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Proceedings of the American Institute of Electrical Engineers

Issue 5 • Date May 1914

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Displaying Results 1 - 25 of 25
  • Institute meeting in Pittsfield, Mass. May 28–29, 1914

    Publication Year: 1914, Page(s):147 - 148
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  • Second Institute lecture on electromagnetic theory, by Dr. M. I. Pupin, May 6, 1914

    Publication Year: 1914, Page(s):148 - 149
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  • Revised standardization rules

    Publication Year: 1914, Page(s):149 - 150
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  • Pittsburgh meeting of the A.I.E.E., April 9–10, 1914

    Publication Year: 1914, Page(s): 150
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  • Directors' meeting, New York, April 7, 1914

    Publication Year: 1914, Page(s): 151
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  • Membership

    Publication Year: 1914, Page(s):151 - 155
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  • Past section meetings

    Publication Year: 1914, Page(s):155 - 158
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  • Past branch meetings

    Publication Year: 1914, Page(s):158 - 163
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  • Personal

    Publication Year: 1914, Page(s):163 - 164
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  • Obituary

    Publication Year: 1914, Page(s):164 - 165
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  • Abstracts of proceedings of foreign engineering societies

    Publication Year: 1914, Page(s):165 - 167
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  • Library accessions

    Publication Year: 1914, Page(s): 167
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  • Officers and Board of Directors, 1914–1915

    Publication Year: 1914, Page(s):168 - 178
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  • The future of electric heating and cooking in marine service

    Publication Year: 1914, Page(s):693 - 702
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    Indications of the future point to electric motor driven propulsion and abandonment of coal-burning boilers. Electric cooking and heating is in line with this development and the source of heat for cooking and heating will be confined to the boiler room. The future of electric cooking apparatus is assured by the progress already made in the U. S. Navy in adopting electric equipment. Detail report ... View full abstract»

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  • Electricity the future power for steering vessels

    Publication Year: 1914, Page(s):703 - 732
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    Electrical development in the marine field has been confined in a large measure to the navy, and the best experience with electric steering gears has been obtained from navy installations. Up to the present time steam has been the universal power for operating steering gears but certain disadvantages are inherent in this system which can be overcome by the electric drive, and additional advantages... View full abstract»

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  • Experiences with line transformers

    Publication Year: 1914, Page(s):733 - 745
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    This paper presents an analysis of the transformer troubles for one year on a system having nearly 15,000 transformers installed. This analysis indicates that about 50 per cent of the troubles traceable to the transformer can be eliminated, with no great expense, by some slight changes in the construction details and some improvements in operating methods. Reference is made to the Standard Specifi... View full abstract»

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  • Experience of the Pacific gas and Electric Co. with the grounded neutral

    Publication Year: 1914, Page(s):747 - 752
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    The paper gives an outline of the distributing system of the Pacific Gas and Electric Company of California which operates at 60 kv., the transformers being Y-connected, with the neutrals solidly grounded. The company considers the grounded neutral system has a number of important advantages with regard to the transformers, the transmission lines, and operation. The fewer turns of larger capacity ... View full abstract»

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  • Influence of transformer connections on operation

    Publication Year: 1914, Page(s):753 - 770
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    In this paper the relative advantages and disadvantages in operation of the more important three-phase transformer connections are discussed. Three conditions of operation are given: First, normal; second, operation of a bank with one phase disabled; third, effect of line grounds on operation. The paper is not complete, particularly in that high-frequency or switching phenomena are not discussed. ... View full abstract»

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  • A study of some three-phase systems

    Publication Year: 1914, Page(s):771 - 784
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    The star-star, delta-delta, delta-star and star-delta connections are taken up in order and their individual peculiarities and characteristics, precautions that must be taken in operation to avoid trouble and where and when the system may be grounded with best results, are discussed. The question of delta-delta vs. delta-star is considered: (1) For moderate voltages the delta-delta system has the ... View full abstract»

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  • Harmonic voltages and currents in Y- and delta-connected transformers

    Publication Year: 1914, Page(s):785 - 789
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    The paper reviews the conditions under which triple harmonic voltages and currents are produced in Y-and delta-connected transformers. These voltages are produced by hysteresis in the core. In a single-phase transformer, increase of series resistance tends to suppress the current harmonic and produce the voltage harmonic. In three-phase transformers, a Y connection suppresses the current harmonic ... View full abstract»

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  • Relative merits of Y and delta connection for alternators

    Publication Year: 1914, Page(s):791 - 794
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    The main advantages obtained with the Y connection are as follows: (1) It is possible to bring out a lead from the neutral point of the winding, which is useful for various purposes. (2) The cost is less than with the delta connection, requiring approximately 58 per cent of the turns. (3) It is not possible for circulating currents of triple frequency to flow in the windings. The delta connection ... View full abstract»

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  • The present status of aluminum-cell lightning arresters

    Publication Year: 1914, Page(s):795 - 802
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    This paper gives a brief survey of the conditions of operation of aluminum-cell arresters, without any description of the forms of the arresters. References are made to recent investigations of lightning phenomena and their possible effects on the design of protective apparatus used at present. The d-c. aluminum arrester is most economical and represents the highest possible grade of protection. I... View full abstract»

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  • Electric power

    Publication Year: 1914, Page(s):803 - 818
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    The authors briefly trace the evolution of electric power up to the present time, and note various fields of application of electric power which have become specialized branches of electrical engineering. The tendency of public utilities towards consolidation, and the advantages to be derived thereby, are discussed, also the interconnection of hydroelectric plants, and the grouping of systems unde... View full abstract»

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  • Discussion on “the dielectric strength of thin insulating materials” (Farmer), New York, December 12, 1913. (see proceedings for December, 1913)

    Publication Year: 1914, Page(s):819 - 839
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    F. W. Peek, Jr: Three types of insulation are in general use — gaseous, liquid, and solid. The mechanism of breakdown differs in many respects in the three types. Any insulation, under given conditions, ruptures at a given point when the dielectric flux density at that point exceeds some definite value. The total dielectric flux depends upon the capacity and the electromotive force; that is... View full abstract»

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  • Discussion on “trunk line electrification” (Kahler) and “2400-volt railway electrification” (Hobart), New York, May 20, 1913. (continued from p. 2147, proceedings for November 1913)

    Publication Year: 1914, Page(s):840 - 848
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    Roger T. Smith (by letter): Mr. Kahler's paper is interesting to English electrical engineers from the complete method of analysis adopted. The examples taken do not, however, invite criticism either of the constants or of the results since they are not comparable with anything in the way of steam or electric traction that we have or are likely to have in England. View full abstract»

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Aims & Scope

This Magazine ceased publication in 1919. The current retitled publication is IEEE Spectrum.

Full Aims & Scope