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Transactions of the American Institute of Electrical Engineers

Issue 4 • Oct. 1929

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Displaying Results 1 - 25 of 83
  • Table of contents

    Publication Year: 1929, Page(s):nil1 - nil2
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  • Preface

    Publication Year: 1929, Page(s): nil2
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  • "Synchronized at the Load'' A Symposium on New York City 60-Cycle Power System Connections

    Publication Year: 1929, Page(s): 1079
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB)

    First Page of the Article
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  • "Synchronized at the load"-I A fundamental plan of power supply

    Publication Year: 1929, Page(s):1080 - 1082
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    The New York 60-cycle system is operating with connections giving parallel paths between generating units only at the load. High values of reactance result for synchronizing circuits between the several generating units, but the usual values are present in the main energy channels between generators and load. Connections are contrasted with two common types of metropolitan power systems; i. e., th... View full abstract»

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  • "Synchronized at the load''-II Calculations of system performance

    Publication Year: 1929, Page(s):1083 - 1092
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2103 KB)

    This paper describes the results of calculations made for operating the Hell Gate and Sherman Creek generating stations of the United Electric Light and Power Company synchronized at the load. After reducing the numerous branches of the system to a simpler equivalent, calculations were made on the operation of an isolated section. These calculations indicated ample static stability and transient s... View full abstract»

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  • "Synchronized at the Load''-III System tests and operating connections

    Publication Year: 1929, Page(s):1093 - 1100
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2448 KB)

    System test results, operating connections, and experience with the New York City system synchronized at the load are given. Data obtained by test are presented, showing the behavior of the system when generators are operated synchronized only through a low-voltage a-c. secondary network. The adaption of this method of connections to the New York City 60-cycle system, including system layout, stat... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1100 - 1107
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  • Automatic Transformer Substations Of the Edison Electric Illuminating Company of Boston

    Publication Year: 1929, Page(s):1108 - 1112
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1144 KB)

    The Edison Electric Illuminating Company of Boston has adopted a policy of numerous relatively small automatic a-c. substations located at the various individual load centers, this policy being enhanced by the development of a new method of automatic control and by the standardization of the station design. The rating of a substation is based on the sum of three specially designed transformers eac... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1112 - 1113
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  • Rehabilitation of Steam Power Plants

    Publication Year: 1929, Page(s):1114 - 1120
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1747 KB)

    Certain pertinent history of the recent development in the field of power generation is given in graphic form. The problem of rehabilitation of steam power plants is shown to arise from the great rapidity of this development. While no simple rule can be given to indicate when, if at all, rehabilitation ts justifiable, certain guiding criteria which may serve as aids in analysis are stated. These a... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1120 - 1122
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  • Application of Induction Regulators to Distribution Networks

    Publication Year: 1929, Page(s):1123 - 1129
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2351 KB)

    This paper considers in a general way the application of automatic induction voltage regulators to network distribution systems. A discussion is given of the usual methods of applying both single-and three-phase induction regulators and their relative merits are considered. The latter part of the paper takes up various methods that may be used to obtain successful operation when automatic inductio... View full abstract»

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  • The Electrification of the Mexican Railway

    Publication Year: 1929, Page(s):1130 - 1139
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    The Mexican Railway Company, Ltd., locally known as Ferrocarril Mexicano, was the first railway built in Mexico, having been opened to traffic January 1, 1873. The main line runs between Mexico City and Vera Cruz and is 264 mi. in length. There are six branch lines which increase the route miles to a total of 482. The most difficult portion of the line consists of 19 mi. of 4.7 per cent grade betw... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1139 - 1141
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  • Contact Wire Wear on Electric Railroads

    Publication Year: 1929, Page(s):1142 - 1145
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    It is the purpose of this paper to present such data on the subject of contact wire wear as the electric operation of four railroads has made available. Design of overhead system and pantographs, lubrication of pantograph shoes, presence of steam locomotives under catenary, ice on contact wire, condition of roadbed, speed of trains, and amount of current collected at pantograph shoe all have a bea... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1145 - 1146
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  • An Electrified Railway Substation Of the Pennsylvania Railroad

    Publication Year: 1929, Page(s):1147 - 1149
    Cited by:  Papers (1)
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    This paper contains a description of one of the out-door substations of the Philadelphia-Wilmington electrification of the Pennsylvania Railroad, recently placed in service. It describes the initial installation of apparatus provided in the substation for the present suburban electrification, as well as the steps taken to accommodate the additional apparatus necessary for the through electrificati... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s): 1149
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  • D-C. Railway Substations for the Chicago Terminal Electrification, Illinois Central Railroad

    Publication Year: 1929, Page(s):1150 - 1155
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4151 KB)

    Direct-current substations designed to meet the demands of heavy railway terminal service are described in this paper. This direct-current energy is furnished at 1500 volts from seven substations located in the Chicago district and owned and operated by the power companies. In addition to 1500-volt supply for traction purposes, alternating current at 4000/2300 volts is provided for the railway com... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1155 - 1156
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  • Master Reference System for Telephone Transmission

    Publication Year: 1929, Page(s):1157 - 1166
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3896 KB)

    The telephone transmission system described here is the Master Reference System of the Bell System for the expression of transmission standards and the ratings of the transmission performance of telephone circuits. The transmitter and receiver elements of this system are reference standards for the ratings of the transmitting and receiving performance of terminal station sets. A replica of this re... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s): 1166
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  • Electrical Wave Analyzers for Power and Telephone Systems

    Publication Year: 1929, Page(s):1167 - 1175
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2947 KB)

    This paper describes two types of electrical analyzers which have been developed for the direct measurement of harmonic components of voltage and current on power and telephone systems. These devices are assembled mechanically in a form suitable for use either in the laboratory or in the field. Both instruments, which differ chiefly with respect to sensitivity and input circuit arrangement, employ... View full abstract»

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  • Discussion

    Publication Year: 1929, Page(s):1175 - 1177
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  • A New Automatic Synchronizer

    Publication Year: 1929, Page(s):1178 - 1188
    Cited by:  Papers (1)
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    The fundamentals of automatic synchronizing are discussed, and the requirements which must be met by the ideal synchronizer are outlined. The design and the principle of operation of two different models of a newly developed automatic synchronizer are described. The paper treats the method by which, for any frequency difference within limits of present operating practise, either model of the synch... View full abstract»

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