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Transactions of the American Institute of Electrical Engineers

Issue 1 • Jan. 1936

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Displaying Results 1 - 25 of 31
  • [Breaker page]

    Publication Year: 1936, Page(s): nil1
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    Freely Available from IEEE
  • [Breaker page]

    Publication Year: 1936, Page(s): nil2
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    Freely Available from IEEE
  • Preface

    Publication Year: 1936, Page(s): nil3
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    Freely Available from IEEE
  • Errata

    Publication Year: 1936, Page(s): nil4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (85 KB)

    Presents revisions to various equations and formulas from selected articles. View full abstract»

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  • List of Contributors

    Publication Year: 1936, Page(s): 1
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  • Table of contents

    Publication Year: 1936, Page(s):1 - 2
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  • In This Issue

    Publication Year: 1936, Page(s): 2
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    Freely Available from IEEE
  • Looking Forward

    Publication Year: 1936, Page(s): 3
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    Freely Available from IEEE
  • ``What Is Electricity?''

    Publication Year: 1936, Page(s):4 - 11
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    This address,1 tracing the interesting history and significance of the many concepts of electricity as they have evolved from an indefinite beginning through the extremely rapid developments of the current century toward a speculative future, is republished here at the request of the Institute's committee on education. View full abstract»

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  • Modernization of Transmission Lines

    Publication Year: 1936, Page(s):12 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5697 KB)

    The results of a survey by the A.I.E.E. lightning and insulator subcommittee* of the methods used to reduce the effect of lightning on existing transmission lines for medium and high voltages are given in this paper, which summarizes data obtained by means of a questionnaire sent to various operating companies. View full abstract»

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  • Permanent Magnet Materials

    Publication Year: 1936, Page(s):19 - 23
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1242 KB)

    Permanent magnet materials recently have been developed with characteristics radically different from those of previous materials, the carbon, cobalt, and chromium steels. In this paper, the essential properties of these new materials are discussed and are compared with the corresponding properties of the older materials. Development of these new materials has broadened the range of properties fro... View full abstract»

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  • The Compensated Thermocouple Ammeter

    Publication Year: 1936, Page(s):23 - 33
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2898 KB)

    Temperature distribution and heat flow in electrical conductors have been subjected to a mathematical analysis, which brings out a number of interesting thermal characteristics of conductors. The material presented in this paper is divided into 2 principal parts, the first being a general solution of the problem of determining temperature and heat distribution in conductors, and the second contain... View full abstract»

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  • High Power Audio Transformers

    Publication Year: 1936, Page(s):34 - 36
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2426 KB)

    A brief outline of the essential characteristics of high power audio transformers for class B amplification (tubes connected in push-pull fashion with their grid voltages of such value that the anode current is zero when there is no signal) is given here together with a brief description of the units used in the third and fourth stages of radiobroadcast station WLW. View full abstract»

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  • Electrical Equipment for Waterworks Systems

    Publication Year: 1936, Page(s):36 - 40
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2242 KB)

    The application of supervisory control equipment and electric pump drive to municipal waterworks systems results not only in greatly improved operation, but also in a reduction in operating costs. Existing waterworks systems may be modernized and many improvements secured by the application of various types of electrical equipment. As an illustration of the benefits which may be obtained, a descri... View full abstract»

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  • Remote Metering and Automatic Load Control

    Publication Year: 1936, Page(s):40 - 47
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5856 KB)

    Power dispatching on an interconnected electric power system has been simplified and greatly improved by the adoption of a remote metering and automatic load control scheme recently developed. Remote metering at the power dispatching center provides continuous indication of the load on a distant 110-kv interconnection. The equipment also provides automatic control of the load on a hydroelectric ge... View full abstract»

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  • Distribution Transformer Lightning Protection Practices

    Publication Year: 1936, Page(s):47 - 53
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1549 KB)

