IEEE Transactions on Industry Applications

Issue 2 • March 1979

Filter Results

Displaying Results 1 - 21 of 21
  • Table of contents

    Publication Year: 1979, Page(s): c1
    Request permission for commercial reuse | PDF file iconPDF (1038 KB)
    Freely Available from IEEE
  • IEEE Industry Applications Society

    Publication Year: 1979, Page(s): c2
    Request permission for commercial reuse | PDF file iconPDF (190 KB)
    Freely Available from IEEE
  • Why We Need to Renew the United States' Technology Innovation Effort

    Publication Year: 1979, Page(s):117 - 120
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1569 KB)

    First Page of the Article
    View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Energy: The Larger Context

    Publication Year: 1979, Page(s):121 - 123
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2923 KB)

    First Page of the Article
    View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Grounding for Emergency and Standby Power Systems

    Publication Year: 1979, Page(s):124 - 136
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3951 KB)

    The basic functions of system and equipment grounding is presented, fundamental grounding requirements for service-supplied and separately derived power systems which operate at 600 V or less are discussed. Several grounding arrangements for alternate power supplies are also discussed and graphically illustrated. The grounding requirements are primarily derived from the National Electrical Code, N... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Charging Current Data for Guesswork-Free Design of High-Resistance Grounded Systems

    Publication Year: 1979, Page(s):136 - 140
    Cited by:  Papers (48)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2830 KB)

    The design of high-resistance grounded power systems requires the sizing of the grounding resistor to provide a current flow equal to or greater than three times the system charging current (Ico) of each phase. In industrial power systems the insulated power cables are a major source of system charging current which flows into line-to-ground faults. Data are presented which will allow cable... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Report of Switchgear Bus Reliability Survey of Industrial Plants and Commercial Buildings

    Publication Year: 1979, Page(s):141 - 147
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1646 KB)

    The Power Systems Reliability Subcommittee of the IEEE Industry Applications Society has been conducting surveys of the reliability of electrical equipment in industrial plants and commercial buildings. Switchgear bus was included in a previous survey published in 1973 and 1974 [1] and generated some controversy concerning bare and insulated bus. For this reason, and also for an ongoing effect to ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Molded-Case Circuit Breakers - Is There Danger in Present Rating Methodology?

    Publication Year: 1979, Page(s):148 - 153
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1566 KB)

    Molded case circuit breakers have proven to be quite versatile, with increasing capabilities being designed into new products. Interrupting capacity and adjustability of tripping times and magnitude are constantly being improved. This proliferation has developed so widely that applications may appear much simpler than actual and may be marginal even if executed in accordance with certified tests a... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Discussion

    Publication Year: 1979, Page(s):153 - 154
    Request permission for commercial reuse | PDF file iconPDF (1381 KB)
    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Utilization and Rating of Machine Commutated Inverter-Synchronous Motor Drives

    Publication Year: 1979, Page(s):155 - 164
    Cited by:  Papers (20)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2475 KB)

    For a dc-link type variable frequency inverter-synchronous motor drive, the relationship between the operation of the machine commutated thyristor inverter and the characteristics of the synchronous motor are analyzed. The factors of maximum motor utilization, the required rating of the machine-side converter (inverter), and the rating and input power factor of the line-side converter (rectifier) ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Analysis of Transient Firing Angle in Reversible Thyristor Drive Speed Regulator for Mill Motor

    Publication Year: 1979, Page(s):165 - 175
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2690 KB)

    When designing a high-response thyristor-drive speed regulator with internal multicontrol loops for a rolling mill motor, the behavior of the transient firing angle must be taken into consideration to ensure consistent thyristor switching, which is often neglected, and to achieve the required dynamic performance. The critical conversion modes in which the minimum transient firing angles in rectifi... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Digital Phase-Locked Loop for Induction Motor Speed Control

    Publication Year: 1979, Page(s):176 - 182
    Cited by:  Papers (14)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2701 KB)

    The study of the speed control of induction motor drive using digital phase-locked loop is discussed. The block diagram and the control circuitry have been outlined. A mathematical model has been developed to predict the system performance. Different types of filters have been considered as part of the feedback control system, and their effects on the overall system behavior have been qualitativel... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Synchronous Thyristorized DC Motor Drive

    Publication Year: 1979, Page(s):183 - 188
    Cited by:  Papers (10)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1604 KB)

    A thyristorized dc motor speed control system using phase-locked loop principle is presented. Linear model analysis is given and control performance is studied in terms of system parameters using the root-locus technique. Practical design aspects are discussed, and experimental results obtained with a prototype system intended for a separately excited ¼-hp dc motor are given. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Transfer function of a controlled-current inverter with purely inductive load

    Publication Year: 1979, Page(s):189 - 192
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1077 KB)

    A controlled-current inverter can be regarded as an amplifier of an ac current signal: the direct current input is proportional to the magnitude of the desired ac output and the thyristor gating signals correspond to the desired frequency and phase of the output. The actual output is attenuated and phase-shifted by amounts that depend on the frequency; the inverter has a transfer function that can... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Power Factor Improvement with a Modified Phase-Controlled Converter

    Publication Year: 1979, Page(s):193 - 201
    Cited by:  Papers (34)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2725 KB)

    A modified phase-commutated converter with an improved power factor (PF) is presented and is analyzed for both rectifying and inverting modes. The optimal power factor firing control is formulated while taking into account commutation overlaps. Different modes of converter operation are identified and are analyzed in terms of reactive power requirements, power factor, and harmonic distortion on bo... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Case for High-Fidelity Analysis of Nonlinear Electromechanical Torsional Dynamics, or ``Are You Really Sure It Won't Destroy Itself?''

    Publication Year: 1979, Page(s):201 - 209
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5101 KB)

    Increasing drive system size and complexity has produced a trend towards higher risk of premature component failure due to excessive dynamic torsional stresses. There is a need for an accurate modeling of the total drive system including nonlinearities and component interactions. Effect of model ``fidelity'' on the predicted dynamic torques in several drive systems which have been studied are disc... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Microcomputer-Based Supervisory System for a Mercury-Cell Chlorine Plant

    Publication Year: 1979, Page(s):209 - 213
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4539 KB)

    The hardware and software structure of a microcomputer-based supervisory system for a mercury-cell chlorine plant. The system monitors data for 52 chlorine cells and provides control of each cell for specified low and high set points which are functions of currents and voltages. The microcomputer consists of an 8080A microprocessor using 14 K of PROM and 17 K of RAM. The software is designed for a... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • An Update on Rate Reform and Power Demand Control Load Data Working Group

    Publication Year: 1979, Page(s):214 - 220
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2204 KB)

    Utility rate reforms could be so drastic that they would make today's method of analyzing demand control system economics totally absolute. The latest rate reforms and demand control techniques are discussed. Maximum flexibility of demand control can be achieved with the aid of a computer since the software can be easily changed to match load or billing variations. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Reliability Considerations in Cement Plant Power Distribution

    Publication Year: 1979, Page(s):221 - 227
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1656 KB)

    Cement plant power-distribution system reliability from the design criteria point of view and the protective relaying required to enhance it is described. Failure rates of various types of equipment and an examination of what leads to premature failure are included. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • An invitation to membership

    Publication Year: 1979
    Request permission for commercial reuse | PDF file iconPDF (790 KB)
    Freely Available from IEEE
  • IEEE Industry Applications Society Constitution and Bylaws January 1979

    Publication Year: 1979, Page(s):i - x
    Request permission for commercial reuse | PDF file iconPDF (2903 KB)
    Freely Available from IEEE

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