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IEEE Transactions on Industry and General Applications

Issue 6 • Date Nov. 1969

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  • IEEE Transactions on Industry and General Applications - Table of contents

    Publication Year: 1969, Page(s): c1
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  • IEEE Industry and General Applications Group

    Publication Year: 1969, Page(s): c2
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  • 1969 IGA Group Annual Meeting

    Publication Year: 1969, Page(s):649 - 653
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  • Management's View of Reliability

    Publication Year: 1969, Page(s):654 - 656
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    First Page of the Article
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  • Service Supply Line Protection

    Publication Year: 1969, Page(s):657 - 671
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3884 KB)

    The important considerations involved in the protection of various electrical supply line circuits to consumer loads are presented. Supply system disturbances are first reviewed as to type, duration, magnitude, and cause. The sensitivity of various kinds of consumer loads are listed and analyzed. Methods of minimizing the effect of power supply system disturbances are given. These corrective measu... View full abstract»

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  • General Analysis of Three-Phase Inverters

    Publication Year: 1969, Page(s):672 - 679
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2706 KB)

    A method of analysis for three-phase inverters is described. The method is based on Park vectors [1], [2] and predicts the waveforms of inverter quantities under various load conditions. The procedure discussed can be used to determine the commutation sequence of a pulsewidth modulated inverter. The current distribution of the inverter can be obtained from the current vector. The vectors of the in... View full abstract»

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  • Modes of Operation of Three-Phase Inverters

    Publication Year: 1969, Page(s):680 - 685
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (817 KB)

    Three-phase inverters have different modes of operation, while the load power factor angle varies over a 3600 range. A method of analysis is described which makes it possible to find these modes of operation. The method is based on the use of Park vectors. These vectors-generally used in the analysis of three-phase ac machines-are composed of the instantaneous values of a three-phase system. Volta... View full abstract»

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  • A Solid-State Supply for Induction Heating and Melting

    Publication Year: 1969, Page(s):686 - 692
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2729 KB)

    The paper describes a practical solid-state phase and frequency converter. Three-phase input power is converted to single-phase power of higher variable frequency output power, without the use of a dc link. A brief description of the circuit is given, followed by simplified theoretical considerations and actual experimental results. View full abstract»

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  • Successful Uninterruptible Power Systems for Computers

    Publication Year: 1969, Page(s):693 - 698
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1971 KB)

    The computer is often utilized in a less than ideal environment, but where an inversely proportional reliability is required. In Vietnam, Air Force planes are routed, controlled, and logistically dispersed by computer-processed military data. Soon civilian aircraft in our home skies will be similarly monitored-by necessity, not choice. Process-control applications are making possible efficiencies ... View full abstract»

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  • Optimum Design of an Input-Commutated Inverter for AC Motor Control

    Publication Year: 1969, Page(s):699 - 705
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3209 KB)

    In any forced commutated inverter scheme, a certain amount of energy is "trapped" at the end of the commutation interval. It is desirable to minimize this level of trapped energy for best circuit component utilization. An input commutation circuit, suitable for single or three-phase inverter circuits, is introduced as a model. A mathematical analysis of the circuit yields expressions for circuit c... View full abstract»

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  • The Power Distribution System at Bell Telephone Laboratories, Holmdel, N. J.

    Publication Year: 1969, Page(s):706 - 709
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    The power distribution system serving the Bell Telephone Laboratories, Holmdel, N. J., is described. Operation of the system is discussed with emphasis on reliability achieved with dual public utility feeders, and with primary and secondary selective load center design. View full abstract»

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  • What to Look for in a Low-Voltage Unit Substation

    Publication Year: 1969, Page(s):710 - 719
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3454 KB)

    Many considerations from location to breaker selection in the application of low-voltage unit substations in the cement industry are presented. Five basic topics are covered in the following order: general considerations, high-voltage section, transformer section, breaker section, and device coordination. Features of the new solid-state trip device now available on low-voltage circuit breakers plu... View full abstract»

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  • Maintenance of Computers and Instrumentation

    Publication Year: 1969, Page(s):720 - 726
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    The major problems of computer and instrumentation maintenance are discussed with the aim of reducing downtime. To achieve this goal the maintenance engineer must possess a thorough knowledge of all aspects of the computer and its operation. View full abstract»

