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Transactions of the American Institute of Electrical Engineers

Volume 51: 1932

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Displaying Results 1 - 25 of 45
  • Index of authors

    Publication Year: 1932, Page(s): 837
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  • Solution of Circuits Subjected to Traveling Waves

    Publication Year: 1932, Page(s):824 - 836
    Cited by:  Papers (1)
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    The major purpose of this paper is to illustrate how accurately the physical assumptions made in applying conventional traveling wave theory are substantiated by test results. Analytical solutions for traveling waves at a transition point, as given in ``Traveling Waves on Transmission Systems,'' A.I.E.E. TRANS., 1931 (L. V. Bewley) are used in this analysis. These derivations involve the solution ... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s):821 - 823
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  • Three-Phase Multiple-Conductor Circuits

    Publication Year: 1932, Page(s):809 - 821
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2537 KB)

    During the past year the subject of power transmission by multiple-conductor circuits has received considerable attention. The formulas and estimating curves given in the paper may therefore be of interest at this time. Formulas are developed for the inductance and capacitance to neutral per phase and the approximate corona starting voltage of perfectly transposed, multiple-conductor, three-phase ... View full abstract»

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  • Double Conductors for Transmission Lines

    Publication Year: 1932, Page(s):803 - 808
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1033 KB)

    When two overhead conductors a few inches apart are used for each phase of a transmission line circuit, instead of one larger conductor, the reactance is reduced-20 per cent or more. Where voltage drop determines the maximum power load, as it does in many cases, reduced reactance is advantageous and increases the allowable power rating. Current-carrying capacity and corona voltage are increased. T... View full abstract»

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  • The Traffic Flow Regulator

    Publication Year: 1932, Page(s):801 - 802
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  • A Recent Development in Traffic Control

    Publication Year: 1932, Page(s):796 - 800
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    The large number of automobiles in use today has introduced new problems in the control of vehicular traffic. Timing devices with increased flexibility are required so that signals can be operated more nearly in accordance with varying conditions of traffic flow. A recently developed timing device, containing new features and having increased flexibility, offers a solution of the problems involved... View full abstract»

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  • The Electro-Matic Traffic Dispatching System

    Publication Year: 1932, Page(s):790 - 795
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  • The Flexible Progressive Traffic Signal System

    Publication Year: 1932, Page(s):786 - 789
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  • Discussion

    Publication Year: 1932, Page(s):784 - 785
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  • Design of Capacitor Motors for Balanced Operation

    Publication Year: 1932, Page(s):780 - 784
    Cited by:  Papers (8)
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  • Field Tests to Determine the Damping Characteristics of Synchronous Generators

    Publication Year: 1932, Page(s):775 - 779
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2396 KB)

    Practical system tests of the damping action of generators with and without low resistance damper windings, but otherwise identical, have been made. The effects of normal variations of generator field circuit resistance, field current, and loading, were investigated. Data for checking calculated machine constants also were obtained. The tests results are valuable from a quantitative, as well as fr... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s):773 - 774
    Cited by:  Papers (1)
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  • Torque-Angle Characteristics of Synchronous Machines Following System Disturbances

    Publication Year: 1932, Page(s):764 - 773
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1740 KB)

    A method of predetermining the torque-angle characteristic of a synchronous machine following a system disturbance is of importance in calculating the transient stability limit and in evaluating the effect on this limit of additional rotor circuits or of a change in excitation. In the first part of this paper equations are derived which are of sufficient generality to evaluate such factors. Two ty... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s):761 - 763
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  • Measurement of Stray Load Loss in Polyphase Induction Motors

    Publication Year: 1932, Page(s):756 - 761
    Cited by:  Papers (9)
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    The purpose of this paper is to present the results of experiments carried out to establish a practical method of measuring stray load loss in induction motors. The nature of stray load losses is discussed, methods of measuring these losses are described, and proposals for the revision of the Institute Standards to include stray load losses are made. View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s):754 - 755
    Cited by:  Papers (1)
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  • Performance Calculations on Induction Motors Practical Straightforward Means for Calculating Performance of Single-Phase or Polyphase Induction Motors

    Publication Year: 1932, Page(s):743 - 754
    Cited by:  Papers (20)
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    Practical means for calculating the performance of both single-phase and polyphase induction motors from previously determined constants are developed in a straightforward manner. The methods are suitable for accurate calculations but can be simplified for approximate calculations. The methods given are complete and no auxiliary charts or sets of curves are required, nor need any diagram be constr... View full abstract»

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  • A Proposal to Abolish the Absolute Electrical Unit Systems

    Publication Year: 1932, Page(s):728 - 742
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3034 KB)

    The specification of a physical quantity must include numerical value and unit. The expression ``dimension'' is defined as the general unit of a quantity and it is shown that applied mathematics has to deal with physical quantities rather than pure numbers, so that each equation yields a relation between numerics and dimensions. It is possible to reduce all dimensions to a set of a few fundamental... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s): 727
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  • A General Theory of Systems of Electric and Magnetic Units

    Publication Year: 1932, Page(s):715 - 727
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3036 KB)

    A system of electric and magnetic units may be shown to be characterized by five parameters, namely: a numeric, n, which gives the ratio between the density of electric displacement used in that system and the so-called theoretical density; a numeric, p, which gives the corresponding ratio for magnetic flux densities; a physical conversion factor, k, which converts a given volume of current into t... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s): 714
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  • The Parallel Type Inverter

    Publication Year: 1932, Page(s):707 - 714
    Cited by:  Papers (8)
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    The parallel type inverter is one of many forms which are undergoing development at the present time. It gives promise of becoming of considerable importance and therefore the principles of operation should be better and more widely known. The object of this paper is to make a qualitative analysis of the operation of this type under different conditions of loading, and to present the results large... View full abstract»

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  • Discussion

    Publication Year: 1932, Page(s):697 - 706
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  • Normal Frequency Arcover Values of Insulators as Affected by Size and Humidity

    Publication Year: 1932, Page(s):690 - 697
    Cited by:  Papers (4)
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