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IEEE Transactions on Industry Applications

Issue 4 • Date July 1985

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Displaying Results 1 - 25 of 41
  • IEEE Transactions on Industry Applications

    Publication Year: 1985
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    Freely Available from IEEE
  • IEEE Industry Applications Society

    Publication Year: 1985, Page(s): c2
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    Freely Available from IEEE
  • Table of contents

    Publication Year: 1985, Page(s):837 - 838
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    Freely Available from IEEE
  • IAS Invites You to Toronto October 6-11, 1985

    Publication Year: 1985, Page(s): 839
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    Freely Available from IEEE
  • The Future of Electrostatics--- A Perspective of the Electrostatics Processes Committee

    Publication Year: 1985, Page(s):840 - 841
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1495 KB)

    First Page of the Article
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  • Understanding Asymmetry

    Publication Year: 1985, Page(s):842 - 848
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2385 KB)

    When calculated fault levels lie very close to circuit breaker interrupting ratings, a thorough evaluation of the asymmetrical currents involved may become the deciding factor between breakers of varied capabilities and costs. The increasing emphasis on efficiency tends to exacerbate concerns in this area. An attempt is made to help the reader visualize the events of the first few cycles after fau... View full abstract»

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  • Power System Requirements for Thyristor Drives

    Publication Year: 1985, Page(s):849 - 852
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1163 KB)

    Thyristor drives with their nonsinusoidal currents and momentary commutation shorts are becoming more prevalent on ac power systems. The effects of ac power line inductance on line pollution and successful operation of the drive and common drives on the same feeder will be evaluated. View full abstract»

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  • Report of Large Motor Reliability Survey of Industrial and Commercial Installations, Part I

    Publication Year: 1985, Page(s):853 - 864
    Cited by:  Papers (189)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2779 KB)

    The Power Systems Reliability Subcommittee of the IEEE Industry Applications Society recently initiated a survey of the reliability of large motors in industrial and commercial installations in keeping with its commitment to support or update results of the survey published in 1973 and 1974. Moreover, the new survey has emphasized and expanded on one type of electrical equipment only. The previous... View full abstract»

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  • Report of Large Motor Reliability Survey of Industrial and Commercial Installations, Part II

    Publication Year: 1985, Page(s):865 - 872
    Cited by:  Papers (96)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1099 KB)

    In 1983 the initial results of an IEEE survey on large motors was published and presented at the 1983 I&CPS Conference. This was the first presentation of the results of a survey completed in 1982 of motors larger than 200 hp and no older than 15 years. The results presented here of the 1982 survey are to investigate the data further to address questions generated by the results of the earlier pap... View full abstract»

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  • Busway Short Circuit Testing Procedures

    Publication Year: 1985, Page(s):873 - 875
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1120 KB)

    Every electrical system component must have recognizable predictable characteristics in order to be usable in today's modern electrical distribution system. The use of busways for power distribution in commercial and industrial buildings has become very popular in recent years due, in part, to the fact that it offers the requisite proven predictable electrical and mechanical characteristics. This ... View full abstract»

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  • RF Susceptibility of an EEG and Considerations for Attenuating RFI in Hospitals

    Publication Year: 1985, Page(s):876 - 881
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5281 KB)

    This paper discusses the testing accomplished to determine the radio frequency (RF) susceptibility of a typical electroencephalograph (EEG) and to determine the effectiveness of lead X-ray shielding as an RF shield. New data are presented on threshold field strengths and frequencies which just begin to cause interference on a typical EEG brain scan. Results are combined with data from other studie... View full abstract»

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  • Evaluation of Locomotive Cable Insulation Life Under Varying Temperature Loading

    Publication Year: 1985, Page(s):882 - 888
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2466 KB)

    A method is described for evaluating the life of cable insulation subjected to the varying temperature and time electrical service conditions of a locomotive. This type of evaluation becomes more important as the current ratings of higher fuel efficiency locomotives are increased, subjecting cable insulation materials to higher operating temperatures. Insulations evaluated by this proposed techniq... View full abstract»

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  • User-Friendly Touch Controls for Home Appliances

    Publication Year: 1985, Page(s):889 - 895
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2858 KB)

    Appliances that use more than one cooking mode or have multiple cooking zones or cavities require more controls than their single-mode single-cavity counterparts. The addition of multiple control sets complicates panel appearance and hinders user understanding. A control system is described which can access an unlimited number of functions through a keyboard that uses three dynamically alterable k... View full abstract»

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  • PTC Heating Elements---Background Analysis and Design Attributes

    Publication Year: 1985, Page(s):896 - 898
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1355 KB)

    The positive temperature coefficient (PTC) generally defines a substance in which electrical resistance increases when temperature increases. In present usage, PTC refers to certain semiconductive thermistors which have significant positive temperature coefficients over a defined range of temperatures. PTC's have varied appliance applications, including temperature sensing, current controlling, an... View full abstract»

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  • Automatic Small Motor Noise Measuring Equipment

    Publication Year: 1985, Page(s):899 - 905
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6040 KB)

    Measuring equipment for automatically testing the noise of small fan induction motors used in domestic appliances has been developed. This equipment has taken the place of the current inspection method, which uses man's trained sense of hearing. In order to develop this equipment, the following investigations were performed. First, through acoustic and vibration analysis, we clarified that various... View full abstract»

