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IEEE Transactions on Industry Applications

Issue 6 • Nov. 1982

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Displaying Results 1 - 25 of 32
  • Table of contents

    Publication Year: 1982, Page(s): c1
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  • IEEE Industry Applications Society

    Publication Year: 1982, Page(s): c2
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  • 1982 Industry Applications Society Awards

    Publication Year: 1982, Page(s):581 - 583
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  • Conference Highlights

    Publication Year: 1982, Page(s):584 - 585
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  • Education, Productivity, and the Concept of Work

    Publication Year: 1982, Page(s):586 - 592
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  • Motor Contribution During Three-Phase Short Circuit Fault

    Publication Year: 1982, Page(s):593 - 599
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2062 KB)

    One of the major factors to be considered in selecting the ratings of electrical equipment (circuit breakers, bus bar bracing, etc.) is the level of three-phase short circuit current available at the equipment location in the system. The total three-phase short circuit current at a faulted point includes both the currents from the power source (such as electric utility company or in-plant generato... View full abstract»

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  • Grounding Where Corrosion Protection is Required

    Publication Year: 1982, Page(s):600 - 607
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2910 KB)

    Information is provided on the conduction of electric currents to and through the earth by an electrode grounding system that will prevent corrosion and still be effective for grounding purposes. The deterioration of underground metallic structures caused by electrolysis (galvanic currents) is discussed. Corrective measures with respect to grounding to reduce corrosion is included. Galvani's studi... View full abstract»

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  • Spooks on the Power Line? Induction Generators and the Public Utility

    Publication Year: 1982, Page(s):608 - 615
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2643 KB)

    Small-scale industrial waste heat recovery and cogeneration schemes are increasingly popular. Simplicity and low cost often favor induction generators, but many engineers lack experience with them. Public utilities wonder if their systems (and other customers) will see dangerous overvoltage, frequency drift, harmonics, or uncontrolled backfeed of power when induction generators are on-line. The co... View full abstract»

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  • Are Energy Management Systems Cost Effective?

    Publication Year: 1982, Page(s):616 - 625
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3130 KB)

    While the market for energy management systems (EMS) has been exploding, there are many indications that the pendulum of high expectations may have swung too far. A simple seven-day time clock can usually provide 80-95 percent of the potential savings of many EMS features. For several hundred additional dollars, a small microprocessor based time clock with features such as automatic holiday and da... View full abstract»

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  • Solvent Decontamination of PCB Electrical Equipment

    Publication Year: 1982, Page(s):626 - 631
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2210 KB)

    Polychlorinated biphenyls (PCB's) which are used as dielectric fluids in transformers and capacitors, are toxic relatively inert materials which are persistent and widespread in the environment and biomagnified in the food chain. Disposal of contaminated electrical equipment requires removal of the majority of PCB's. Various solvent cleaning techniques have been investigated for decontamination of... View full abstract»

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  • Generator Backup Overcurrent Protection

    Publication Year: 1982, Page(s):632 - 640
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2375 KB)

    A concern that the characteristics and correct application of the generator backup relay are misunderstood is addressed in this report to the Power Systems Protection Committee. It is inherently a secure device, and rarely has the opportunity to operate in its intended capacity. So the question was asked, ``Do generator backup overcurrent relays really protect anything?'' In response a description... View full abstract»

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  • Advances in Multiconductor Jointing Systems for Medium Voltage Solid Dielectric Cables Using Heat-Shrinkable Components

    Publication Year: 1982, Page(s):641 - 646
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4772 KB)

    Heat-shrinkable polymeric materials are now being used to reinsulate joints in single- and three-conductor armored cables, particularly on cables used by industry for 15-kV distribution systems. A theoretical evaluation is given of the electrical stress control in the joint insulation system and the development of a joint for three-conductor cables, which eliminates the need for complex fittings. ... View full abstract»

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  • Electromagnetic Interference Measurements of Fluorescent Lamps Operated with Solid-State Ballasts

    Publication Year: 1982, Page(s):647 - 652
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2689 KB)

    Solid-state ballasts were placed in fluorescent lamps in various areas of a hospital to determine if these high-frequency systems would adversely affect any hospital operations. The general areas tested included a lobby and an office space. Potentially sensitive areas containing hospital diagnostic and monitoring equipment, including a computerized axial tomography (CAT) scanning room, an electroe... View full abstract»

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  • Energy Savings with Solid-State Ballasts in a Veterans Administration Medical Center

    Publication Year: 1982, Page(s):653 - 665
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3807 KB)

    More than 200 solid-state fluorescent ballasts were installed in representative areas of a federal medical center in Long Beach, CA, to determine the cost effectiveness of such an installation. The power and illumination levels in the test sites were measured first as they initially existed, then after the fixtures were cleaned and relamped with energy-saving fluorescent lamps, and finally after t... View full abstract»