    With the object of determining the effectiveness of the newer methods of protecting distribution transformers from lightning, a survey of operating data obtained during 1934 by 38 electric power companies has been made by the transmission and distribution committee of the Edison Electric Institute. The results of this survey are presented herewith. In general, interconnection of the lightning arre... View full abstract»

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  • Lightning Protection for Transformers

    Publication Year: 1936, Page(s):53 - 56
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1051 KB)

    As part of the modernization symposium scheduled for the 1936 winter convention, the A.I.E.E. transformer and lightning arrester subcommittees* have prepared this joint report, which summarizes briefly methods now available for protecting transformers against both traveling waves and direct strokes. View full abstract»

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  • Modernization of Relay Systems

    Publication Year: 1936, Page(s):56 - 62
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2751 KB)

    Relay systems used for the protection of power transmission networks are now available which are greatly superior to those in use some 5 years ago. The principal change has been the development of the high speed relay, the operating time of which may be as low as one cycle or less on a 60 cycle system. Modernization of existing relay systems frequently may be accomplished by the addition of the ne... View full abstract»

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  • Lightning Investigations on a Distribution System

    Publication Year: 1936, Page(s):63 - 70
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    Analyses of field measurements of lightning disturbances and of operating experience on a metropolitan electric power distribution system have yielded valuable information on protective methods. Performance records of transformers, fuses, lightning arresters, meters, and customers equipment with the interconnection method of protection (arrester ground and secondary neutral interconnected) are ana... View full abstract»

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  • Supervisory Control and Remote Metering

    Publication Year: 1936, Page(s):70 - 75
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3358 KB)

    Supervisory control and remote metering installations on the electrified section of the Pennsylvania Railroad are outlined herein. A brief history of the growth of electrification on this railroad, and of the supervisory control and remote metering installations which accompanied the electrification is given, together with the locations at which the different types of equipment are used. These rem... View full abstract»

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  • Modernization of Power Distribution systems

    Publication Year: 1936, Page(s):75 - 84
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8332 KB)

    Engineering and practice in electric power distribution systems have kept pace with modern developments in other lines. Many improvements in system design and in details of equipment and construction have been produced in recent years which make for economy, better service, greater safety, and better appearance. The most important of these are discussed with indications of future trends. View full abstract»

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  • Lightning Arrester Economics

    Publication Year: 1936, Page(s):84 - 93
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3402 KB)

    Early applications of lightning arresters were hindered not only by high cost, but also by the general lack of knowledge of both the characteristics of lightning and the protective characteristics of the arresters themselves. Present knowledge of these factors, however, achieved as a result of extensive field and laboratory research, has made possible the production of arresters having greatly imp... View full abstract»

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  • Sliding contacts- electrical characteristics

    Publication Year: 1936, Page(s):94 - 100
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1742 KB)

    Experiments with oxidized and oxide-Free materials indicate that the electrical characteristics of the ordinary sliding contact, such as that between a carbon or graphite brush and a copper slip ring, are dependent upon the oxide film on the surface of the ring. Results of these experiments are presented in this paper, together with an explanation of the breakdown of this oxide film by the increas... View full abstract»

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  • Automatic Control for Mercury Arc Rectifiers

    Publication Year: 1936, Page(s):100 - 109
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4424 KB)

    Automatic control for steel-tank mercury-arc rectifiers may be considered under 2 main divisions, one being control for switching equipment, and the other being control of the unit auxiliaries such as tank heaters, anode heaters, vacuum control and protective equipment, arc ignition and excitation, cooling tank, and circulating pump. A review of present day practice in automatic control for mercur... View full abstract»

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  • Locomotive to Caboose Radio Communication

    Publication Year: 1936, Page(s):109 - 113
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    Although the characteristics of ultra-high frequency radio communication between fixed points have been established Fairly well, the utilization of these frequencies in communication between front and rear of moving railway trains presented problems of which little was known. This paper reports the results of extensive tests made to determine the practical value of these frequencies for such servi... View full abstract»

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