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IEEE Transactions on Industry Applications

Issue 3 • Date May 1974

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Displaying Results 1 - 21 of 21
  • Table of contents

    Publication Year: 1974, Page(s): c1
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  • IEEE Industry Applications Society

    Publication Year: 1974, Page(s): c2
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  • Codes of Engineering Ethics

    Publication Year: 1974, Page(s):337 - 339
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    First Page of the Article
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  • Salt Bath Furnaces

    Publication Year: 1974, Page(s):340 - 346
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    A salt bath furnace is basically a ceramic or metal container filled with molten salt into which work is immersed for either heating or cooling. The furnace contains salt such as nitrates, nitrites, caustic soda, chlorides, carbonates, and cyanide. Mixtures of salt are selected to give a specific temperature range and a desired treatment (or lack of treatment) to the surface of the material being ... View full abstract»

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  • Bar Lip Welding---A New High-Frequency Current Penetration Process

    Publication Year: 1974, Page(s):347 - 350
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2879 KB)

    Current penetration welding is a new technique utilizing unusual high-frequency current phenomena. A new and fast current penetration finite-length lip welding process is described. Metal lips to be joined are heated by high-frequency current and are squeezed to produce a forge weld. View full abstract»

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  • Load Power Matching of High-Frequency Power Supplies for Induction Heating

    Publication Year: 1974, Page(s):351 - 359
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2409 KB)

    The widespread acceptance of solid-state powement equipment for induction heating has introduced to the production setup man a new set of parameters for load power matching and tuning. As a manufacturer of solid-state power for induction heating applications, the author offers a semitechnical presentation of induction load characteristics, simplified inverter theory, and load power matching guide ... View full abstract»

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  • A Dynamic Electroheat Model for an AC Plasma Torch

    Publication Year: 1974, Page(s):360 - 367
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1716 KB)

    A lumped-parameter dynamic model of the thermal characteristics of an ac plasma torch is developed. Particular emphasis is placed upon developing a model directly suited to the requirements of automatic control analysis. It is shown that the magnetic flux density and supply voltage are desireable control inputs since they lead to the least complex dynamic representation. A state-variable approach ... View full abstract»

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  • Analysis of the Reconstruction of Rail Geometry from Curvature Data

    Publication Year: 1974, Page(s):368 - 379
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3286 KB)

    The reconstruction of rail geometry from measured curvature data is analyzed. The mathematical concept of curvature is developed and utilized in numerical integration of differential equations describing the rail path. Formulas are derived for various chord-displacement methods of measuring curvature and for their measurement response functions. The reconstruction of rail shapes is demonstrated by... View full abstract»

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  • Automatic Railroad Track Inspection

    Publication Year: 1974, Page(s):380 - 384
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2581 KB)

    A technical survey of the automated stationary and mobile track test train systems to date is presented. The use and availability of sensors is also reviewed. A method of in-situ excitation in conjunction with a radio interrogation coupled to existing railway communication systems is discussed. The automatic inspection system proposed here is limited to the track bed and the rails. The rails are t... View full abstract»

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  • E60C Electric Locomotives For the Black Mesa and Lake Powell Railroad

    Publication Year: 1974, Page(s):385 - 390
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4849 KB)

    A new 50-kV 60-Hz electric locomotive haeen designed to meet American railroad standards and requirements. This new locomotive has been designated the E6OC, with a nominal rating of 6000 equivalent diesel horsepower (4500 kW). Many of the design features of the locomotive are described. In order to operate 125 km (78 mi) from the substation, provisions were made in the locomotive circuits for oper... View full abstract»

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  • 1974 Industry Operations Department and Technology Operations Department Organization and Committee Directory of the IEEE Industry Applications Society

    Publication Year: 1974, Page(s):[388]-a - xxix
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  • Digital Simulation of a High-Performance AC Drive System---Part I

    Publication Year: 1974, Page(s):391 - 396
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3120 KB)

    With the advent of solid-state devices, various methods have been devised to use induction motors for variable-speed drives. Most of these schemes use a variable-frequency source; that is, the power is supplied through a cycloconverter or inverter to the induction motor. However, the voltage obtained by such methods does not have a sinusoidal waveshape. To predict the performance, therefore, we ha... View full abstract»

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  • Digital Simulation of a High-Performance AC Drive System---Part II

    Publication Year: 1974, Page(s):397 - 402
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2830 KB)

    This is the second part of a paper describing the digital simulation of an ac drive system consisting of a three-phase induction motor supplied by a cycloconverter. In Part I, it is assumed that the cycloconverter is connected to a three-phase sinusoidal power source having negligible impedance. In this part, the complete system is simulated, including a three-phase synchronous generator, which in... View full abstract»

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  • A Comparative Study of Symmetrical Three-Phase Circuits for Phase-Controlled AC Motor Drives

    Publication Year: 1974, Page(s):403 - 411
    Cited by:  Papers (19)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2554 KB)

    The speed of an induction motor in certain types of drives can be adjusted by phase control of the applied voltage. Three pairs of inverse-parallel thyristors are required for three-phase bipolar symmetry, but several different arrangements of the thyristors and motor windings are possible. A direct series connection of thyristors and windings in each phase can be made; the three phases can then b... View full abstract»

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  • Synchronous Motor Drive with Current-Source Inverter

    Publication Year: 1974, Page(s):412 - 416
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2123 KB)

    Steady-state properties of a variable-speed drive using a synchronous motor fed by a controlled current-source inverter are derived from an equivalent circuit model, including saturation, and are confirmed by experiment. The system is shown to be stable under all operating conditions. Control strategy for open-loop operation is discussed. View full abstract»

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  • Comparison of Orthogonal-and Parallel-Flux Variable Inductors

    Publication Year: 1974, Page(s):417 - 423
    Cited by:  Papers (24)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2162 KB)

    Analytical methods for the study of orthogonal-flux systems and parallel-flux systems are presented. The analyses are applied to study and compare orthogonal-flux and parallel-flux controllable inductors. It is found that the two systems have a great qualitative similarity but differ in the magnitudes of similar effects. This paper lays the ground work to be used in the study of parametric power c... View full abstract»

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  • Orthogonal-Flux Parametric Voltage Regulator

    Publication Year: 1974, Page(s):424 - 427
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1158 KB)

    A mathematical analysis of the orthogonal-flux voltage regulator explains three important properties of the regulator-the output waveform is independent of disturbances in the input waveform, the output voltage shuts off automatically under low line voltage, and the output voltage shuts off automatically under an overload. The output voltage will not tun on again unless the overload is removed and... View full abstract»

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  • Parallel-Flux Parametric Voltage Regulator and Comparison with Orthogonal-Flux Parametric Voltage Regulator

    Publication Year: 1974, Page(s):428 - 430
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    An analysis of the parallel-flux parametric voltage regulator shows that it offers all the desirable characteristics of the orthogonal-flux parametric voltage regulator and that it offers several additional advantages. The most striking additional advantage is a much higher energy transfer capability, which implies higher efficiency in material utilization. View full abstract»

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  • Cable Pulling Design for Practical Applications in Modern Refineries

    Publication Year: 1974, Page(s):431 - 437
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2002 KB)

    Designing underground duct banks properly, in modern oil refineries and other industrial plants, requires the practical application of cable puling theory and design criteria. This paper presents all the cable pulling design equations and criteria necessary to design optimum economical underground conduit systems without causing damage or permanent distortion to the cables which will be pulled int... View full abstract»

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  • Chapter Chairmen

    Publication Year: 1974, Page(s):438 - 439
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  • IEEE Industry Applications Society

    Publication Year: 1974, Page(s): 440
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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