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IEEE Transactions on Power Apparatus and Systems

Issue 1 • Jan. 1974

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Displaying Results 1 - 25 of 63
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1974, Page(s):c1 - 456-b
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    Freely Available from IEEE
  • IEEE Power Engineering Society

    Publication Year: 1974, Page(s): c2
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  • Membership Application IEEE Power Engineering Society

    Publication Year: 1974, Page(s): 1
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  • IEEE Publications at Low-Cost Member Rates [advertisement]

    Publication Year: 1974, Page(s): 2
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  • 1973 Power Industry Computer Application Conference

    Publication Year: 1974, Page(s):3 - 30
    Cited by:  Papers (2)
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  • Subsurface Transformer Finish Systems

    Publication Year: 1974, Page(s):31 - 39
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1666 KB)

    A finish system providing corrosion protection for subsurface transformers is exposed to severe and variable environmental conditions. For example, it can be subjected to temperatures as high as 125 °C, wet and dry soils, and soils'containing fertilizer, salt, and other chemicals which affect the resistivity and pH of the soil. The coating can also be subjected to severe cathodic and anodic disbo... View full abstract»

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  • Saturation Harmonics and Current Waveforms of Single-Phase Induction Motors

    Publication Year: 1974, Page(s):40 - 44
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1936 KB)

    The harmonics in the air gap magnetic field of saturated single-phase induction motors with uniform or nonuniform stator teeth and cores are analyzed using two-dimensional Fourier series. The analysis shows that when the fundamental backward-traveling and forward-traveling magnetic field waves are saturated they produce saturation harmonics having several different velocities, frequencies, and spa... View full abstract»

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  • Magnetic Field Distribution in Solid Metallic Structures in the Vicinity of Current Carrying Conductors, and Associated Eddy-Current Losses

    Publication Year: 1974, Page(s):45 - 56
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1580 KB)

    The analysis of the magnetic field distribution in conducting slabs in the presence of current carrying conductors and the calculation of eddy-current losses is presented. Integral expressions of field quantities have been developed for filamentary current sources and loss formulae established. A new approach to minimization and division of losses between composite shields is described. The equati... View full abstract»

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  • On the Statistics of Multi-Break Circuit Breakers-Thermal and Dielectric Regimes

    Publication Year: 1974, Page(s):57 - 61
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (892 KB)

    This paper studies the statistical performances of multi-break circuit-breakers. For the thermal reignition regime, a formal proof is given of the fact that under certain conditions (explicitly derived) the overall performance of a multi-break breaker is better than that expected from a proportional extrapolation of the results from a single break. For the dielectric regime, it is shown that the h... View full abstract»

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  • Finite-Element Solution of the Eddy-Current Problem in Magnetic Structures

    Publication Year: 1974, Page(s):62 - 72
    Cited by:  Papers (76)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1586 KB)

    Analysis of the eddy-currentproblem in magnetic structures by the method of Finite-elements is presented. The linear diffusion equation representing the appropriate energy functional is described. The field region is discretised by triangular Finite-elements and the solution to the field problem is obtained by minimizing the energy functional with respect to each of the vertex values of the vector... View full abstract»

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  • Stepped-Field Induction Machines

    Publication Year: 1974, Page(s):73 - 80
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (953 KB)

    Stepped-field, thyristor-controlled induction machines combine the reliability of thyristors with the robustness of squirrel¿cage induction machines. View full abstract»

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  • The Use of Single-Phase Overhead Test Lines and Test Cages to Evaluate the Corona Effects of EHV and UHV Transmission Lines

    Publication Year: 1974, Page(s):81 - 90
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3043 KB)

    Economic considerations often limit the use of full-scale 3-phase test lines for the investigation of transmission-line corona effects. Testing of a large number of different conductor configurations can be more conveniently and efficiently carried out on comparatively short sections of conductors on single-phase test lines and in test cages. Techniques for measuring the single-phase corona perfor... View full abstract»

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  • Distribution Transformer Load Characteristic Functions for Residential Central Air Conditioning

    Publication Year: 1974, Page(s):91 - 99
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2000 KB)

    For the first time, load quantities consisting of maximum demands, 1 diversified demands, coincidence factors, daily load factors, monthly load factors, annual load factors, loss versus load factor relationships, and responsibility factors are developed for distribution transformers serving residential central air conditioning customers. Weather information and over three million values of load ve... View full abstract»

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  • Single-Pole Switching-A Comparison of Computer Studies with Field Test Results

    Publication Year: 1974, Page(s):100 - 108
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2301 KB)

    The electrical characteristics of a 150 km 500 kV transmission line during single-pole switching is simulated on a hybrid computer. A time dependent arc simulation aids in the study of the voltage occurring across the arc and the recovery voltage during single-pole switching. The accuracy of the simulation is verified by comparison with field tests. The simulation is also used to investigate the t... View full abstract»

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  • Ground Electrode Resistance Measurements in Non Uniform Soils

    Publication Year: 1974, Page(s):109 - 115
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1021 KB)

