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Proceedings of the American Institute of Electrical Engineers

Issue 2 • Date Feb. 1915

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  • A. I. E. E. third Midwinter Convention, February 17–19, 1915

    Publication Year: 1915, Page(s):29 - 31
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  • Cleveland meeting, March 18–19, 1915

    Publication Year: 1915, Page(s):31 - 32
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  • Increase of membership

    Publication Year: 1915, Page(s): 33
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  • Plants of National joint committee on line construction

    Publication Year: 1915, Page(s):33 - 34
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  • Directors' meeting, New York, January 8, 1915

    Publication Year: 1915, Page(s):34 - 35
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  • Past section and past branch meetings

    Publication Year: 1915, Page(s):35 - 38
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  • Personal

    Publication Year: 1915, Page(s):38 - 39
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  • Membership

    Publication Year: 1915, Page(s):39 - 47
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  • Employment department

    Publication Year: 1915, Page(s):48 - 49
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  • Library accessions

    Publication Year: 1915, Page(s):49 - 51
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  • Officers and Board of Directors, 1914–1916

    Publication Year: 1915, Page(s):52 - 57
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  • Comparison of calculated and measured corona loss curves

    Publication Year: 1915, Page(s):169 - 176
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    Corona loss curves made on a number of experimental and practical lines by different investigators have been corrected and plotted. The loss has been calculated by the quadratic law for each case under the same conditions as to spacing, conductor diameter, altitude, etc. and plotted for comparison. It is of interest to note that the measured values were made at various parts of the country. The ti... View full abstract»

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  • Distortion of alternating current wave caused by cyclic variation in resistance

    Publication Year: 1915, Page(s):177 - 186
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    An alternating current flowing through an unvarying non-inductive resistance has a wave-form that is undistorted and is identical with the wave-form of electromotive force. If the resistance varies during each cycle, on account of changing current and temperature or other causes, the current wave-form will be distorted and will contain a third harmonic that will flatten the current wave when the t... View full abstract»

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  • The characteristics of electric motors involved in their application

    Publication Year: 1915, Page(s):187 - 193
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    Industrial power work in the electrical field consists primarily in applying electric motors to the driving of various kinds of machinery. The machines to be driven possess characteristics of different kinds and are run on duty cycles which are often peculiar to the classes of industry involved. Generally the characteristics of the machine to be driven are fixed and the class of motor suitable for... View full abstract»

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  • Searchlights

    Publication Year: 1915, Page(s):195 - 208
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    Searchlights have remained practically the same for the past 25 years, although there is great necessity of an improved searchlight on account of the increased range of torpedoes and increased speed of torpedo boats. The constituent parts of a searchlight are given in the paper and some of the essential and desirable features of the various parts are shown. Methods of testing searchlight mirrors a... View full abstract»

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  • A 100,000-volt portable substation

    Publication Year: 1915, Page(s):209 - 220
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    Expanding needs of the Southern Power system, paralleled many miles by railroads, required a flexible-connection transformer relay of large capacity, easily portable, and self-contained on a single car. The equipment in operation is of 4000 kv-a. actual capacity, and provided with high- and low-tension switch gear, instruments, panel, wiring and cables, oil-insulated, self-cooled transformers with... View full abstract»

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  • Dimmers for tungsten lamps

    Publication Year: 1915, Page(s):221 - 228
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    The advent of tungsten lamps for theatre lighting made necessary a complete re-design of the dimming apparatus. Dimmers designed for the control of carbon filament lamps do not give smooth and flickerless regulation when used with equal loads of tungsten lamps. This is due to the temperature coefficient of resistance of the lamp filaments, that of the carbon filaments being negative, and that of t... View full abstract»

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  • Electrical precipitation: Theory of the removal of suspended matter from fluids

    Publication Year: 1915, Page(s):229 - 236
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    The frictional resistance of a small particle moving through a fluid is given by the law of Stokes. Knowing the density and size of the particles and the coefficient of viscosity of the medium, the amount of energy required to remove suspended matter from fluids can be calculated. From the formulas the relative efficiences of the different methods used to remove suspended matter from gases can be ... View full abstract»

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  • Magnetic and other properties of electrolytic iron melted in vacuo

    Publication Year: 1915, Page(s):237 - 261
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    Electrolytic iron of a purity of 99.97 to 99.98 per cent was melted in fused magnesia crucibles in a modified Arsem furnace, forged into rods, machined, and annealed in an electric furnace according to various heat cycles. The magnetic properties were obtained by the Burrows double bar method. Determinations were also made of the electrical resistance, chemical composition, and physical properties... View full abstract»

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  • Effect of moisture in the earth on temperature of underground cables

    Publication Year: 1915, Page(s):263 - 270
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    The author describes a permanent installation which was made for supplying moisture to the earth in the neighborhood of underground cables with the object of reducing their temperature. The approximate temperature of the cables is found by taking with a resistance thermometer the temperature of a duct adjacent to the cable which is the source of heat. In uncovering the conduits and exposing them t... View full abstract»

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  • Oil circuit breakers: Notes on arc phenomena and tendencies in design

    Publication Year: 1915, Page(s):271 - 283
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    The purpose of the paper is to present a brief explanatory discussion of some of the arc phenomena in oil circuit breakers and to describe the present tendencies in oil breaker construction and practise. A proposed method for rating breakers and specifying is included. View full abstract»

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  • Discussion on “engineering data relating to high-tension transmission systems” (sub-committee report: Thomas), Detroit, Mich., June 25, 1914. (see proceedings for October, 1914)

    Publication Year: 1915, Page(s):284 - 299
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1958 KB)

    John B. Fisken: On page 1457 it is stated for the Washington Waterpower Company, “We have noted no deterioration in conductors.” That, as far as I know, was true up to within the past few weeks. Since I left home I have been advised that a very serious deterioration has been noticed in some of the conductors. I have a small sample of wire here which was sent to me at Detroit, which I... View full abstract»

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  • Discussion on “specification for insulator testing — Covering inspection and tests of high-tension line insulators of porcelain, for over 25,000 volts” (engineering data sub-committee), Detroit, Mich., June 25, 1914. (see proceedings for October, 1914)

    Publication Year: 1915, Page(s):300 - 312
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    Percy H. Thomas: Last year, the High-Tension Transmission Committee presented a “sample” or “model” or “skeleton” specification, as it might be called, for the testing and inspection of high-tension porcelain insulators. This has been quite extensively remodeled during the present year, without greatly changing the fundamental ideas of the specifications. ... View full abstract»

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  • Discussion on “report by the joint committee on inductive interference”, Spokane, Wash., September 11, 1914. (see proceedings for September, 1914)

    Publication Year: 1915, Page(s):313 - 335
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    P. N. Nunn: The paper just presented is one of signal interest and significance. It is of unusual moment in this, that it reports both an elaborate scientific study of great technical value and also a legal adjudication of conflicting interests between two public utilities of vast economic importance. Briefly stated, the paper reproduces a certain report to the Railway Commission of the State of C... 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