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  • Charge Density, Electric Field, and Particle Charging in Electrostatic Precipitation with Back Ionization

    Publication Year: 1982, Page(s):666 - 672
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2605 KB)

    A quantitative model is developed for the description of charge density and electric field structures and consequent particle charging characteristics of a cylindrical precipitator with back ionization at the collection electrode. Results are compared with the results of an experimental study done some time ago by Penney and Hewitt. Solution of the governing set of equations involves iterative num... View full abstract»

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  • Electrostatic Deposition of Pesticide Sprays onto Ionizing Targets: Charge- and Mass-Transfer Analysis

    Publication Year: 1982, Page(s):673 - 679
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2665 KB)

    Electrostatic deposition of charged pesticide sprays onto biological targets may be undesirably limited under certain operational conditions by gaseous-discharge currents induced to flow between the incoming charged spray cloud and grounded points on the target (e.g. leaf tips). Spray deposition and charge transfer onto idealized target models as functions of target characteristics and intensity o... View full abstract»

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  • Analysis and Optimization of a Complementary Current Impulse Commutated Inverter

    Publication Year: 1982, Page(s):680 - 690
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3357 KB)

    The operation, analysis, and optimization of a complementary impulse commutated inverter using current impulse instead of voltage impulse for commutation is presented. The operation of the inverter is described, and its salient features are discussed in relation to other commonly used inverters. The trapped energy in the commutation circuit is studied, and methods of feeding back or dissipating th... View full abstract»

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  • Why Overload Relays Do NOT Always Protect Motors

    Publication Year: 1982, Page(s):691 - 697
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2302 KB)

    Various common situations are discussed in which overload relays do not always adequately protect today's motors. NEMA class designations will be explained along with their relevance to motor damage curves. Single phasing and voltage unbalance will also be shown to cause motor heating beyond that which the conventional overload relay is designed to protect. Viable solutions exist for these problem... View full abstract»

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  • Selection and Application of Variable Speed Motor Drive Systems

    Publication Year: 1982, Page(s):698 - 702
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1252 KB)

    Several methods of varying speed are available. The considerations to be included in the selection of all-electric drive systems such as eddy current couplings, direct current drives, and ac inverters are presented. The intent is to point out some of the factors which should be considered when evaluating an application, then to incorporate these into the system design. Because each type drive has ... View full abstract»

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  • Performance Improvement of Current Source Inverter-Fed Induction Motor Drives

    Publication Year: 1982, Page(s):703 - 711
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4019 KB)

    A high performance variable speed drive system using current source inverter fed induction motor is described. The principle of the drive control is based on the field-orientation method, where the stator current is used as the vector quantity. To improve the system response and to operate smoothly at low speed, a current pulsewidth modulation (PWM) control is provided by means of a feedback loop.... View full abstract»

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  • Performance of a Chopper-Controlled DC Drive with Elastic Coupling and Periodically Varying Load Torque

    Publication Year: 1982, Page(s):712 - 727
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2845 KB)

    A chopper-fed separately excited direct current (dc) motor driven electromechanical system is analyzed. The influence of inherently present elasticity of the shaft on the performance of the drive with a load torque periodic in nature is investigated. A mathematical model of the system is given and the equations are solved using a noniterative technique. Closed-form solutions for system performance... View full abstract»

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  • Digitally Controlled DC Drive Motors

    Publication Year: 1982, Page(s):728 - 735
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5738 KB)

    Computer control methods including finite-settling-time (dead-beat) response and feedforward are applied to speed control of a dc motor with special emphasis on minimizing speed changes caused by load changes. This is presented in a manner to indicate the essential sequence of steps in developing such control systems. This is supported by reference to sources where the theoretical aspects of the d... View full abstract»

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  • Large Grinding Mill Drives Update

    Publication Year: 1982, Page(s):736 - 744
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3364 KB)

    The trend to larger grinding mills with the attendant increase in motor drive horsepower has affected the options for drive equipment. Also the development of large adjustable speed drives has created new possibilities for mill drives. Grinding mill torque characteristics, drive requirements, and torsional excitations of the various types of available drives will be briefly reviewed. View full abstract»

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  • Average Power Factor and Power Efficiency for Traction Duty Cycles

    Publication Year: 1982, Page(s):745 - 750
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1727 KB)

    The line-side characteristics of ac traction drives are usually specified in terms of the power factor. By standards, this factor is defined for steady state conditions only. An average power factor throughout a load cycle according to the normal operation of a railway drive is presented. Different approaches to an average power factor have been reported in the literature. The approach presented h... View full abstract»

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  • Digital Control in Glass Processing

    Publication Year: 1982, Page(s):751 - 754
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    The installation of digital control in the glass industry is accelerating. The acceptance, reliability, and capabilities of digital control in the glass manufacturing process are discussed, along with the features and benefits. View full abstract»

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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