    Ground electrode resistance measurements are usually done by Fall of Potential method. The potential probe position (0.618 rule) has been calculated for homogeneous soil 1,2]. Theoretical computation and experimental verification of the potential probe position in non homogeneous soil is presented. The experimental work was carried out on a twin layer laboratory model [3,4,6]. View full abstract»

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  • Transient Behaviour of Damped Capacitive Voltage Dividers of Some Million Volts

    Publication Year: 1974, Page(s):116 - 121
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4463 KB)

    This paper describes the basic design of two types of damped capacitive voltage dividers. The impedance characteristic of the voltage divider and of the complete measuring circuit is discussed. The actual response characteristics of damped capacitive voltage dividers are surveyed and the possible application evaluated. View full abstract»

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  • Open Circuit Tooth Ripple Eddy Current loss in Smooth Laminated Poles

    Publication Year: 1974, Page(s):122 - 129
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5938 KB)

    This paper reports onaresearchofphenomenaassociated with core loss due to tooth ripple flux in smooth laminated poles for the open circuit condition in ac machines. A model for investigation of the phenomena is described, incorporating a calorimetric technique for determination of loss location. There is also described a method for evaluating losses by utililizing a mathematical model which encomp... View full abstract»

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  • Ionization Tests on a Fourteen Year Old Hydrogeneretor Winding

    Publication Year: 1974, Page(s):130 - 136
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1301 KB)

    Recently a decision was made to rewind a 1OOMW, 13.8 kV hydrogenerator which had been in service for about fourteen years. The statqr insulation on this generator was an early version of "Thermalastic", a synthetic resin vacuum impregnated mica insulation. Prior to removing the coils from the machine a series of ionization probe and tangent delta measurements were made. Selected coils, including a... View full abstract»

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  • Theory of the Bridge-Rectified Synchronous Generator with a large Number of Stator Phases - Part I

    Publication Year: 1974, Page(s):137 - 145
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1232 KB)

    In order to improve the characteristics of a bridge-rectified synchronous generator, the number of stator phases is increased. This paper discusses the basic theory of this machine, which turns out to be ati interesting cross link between the DC commutator and the AC synchronous machine. A mesh connected stator winding is found to be preferable to a star connection and the stator thus becomes the ... View full abstract»

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  • Theory of the Bridge-Rectified Synchronous Generator with a Large Number of Stator Phases - Part II

    Publication Year: 1974, Page(s):146 - 148
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (413 KB)

    The usefulness of the previously derived equations for commutation phenomenons and other related characteristics is demonstrated by means of a numerical example of the Salient Pole and Constant Airgap type machine. These two limiting cases bracket the characteristics of an actual Salient Pole type machine including the pole edge fringing flux. The results are discussed and commented upon in detail... View full abstract»

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  • Applications of Waste Processing Systems for Pressurized Water Reactors

    Publication Year: 1974, Page(s):149 - 157
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1693 KB)

    This paper provides an introduction in the application of Waste Processing Systems in the Westinghouse Pressurized Water Reactor plants. These systems employ the techniques of waste product concentration, long term storage, recycling and radiation monitoring in order to implement the basic philosophy governing radioactive releases established by national and international guidelines. In the United... View full abstract»

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  • A consideration on measurement of voltage callapse during chopping in chopped impulse test of transformer

    Publication Year: 1974, Page(s):158 - 166
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4064 KB)

    In the chopped impulse test of a transformer, a steep voltage collapse appears across the terminals of the transformer to be tested. This paper clarifies the wave shape of the voltage collapse during chopping and the requirements of a device for measuring the voltage collapse. View full abstract»

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  • Modelling of controlled rectifiers in feedback systems

    Publication Year: 1974, Page(s):167 - 175
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1293 KB)

    Controlled rectifiers are often incorporated in closed-loop systems. To determine the small signal performance of such systems the rectifier must be appropriately modelled. The paper reviews the existing models and compares their step response performance, Nyquist plots and stability boundaries. It is shown that a recently developed discrete model that takes into account the commutation angle is i... View full abstract»

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  • The IREQ Ultra High Voltage Laboratory and Test Facilities

    Publication Year: 1974, Page(s):176 - 186
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6456 KB)

    The High Voltage Laboratory of Hydro-Quebec Institute of Research (IREQ) has been designed to cater for research and test requirements on equipment for future systems of up to 1,500 kV rms nominal transmission voltage. Some of the factors which were considered during the planning of the laboratory are described. A number of problems which required unusual solutions are mentioned, and in addition, ... View full abstract»

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  • Identification of Electrical Parameters in Large Earth Grids

    Publication Year: 1974, Page(s):187 - 195
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1335 KB)

    The conductors in the earth-grid of a large electric power station must withstand for the maximum fault duration, current due to the worst case unbalanced fault. The fault duration and the worst case fault current may be calculated by well known means. However, the division of fault current when it is injected into the earth grid is difficult to determine with confidence. The authors describe a sc... View full abstract»

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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