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IEEE Transactions on Industry Applications

Issue 6 • Nov. 1974

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  • 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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  • 1974 Industry Applications Society Annual Meeting

    Publication Year: 1974, Page(s):685 - 688
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  • Manpower, Money, and Materials, Plus Ecology and Energy, Too

    Publication Year: 1974, Page(s):689 - 691
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  • Improved Control Strategies for Electric Space Heating Processes

    Publication Year: 1974, Page(s):692 - 698
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2631 KB)

    This paper describes three new control strategies for the discontinuous control of electric space heating processes. Discontinuous controllers are invariably used for such processes in order to reduce the cost of control. The disadvantages of such systems are the large overshoots and undershoots, large periods of oscillation, and offset errors. The first strategy utilizing an ON-OFF controller wit... View full abstract»

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  • Mode-Dependent Time Constants in Three Forms of Space Heating

    Publication Year: 1974, Page(s):699 - 702
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1927 KB)

    The majority of published literature on system dynamics of space heating assumes that the constants in the exponential models for heating (active) and cooling (passive) are equal. Reports by Roots and his co-workers show that in one form of space heating the active and passive constants are not equal. This paper presents data from rigidly controlled experiments in an environmental test room under ... View full abstract»

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  • A New NEMA Standard for Room Thermostat Test Equipment

    Publication Year: 1974, Page(s):703 - 709
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5474 KB)

    This new equipment standard replaces one published in 1948. Significant improvements in the new equipment include a larger test chamber more suitable for testing line voltage electric heat thermostats and a chamber that operates in normal room ambient rather than 40°F. The equipment consists of an insulated test chamber in which air flow across a thermostat test wall is maintained at 30 ft/mi... View full abstract»

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  • Comparative Performance Capability of Solid-State Controls for In-Space Electric Heating Systems

    Publication Year: 1974, Page(s):710 - 730
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    In-space electric heating systems, such as baseboard, ceiling cable, wall fan, and radiant panel heaters, are customarily controlled by line-voltage or low-voltage thermostats. Tests show that the overall performance of such a heating system is significantly affected by the choice of thermostat used. Recent tests have shown that solid-state controls applied to such heaters can provide improved hea... View full abstract»

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  • Predicting Control Performance of Residential Heating Systems with an Analog Computer

    Publication Year: 1974, Page(s):731 - 740
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4631 KB)

    A properly designed residential heating system must provide homeowner comfort under a broad range of operating conditions. Doing this with an economically priced system requires knowledge of the many variables affecting system performance. A typical heating system including the house, furnace, heat conveyance, and thermostatic control has been simulated on an analog computer facility. By varying c... View full abstract»

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  • Comfort Control for Central Electric Heating Systems

    Publication Year: 1974, Page(s):741 - 745
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3366 KB)

    Central electric heating systems typically consist of a number of low-mass heating elements. Due to this low mass, fast rates of temperature rise and fall will occur in the furnace. The end result can be large and uncomfortable temperature swings in the living space. In order to provide good comfort, the control system used must take into account the characteristics of an electric furnace. An anal... View full abstract»

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  • Analytical Predictions of Residential Electric Heating System Performance

    Publication Year: 1974, Page(s):746 - 750
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    Performance of a heating system depends on the interrelationship of its component parts. One measure of performance is the cyclic room air temperature swings. This paper presents results of analog computer tests of the predominant factors influencing such air temperature swings: design capacity of the heating system, time constant of the heater, the space itself and furnishings, and the thermostat... View full abstract»

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  • The Utility Looks at Load Profiles of All-Electric Buildings

    Publication Year: 1974, Page(s):751 - 760
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3095 KB)

    It is becoming the standard both to heat and to cool occupied space in buildings. Electricity is used almost universally for cooling, and increasingly it is also used to heat. The integration of these loads with other power requirements is supplied by the utility. The magnitude and profile of the load determines the facilities needed by the utility. This paper supplies considerable data on the cha... View full abstract»

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  • Field Performance of Steam and Hot Water Electric Boilers

    Publication Year: 1974, Page(s):761 - 769
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (12687 KB)

    This paper discusses observations on electric steam and hot-water boilers. The increased popularity of both steam and hot water generation by electricity is readily apparent. The advantages of this type of heat generation lend themselves to many current applications in the heating, ventilating, and air conditioning field. Sizes of boilers have been increasing through the years, with no apparent en... View full abstract»

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  • Data Acquisition for Automated Track Inspection

    Publication Year: 1974, Page(s):770 - 777
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9332 KB)

    The purpose of this paper is to describe the use of a minicomputer in an integrated track inspection program. The basic elements of such a program include the measuring vehicle, data reduction process, and presentation of data to the various management levels. The paper describes such a system which has been in use on the Southern Railway for over five years and points out desirable changes, probl... View full abstract»

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  • Production and Electrostatic Precipitation of Combustion Nuclei by an Electrified Propane--Air Flame

    Publication Year: 1974, Page(s):778 - 786
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    The results are given of an investigation into the production and electrostatic precipitation of combustion nuclei by an electrified propane-air flame. The apparatus consisted of a burner with a dc potential applied which was supported inside a grounded metal combustion chamber where the generation and removal of particles could be studied. A mathematical and experimental analysis of transient com... View full abstract»

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  • A New and Simple Three-Phase Thyristor Inverter for Variable Frequency Operation

    Publication Year: 1974, Page(s):787 - 796
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3757 KB)

    A new three-phase inverter circuit is described and analyzed for the condition of an inductive load. The circuit does not require an auxiliary supply or any auxiliary thyristors to assist commutation. All commutation capacitors are placed across the dc side but are used in the same way as capacitors that are normally used for ac side commutation. The output voltage of the inverter is a quasi sine ... View full abstract»

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  • Overcurrent Protection Criteria in Large AC to DC Thyristor Converters

    Publication Year: 1974, Page(s):797 - 805
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3420 KB)

    The paper refers to thyristor ac to dc converters for industrial applications, nonreversing and reversing, in full-controlled three-phase bridge connection, as used for armature supply of dc motors and excitation of large ac generators. The possible causes of incorrect operation as well as the types of fault currents produced are investigated; the means available to interrupt or limit the value an... View full abstract»

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  • Cycloconvertor-Controlled Synchronous Machines for Load Compensation on AC Power Systems

    Publication Year: 1974, Page(s):806 - 813
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2827 KB)

    The cycloconverter provides a novel means for the speed control of a wound-rotor machine. When the wound-rotor machine is coupled to a large flywheel and the cycloconverter is used for control, the effects of cyclic loads on an ac power system can be compensated by ``pumping'' energy into and out of the flywheel. View full abstract»

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  • A Portable Cool-Surface Induction Cooking Appliance

    Publication Year: 1974, Page(s):814 - 822
    Cited by:  Papers (11)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6561 KB)

    A developmental single-element induction range appliance with a smooth-surface ceramic cooktop is described. The appliance demonstrates the versatility of induction cooking and characteristic features of safety, cleanliness, high efficiency, and rapid response. Tests indicate that performance surpasses that of conventional range elements of equal power input. The circuit is designed to achieve min... View full abstract»

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  • 1974 Index IEEE Transactions on Industry Applications Vol. IA-10

    Publication Year: 1974, Page(s):822a - 822c
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  • Subject index

    Publication Year: 1974, Page(s):822c - 822g
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  • Chapter Chairmen

    Publication Year: 1974, Page(s):822-h - 822-i
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  • IEEE Industry Applications Society

    Publication Year: 1974, Page(s): 822-j
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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