand good tension control for best performance. This paper deals specifically with the application of load cell type tensiometers on Stelco's no. 3 galvanizing line, however, the merits of this type of tension control apply as well to other process lines. It describes and shows the advantage of tension regulation by the use of tensiometers versus current regulatio... View full abstract»

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  • Rotary Grinding Mill and Drive Motor Torque Relationships

    Publication Year: 1972, Page(s):761 - 768
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4815 KB)

    An understanding of torque relationships in the operation of rotary grinding mills necessitates a complete analysis of the mill, gear train, and drive motor insofar as torsional load, inertia, and frictional losses are concerned. Ability of a drive motor to develop the required torque is dependent upon its inherent torque characteristics in combination with its electrical supply system. A complete... View full abstract»

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  • Water Pollution-Solution

    Publication Year: 1972, Page(s):769 - 771
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1723 KB)

    Water pollution regulations and the types and sources of water pollution common to a ``typical'' cement plant are discussed. With the exception of the problem of totally dissolved solids in ``process'' water, solutions to most of the other water pollution problems common to a cement plant have been known. A solution to the problem of totally dissolved solids in ``process'' water is offered in this... View full abstract»

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  • Computer Wiring System-Raceways, Circuits, and Wire Terminations

    Publication Year: 1972, Page(s):772 - 782
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3140 KB)

    This paper introduces a computerized wiring system that is new to the industry. It begins with the reasons for the development of the computer program to process the wiring system data in favor of conventional drafted schedules and diagrams. A brief explanation of the computer program is given, and the common terms associated with wiring methods are redefined for use by the computer. The program o... View full abstract»

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  • Evaluation of the Shielding Properties of Cable Trays for Use in an Industrial Environment

    Publication Year: 1972, Page(s):783 - 787
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6489 KB)

    The proper shielding of control cables in an industrial control system is an important part of the system's design. With the advent of direct digital and analog process control in large industrial facilities such as steel mills and power plants, the minimumization of interference induced in the communication link between the in-plant transducers and analog or digital controller becomes an importan... View full abstract»

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  • A Hybrid Integrated Pulsewidth Modulator

    Publication Year: 1972, Page(s):788 - 792
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3546 KB)

    A hybrid integrated circuit is described which generates two phase-shifted 20-kHz output pulse trains whose duty cycles are related to the amplitude of an applied input signal. The circuit was designed primarily for use in power conditioning schemes utilizing pulsewidth modulated signals for regulated dc-to-dc voltage conversion. Realization of this hybrid circuit has been accomplished with a beam... View full abstract»

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  • Control of Selective-Collective Elevators Based on the Use of Integrated Circuits

    Publication Year: 1972, Page(s):793 - 802
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    Selective-collective elevators present, as far as the logic design is concerned, the most complex control problems among simplex elevators. A control unit for this type of elevator, completely based on the use of digital integrated circuits, is described in the paper. The application of integrated circuits improves, in the authors' opinion, reliability and maintainability of elevator control as co... View full abstract»

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  • Heating Fuel Oil and Other Fluids in Cement Plants

    Publication Year: 1972, Page(s):803 - 821
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11777 KB)

    The current fuel market situation is causing more cement plants to look toward fuel oil as either a primary or as a secondary fuel. This paper discusses the various ``direct'' and ``indirect'' heating methods available for heating industrial fluids as related to heating fuel oil. The basic fuel oil heating system is illustrated, and the various methods and equipment for heating at the storage, pum... View full abstract»

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  • 1972 Index IEEE Transactions on Industry Applications Vol. IA-8

    Publication Year: 1972, Page(s):821a - 821c
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  • Subject index

    Publication Year: 1972, Page(s):821c - 821h
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  • Chapter Chairmen

    Publication Year: 1972, Page(s): 821-i
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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