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  • A High-Efficiency Audio Power Amplifier Using a Self-Oscillating Switching Regulator

    Publication Year: 1985, Page(s):906 - 911
    Cited by:  Papers (22)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3193 KB)

    A new high-efficiency audio power amplifier has been developed. This amplifier consists of a conventional power amplifier and a self-oscillating switching power supply which is arranged to vary the power supply output voltage according to the input signal voltage. The new amplifier achieves a higher efficiency than the conventional amplifier, by making the collector voltage of the emitter-follower... View full abstract»

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  • Positive Corona Pulse Characteristics from Two Interacting Needles in Air

    Publication Year: 1985, Page(s):912 - 918
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2856 KB)

    A set of oscillograms has been obtained to investigate the development of pulse mode in the positive discharge from a single and twin interacting thin needles. The transition from burst pulses to continuous glow in laboratory air is discussed. When the needles are brought close together, the onset voltage increases with a subsequent decrease of the corona current for the same applied voltage. Not ... View full abstract»

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  • A Study of the Mechanisms of Particle Buildup on Single Rods in Dielectrophoretic Separation

    Publication Year: 1985, Page(s):919 - 925
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2737 KB)

    A theoretical review of the particle buildup processes involved in dielectrophoretic capture of dielectric and conducting particles is presented. Trajectories are calculated, and the capture radius is plotted against the electric field and flow parameters. Photographic data of capture of barium titanate particulates are shown for the axial case, using a fine steel rod in laminar flow. A correlatio... View full abstract»

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  • Dielectrophoresis of Lossy Dielectrics

    Publication Year: 1985, Page(s):926 - 929
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1875 KB)

    Dielectrophoresis of a solid particle in a liquid medium is usually studied under the assumption that the dielectrics are ideal. Real dielectrics, however, exhibit nonzero conductivities, and the results are sometimes unpredictable. The particular case of a lossy dielectric sphere in a lossy dielectric liquid is considered. The dielectrophoretic motion following the application of a dc field is st... View full abstract»

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  • Multipole Corrections to Dielectrophoretic Force

    Publication Year: 1985, Page(s):930 - 934
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1795 KB)

    Calculation of the dielectrophoretic (DEP) force on a neutral dielectric partide in a nonuniform electric field is simplified by using the effective dipole method. Once the instantaneous effective dipole moment peff(t) has been correctly identified using Gauss's law, then the expression (peff(t)¿)E0(t) is used to determine the force on the particle. Recent work has demonstrat... View full abstract»

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  • The Effect of Back Corona in a Laboratory Scale Electrostatic Precipitator

    Publication Year: 1985, Page(s):935 - 938
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1916 KB)

    The results are presented of a study on the influence of back corona on the performance of a laboratory scale wire-plate precipitator, with the plate to plate spacing as a parameter. Back corona is introduced into the precipitator by increasing the ash resistivity, attained by increasing the ash-laden gas temperature from 21 ° C (a no back discharge condition) to 104 ° C. Performance is evaluate... View full abstract»

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  • A Review of Electrostatically Augmented Gas Cleaning Devices for Particulate Removal

    Publication Year: 1985, Page(s):939 - 949
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5276 KB)

    Increased use of coal as an energy source and strict regulation of environmental emissions have resulted in increased interest in gas stream cleanup. Particulate control is also of great importance for turbine protection in the pressurized fluidized-bed combustion/combined cycle (PFBC/CC concept for the generation of electricity. Many types of particulate removal devices are commercially available... View full abstract»

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  • The Design and Evaluation of an Ion-Drag Dielectric Pump to Enhance Cooling in a Small Oil-Filled Transformer

    Publication Year: 1985, Page(s):950 - 955
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5138 KB)

    An ion-drag dielectric pump consisting of a closed loop of glass tubing has been used to investigate the pumping of transformer oil. The velocity of the oil has been measured with a multiplicity of design variables: electrode spacing and density of field enhancing points, cofield temperature gradients, waveshape, and pressure heads. The observed velocities under our experimental conditions are sev... View full abstract»

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  • Analysis of Induction Motor Subjected to Nonsinusoidal Voltages Containing Subharmonics

    Publication Year: 1985, Page(s):956 - 965
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3171 KB)

    Modulation techniques can be used in thyristor circuits to obtain frequency changing that is useful for ac motor speed control. Some of the modulation techniques result in three-phase applied voltage waveforms that contain subharmonics of the supply (carrier) frequency as well as higher harmonics. An analytical technique is developed for predicting the performance of an induction motor when subjec... View full abstract»

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  • Analysis of PWM Techniques Using Uniform Sampling in Variable-Speed Electrical Drives with Large Speed Range

    Publication Year: 1985, Page(s):966 - 974
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2932 KB)

    In order to minimize motor losses and avoid torque pulsations in a variable-speed electric drives, it is necessary that, at low speeds, the output voltage of the inverter is characterized as far as possible by a sinusoidal shape with variable amplitude and frequency. To this aim, inverters controlled by pulsewidth modulation techniques are employed. In particular, when the subharmonic method is us... 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