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IEEE Transactions on Power Apparatus and Systems

Issue 11 • Nov. 1968

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Displaying Results 1 - 15 of 15
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1968, Page(s): c1
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  • IEEE Power Group

    Publication Year: 1968, Page(s): c2
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  • News

    Publication Year: 1968, Page(s): 1a
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  • Calendar

    Publication Year: 1968, Page(s): 2a
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  • A Triggered Chopping Gap for Use in Transformer Testing

    Publication Year: 1968, Page(s):1885 - 1888
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (835 KB)

    Fault detection during chopped-wave impulse tests on transformers requires that the time to chop be constant at various levels of applied voltage. Apparatus devised for this purpose is described. Time to chop in the 1-to 6-¿s range can be selected and reproduced with a precision better than 0.1 ¿s at voltage levels up to 400 kV. This system has been successfully used for over five years in the i... View full abstract»

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  • The Significance of Corona Measurements on Transformers

    Publication Year: 1968, Page(s):1889 - 1898
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3704 KB)

    Tests to show the attenuation of voltage and charge phenomena between corona sources located in power transformer windings and the terminals of the transformer are described. The attenuation of corona, or simulated corona, in both major and minor insulation is considered. A circuit developed specifically for the purpose of simulating corona is detailed and its application in the tests is described... View full abstract»

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  • Performance of 66-77-kV Cross-Linked Polyethylene Insulated Cable and New Developments

    Publication Year: 1968, Page(s):1899 - 1907
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4113 KB)

    Significant problems of 66-77-kV cross-linked polyethylene insulated cable are discussed. Improvements in cable construction and manufacturing processes realized over the past five years are described as well as their influence on cable performance. Higher impulse and ac breakdown voltage and higher corona starting voltage can be obtained, and the allowable electrical stress for long service perfo... View full abstract»

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  • New Measurement of Synchronous Machine Quantities

    Publication Year: 1968, Page(s):1908 - 1918
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1761 KB)

    Synchronous machine quantities are used in the various studies of power system behavior under both normal and abnormal conditions. Instead of the IEEE test code 115 [1] generally employed, this paper describes two approaches to measure synchronous machine quantities of each winding with the machine at standstill, namely, the indicial response method and the low-requency response method. These quan... View full abstract»

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  • Air Gap Field Under the Saturated Tooth of an Induction Motor

    Publication Year: 1968, Page(s):1918 - 1924
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1107 KB)

    Tooth tips of the induction motor are very highly saturated by the tangential part of the total flux, especially at the short circuit. Actual values of the saturations were obtained by inverting the solution of the magnetic circuit. Air gap induction distribution under the tooth was assumed and the necessary form of the tooth tip was derived therefrom. From these considerations, the saturation fac... View full abstract»

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  • A Direct Method of Measuring Stray Load Loss in DC Machines

    Publication Year: 1968, Page(s):1925 - 1931
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3824 KB)

    Stray load loss in dc machines is defined as the difference between the actual loss under load and the well-recognized loss. This paper describes a simple, reliable, and direct method of measuring this loss by means of a proposed short-circuit test with a correction factor for uncompensated-type dc machines. It also describes the sources and components of stray load losses as they occur under shor... View full abstract»

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  • Solution of Load-Flow Problems by Partitioning Systems into Trees

    Publication Year: 1968, Page(s):1931 - 1938
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1875 KB)

    This paper presents a method of calculating load flows by partitioning a system into subsystems of tree form, for which the node-voltage equations can be solved very efficiently by optimally ordered Gaussian elimination. The solution for the complete system is then obtained by coupling direct solutions for the trees by a blockiterative method. Results comparing the block method with the accelerate... View full abstract»

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  • Network-Flow Method Applied to Load-Flow Calculation

    Publication Year: 1968, Page(s):1939 - 1949
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1864 KB)

    This paper aims to apply a network-flow method for the load-flow calculation in electric power systems and to discuss a computer handling technique from the computational aspects. An attractive feature of the new method is its ability to handle calculation rapidly without requiring so large an amount of computer memory. The program based upon the proposed method has been developed, and a flow diag... View full abstract»

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  • Field Test of 15-kV Cable Terminations

    Publication Year: 1968, Page(s):1950 - 1956
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4899 KB)

    This is a progress report by Houston Lighting & Power Company (HL&PCO) on testing 15-kV cable terminations in a marine environment. The test rack, which has been intermittently energized since December 10, 1965, supports 70 terminations on test including those with porcelain, tape, and other materials for an exterior surface. All failures are believed caused by leakage current. Eighty-one percent ... View full abstract»

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  • Project Fuel Cell

    Publication Year: 1968, Page(s):1956 - 1960
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1159 KB)

    This paper briefly reviews the status of high-efficiency, coal-oxidation, solid-electrolyte fuel cells being developed under Project Fuel Cell, describes the manufacturing technique of thin- film batteries consisting of numerous fuel cells and a 100-kW power plant now under construction, and projects the economics of a 1000-MW fuel-cell power plant. View full abstract»

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  • Contributors

    Publication Year: 1968, Page(s):1960-a - 1960-b
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Aims & Scope

This Transactions ceased production in 1985. The current retitled publication is IEEE Transactions on Energy Conversion and IEEE Transactions on Power Delivery, and IEEE Transactions on Power Systems.

Full Aims & Scope