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A.I.E.E., Journal of the

Issue 12 • Date Dec. 1929

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Displaying Results 1 - 25 of 43
  • Table of contents

    Publication Year: 1929 , Page(s): 1
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  • Some activities and services open to members

    Publication Year: 1929 , Page(s): 1
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  • A message from the President

    Publication Year: 1929 , Page(s): 1
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  • Some leaders of the A. I. E. E.

    Publication Year: 1929 , Page(s): 864
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  • A recording torque indicator: That records the torsional effort of motors during acceleration

    Publication Year: 1929 , Page(s): 865 - 868
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1118 KB)  

    The measurement of torque under unstable conditions of speed is usually extremely difficult and inaccurate when a dynamometer, prony brake, or similar torque measuring equipment is used. The device described in this paper was developed primarily to obtain torque measurements under unstable conditions as well as under stable conditions, and to obtain a permanent record of these measurements. It has... View full abstract»

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  • Automatic regulation of synchronous condensers: Equipped with superspeed excitation

    Publication Year: 1929 , Page(s): 868 - 871
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    This paper describes extensive field tests made on the super-high-speed excitation equipment used with the 30,000-kv-a. synchronous condensers at the Plymouth Meeting Substation of the Philadelphia Electric Company. Oscillograms and calculated curves showing the performance of the synchronous condensers with this equipment are included, together with a discussion of the results obtained. View full abstract»

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  • Series synchronous condensers for generation of voltage consumed by line inductance

    Publication Year: 1929 , Page(s): 872 - 875
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    The factors determining the power-carrying capacity of a transmission system are briefly discussed in this paper. The principal effects obtained by the operation of synchronous condensers used to compensate for the system consumption of lagging reactive kv-a. are pointed out. This method of compensation is contrasted with the direct method of supplying the reactive kv-a. to the line in the manner ... View full abstract»

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  • The future of higher steam pressures in steam electric generating stations

    Publication Year: 1929 , Page(s): 875 - 877
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    Construction and operating experience has shown that a large part of the theoretically possible gains in efficiency due to higher steam pressures has been obtained in practise. What are the future possibilities of higher pressures? The biggest problem before station designers today is to reduce the cost of construction per unit of capacity. Some engineers have suggested that we should build cheape... View full abstract»

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  • Electrochemistry and electrometallurgy: Annual report of committee on electrochemistry and electrometallurgy

    Publication Year: 1929 , Page(s): 878 - 881
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    To the Board of Directors: The Committee on Electrochemistry and Electrometallurgy submits the following report covering some of the outstanding matters of interest within the field of the committee. Such a review can never claim to be complete. The past year has brought several items of unusual interest. As an innovation in the report of the committee, for the present year somewhat more details a... View full abstract»

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  • An economic study of an electrical: Distributing station

    Publication Year: 1929 , Page(s): 881 - 883
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    This paper outlines some of the physical reasons and economic advantages influencing the establishment of Washington Park Distributing Station of the Commonwealth Edison Company of Chicago. This station is located at the electrical center of the load which it supplies. It receives energy at 66 kv. from an outlying generating station, State Line Station. The voltage is reduced at the distributing s... View full abstract»

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  • Abridgment of current transformer excitation: Under transit conditions

    Publication Year: 1929 , Page(s): 884 - 888
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    Tests of circuit breakers, relays, and similar devices in which current transformers have been used to step down the large currents involved to values measurable by the oscillograph, have shown peculiar errors in the records during the transient portion of the current wave. The purpose of this paper is to show that the abnormal excitation of the magnetic circuit of the current transformer required... View full abstract»

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  • Transportation: Annual report of committee on transportation

    Publication Year: 1929 , Page(s): 888 - 890
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    To the Board of Directors: Following established precedent, your Committee submits a brief review of the year's development in the application of electricity to transportation. View full abstract»

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  • Abridgment of progress in the study of system stability

    Publication Year: 1929 , Page(s): 891 - 895
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    In the second part of this paper and in the appendices, attention is given to simplified methods of treating the problem of system stability. Methods which have been found useful in making many system studies are recorded. These methods have had considerable verification by tests both on a model system and on large operating systems and have been simplified to such an extent that many operating co... View full abstract»

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  • Applications to marine work: Annual report of committee on applications to marine work