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  • Determination of Maximum Transient Strains in Elastic-Strip Processes

    Publication Year: 1969, Page(s):727 - 734
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2326 KB)

    For a processing line consisting of m dc-motor-driven pinch roll pairs connected by a massless strip, a set of m ¿1 algebraic equations has been derived to solve for the maximum tensions in the m-1 strip segments. The results are compared to the classical approach which consists of solving a system of simultaneous differential equations made up of m equations for motor characteristics and m-1 equ... View full abstract»

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  • Temperature-Control Strategies for Industrial Processes

    Publication Year: 1969, Page(s):735 - 739
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (770 KB)

    New temperature-control strategies become readily available with the small low-priced digital computer. These are outlined with emphasis upon established processes embodying years of empirical experience, so that the introduction of new temperature-control strategies must be gradual. In most processes time-shared control will be the first objective, so the effect of sampled control upon classical ... View full abstract»

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  • Environmental Control of Electrical Equipment Rooms

    Publication Year: 1969, Page(s):740 - 751
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4418 KB)

    The various elements of environmental control for electrical equipment rooms, motor rooms, and control rooms are discussed. Positive pressurization, air filtration, ventilating systems, fans, air conditioning, and air control devices are described, including design considerations and economic comparisons of equipment and systems currently available. Data comparing efficiencies, first cost, and mai... View full abstract»

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  • Design and Conception of Integrated Automated Cement Plants

    Publication Year: 1969, Page(s):752 - 758
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2668 KB)

    The subject of automation as related to the conception of cement plants is described in the light of its application in new plants. The influence it might have on existing installations is explained. View full abstract»

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  • Motor Starting with Capacitors

    Publication Year: 1969, Page(s):759 - 765
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5540 KB)

    A portion of the high-inrush incident to starting of large synchronous motors can be supplied by static capacitors because of the low power factor of the inrush kVA. However, care must be exercised in application of the static capacitors so as to avoid harmful resonant conditions, overvoltage due to self excitation of the motor and the proper selection or sizing of equipment for a specific applica... View full abstract»

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  • The In-Betweens of DDC Design to Startup

    Publication Year: 1969, Page(s):766 - 772
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    The construction of a modern-day cement plant is a significant undertaking involving the coordination of many resources to develop an operation that must be profitable for many years to come. One of the major investments associated with the construction of the plant is that related to the purchase of suitable control equipment. The development of a digital computer system from purchase to startup ... View full abstract»

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  • Automatic Sampling and Measurement of Surface Area of Pulverized Material

    Publication Year: 1969, Page(s):773 - 778
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3401 KB)

    The trend in cement manufacturing is to larger production units, central control, finer cements, and a broader range of cement fineness. The availability of a continuous sensor of cement fineness can help to alleviate problems which have been emphasized by these trends. A system for measuring specific surface of pulverized materials, especially finished cement, has been developed. This system, com... View full abstract»

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  • A System for Recording Thyristor and Rectifier Current Waveforms

    Publication Year: 1969, Page(s):779 - 784
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6343 KB)

    To faithfully reproduce waveforms of both high-forward current and high-speed reverse recovery current in a high-power three-phase bridge converter is a difficult task. Ordinary dc shunts, or fuses which are sometimes used as shunts, are too inductive to satisfactorily reproduce the reverse recovery current. Noninductive shunts are available but suffer from several serious disadvantages which are ... View full abstract»

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  • Group Author Guide IEEE Industry and General Applications Group

    Publication Year: 1969, Page(s):784-a - xvii
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  • Blank Page

    Publication Year: 1969, Page(s): xviiA
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  • 1969 IEEE Industry and General Applications Group Organization and Membership Directory

    Publication Year: 1969, Page(s):xvii-b - axxv
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  • 1969 Technical Operations Department Organization and Committee Directory of the IEEE Industry and General Applications Group

    Publication Year: 1969, Page(s):axxv-a - bxxix
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Aims & Scope

This Transaction ceased production in 1971. The current retitled publication is IEEE Transactions on Industry Applications.

Full Aims & Scope