    Publication Year: 1929 , Page(s): 895
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    To the Board of Directors: The activities of the Committee on Applications to Marine Work this year were devoted chiefly to the consideration of future revisions in the Marine Standards (A. I. E. E. Standard No. 45) and in further efforts to induce the U. S. Steamboat Inspection Service to arrange for proper recognition and classification of the electrical engineer on shipboard. Owing to the few a... View full abstract»

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  • Abridgment of general power applications: Annual report of committee on general power applications

    Publication Year: 1929 , Page(s): 896 - 900
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    To the Board of Directors: Your Committee on General Power Applications has attempted to keep in close touch with the development of power applications during the year through the selection by the various members of the committee of specific industries in which they were deeply interested and on which they agreed to furnish a condensed report early in 1929. View full abstract»

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  • Spray and fog tests on 220-kv. insulators

    Publication Year: 1929 , Page(s): 900 - 904
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    To determine insulation for an outdoor 220-kv. station on the coast subject to ocean spray, an insulator test rack was installed at Redondo, California. Ten types of insulator, including widely different designs, were tested continuously for two years and a half at 150 kv. to ground. Comparative results were obtained by adding or subtracting units in suspension strings until an equality against ar... View full abstract»

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  • Applications to mining work: Annual report of committee on applications to mining work

    Publication Year: 1929 , Page(s): 905 - 907
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    To the Board of Directors: In the past many criticisms have been made against the mining industry as being backward in modern developments. Certainly such criticisms are no longer justified to the same extent as a decade or two ago. View full abstract»

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  • Audio-frequency transformers: Voltage-ratio characteristics determined by the low-voltage cathode ray oscillograph

    Publication Year: 1929 , Page(s): 907 - 911
    Cited by:  Papers (1)
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    The usual method of determining the voltage ratio of audio-frequency transformers employs a three-element vacuum tube in the circuit. Due to the fact that the results are a combination of both transformer and vacuum tube characteristics this method is not entirely satisfactory. This paper describes a new method, using a low-voltage cathode ray oscillograph, by means of which the voltage ratio of a... View full abstract»

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  • Abridgment of automatic stations: Annual report of the committee on automatic stations

    Publication Year: 1929 , Page(s): 911 - 912
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    To the Board of Directors: This terminates the second year of the existence of this committee. The field of action in which this relatively new committee finds itself is so broad and has so many inviting byways that it has been difficult to outline the work. The engineering connection with the application of automatic control is so fascinating as to result in so many new ideas being steadily devel... View full abstract»

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  • Abridgment of production and application of light: Annual report of committee on production and application of light

    Publication Year: 1929 , Page(s): 913 - 917
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    The report of the Committee on Production and Application of Light calls attention to the outstanding advancements and trends in the art of lighting by electricity. Material used in the compilation has been furnished not only by members of the committee but by other authorities in various fields. View full abstract»

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  • Illumination items: The electrical engineer and light therapy

    Publication Year: 1929 , Page(s): 917 - 918
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    The popularity of the present suntan vogue and its hearty endorsement by prominent members of the medical profession point to the probability of the demand for artificial sources of sunshine being permanent rather than the fad of a day. View full abstract»

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  • Mobile color lighting at Barcelona exposition

    Publication Year: 1929 , Page(s): 918 - 919
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    From the standpoint of mobile color lighting, the International Exposition held this year at Barcelona, Spain, is the most exquisite display of its kind ever produced. It is particularly interesting as to the quantity of colored light employed and the extent of the area over which coordinated sequence is maintained, In length, this area is approximately one-third of a mile. and in width it average... View full abstract»

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  • The motor vehicle light testing laboratory of Minnesota

    Publication Year: 1929 , Page(s): 919
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    The regulations with respect to automobile headlamps, included in the Uniform Traffic Act of the State of Minnesota, have now been in force for over two years. View full abstract»

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  • The 1930 Winter convention

    Publication Year: 1929 , Page(s): 920 - 921
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  • District meeting in Chicago

    Publication Year: 1929 , Page(s): 921
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Aims & Scope

The Journal of the American Institute of Electrical Engineers (AIEE) contains articles published between 1924 and 1930. Contents are devoted to the advancement of theory and practice of electrical engineering and the allied arts and sciences.

This Journal ceased publication in 1930. The current retitled publication is IEEE Spectrum.

Full Aims & Scope