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IEEE Transactions on Power Apparatus and Systems

Issue 4 • July 1973

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Displaying Results 1 - 25 of 42
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1973, Page(s): c1
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    Freely Available from IEEE
  • IEEE Power Engineering Society

    Publication Year: 1973, Page(s): c2
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    Freely Available from IEEE
  • Influence of Inorganic Fillers on the Voltage Endurance of Solid Dielectric Power Cables

    Publication Year: 1973, Page(s):1169 - 1173
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2908 KB)

    Results of work undertaken to evaluate solid dielectric materials containing inorganic fillers with respect to voltage endurance are reported. The results obtained are associated with degradation caused by the growth of dendrites within the solid dielectric when under voltage stress. View full abstract»

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  • Proximity Effects in Cylindrical Bus Enclosures

    Publication Year: 1973, Page(s):1174 - 1179
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (686 KB)

    General expressions for proximity effects in cylindrical bus enclosures (isolated phase bus, continuous type) have been developed based on Maxwell's equations for electromagnetic fields. It covers cases of enclosures with finite thickness and made of material with given physical properties. View full abstract»

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  • Operation of the Gaseous Diffusion Enrichment Process

    Publication Year: 1973, Page(s):1180 - 1185
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8182 KB)

    The gaseous diffusion process is used to increase the concentration of fissionable uranium-235 above the 0.711% as found in natural uranium. Enrichment of this isotope is necessary to provide fuel to make nuclear power reactors economically attractive. This paper portrays the actual operation of a gaseous diffusion plant.1 View full abstract»

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  • Experience of the New England System with Generator Protection by Resonant Neutral Grounding

    Publication Year: 1973, Page(s):1186 - 1194
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1715 KB)

    Highly sensitive ground fault relaying for generators in unit connection results from resonant neutral grounding. This scheme has the purpose to detect ground faults in their incipient stages anywhere on the low voltage side of the generator, that is, in the generator winding, the connections from the generator to the transformer and the transformer low voltage winding. The inherent advantages of ... View full abstract»

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  • From High-Temperature Gas-Cooled Reactors to Gas-Cooled Fast Breeder Reactors

    Publication Year: 1973, Page(s):1195 - 1200
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4701 KB)

    The evolution of gas-cooled reactors is described and the advantages of helium as a reactor coolant stemming from its inertness and the fact that it is a single-phase coolant are discussed. The High-Temperature Gas-Cooled Reactor (HTGR) forms the basis for the current design of a Gas-Cooled Fast Breeder Reactor (GCFR). The extensive use of existing HTGR technology and the similarities between GCFR... View full abstract»

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  • The Uranium Industry - Exploration, Mining, and Milling

    Publication Year: 1973, Page(s):1201 - 1208
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1614 KB)

    This paper describes in more general terms, for the interested engineer and executive not directly concerned with the raw material aspects of uranium, a review of the technology of finding and producing uranium, and the United States uranium resources. View full abstract»

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  • Engineered Safety Features System by Solid State

    Publication Year: 1973, Page(s):1209 - 1216
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2781 KB)

    One of the protection systems in the nuclear power plant is the engineered safety features system. The design of an engineered safety features system, utilizing solid state circuitry, is presented in the following. The solid state engineered safety features system provides a flexible, accurate, compact and reliable system. This is accomplished by selecting components with low failure rate, dividin... View full abstract»

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  • Optimum Network Var Planning by Nonlinear Programming

    Publication Year: 1973, Page(s):1217 - 1225
    Cited by:  Papers (54)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1767 KB)

    Controllable network VAr compensators are required in high voltage transmission networks for system loss reduction and voltage maintenance during normal and emergency operation. Long term planning of network compensators is generally based on contingencies which cause the system voltage to move out of the desired operational range. A non-linear analysis based on multi-contingency states is present... View full abstract»

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  • Control of Residual Flux in Current Transformers

    Publication Year: 1973, Page(s):1226 - 1233
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1079 KB)

    This paper provides additional data about residual flux in current transformers including evaluation of the effect on metering and relaying performance, and methods of measurement and control. View full abstract»

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  • Improved Maintenance Approach for Large Generator Armature Windings Subject to Insulation Migration

    Publication Year: 1973, Page(s):1234 - 1238
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3343 KB)

    Forced outages due to failures of asphalt-mica insulated armature windings have been investigated. Based on information obtained from the public utilities, it is shown how the grounding and maintenance methods affect the possible core damage on older large turbine-generators. The probability of an outage can be greatly reduced by planned inspection, maintenance tests, and by replacement of those f... View full abstract»

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  • Dynamic Stability Determination by Synchronizing and Damping Torque Analysis

    Publication Year: 1973, Page(s):1239 - 1246
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1179 KB)

    Field tests, computer simulation of the field tests, and computation of synchronizing and damping torque coefficients by means of frequency response analysis and modified frequency response analysis were carried out for the Mactaquac hydraulic turbine generators of the New Brunswick Electric Power Commission. The collected data is used to verify that the power stabilizers increase stability of the... View full abstract»

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  • Generator I22t Requirements for System Faults

    Publication Year: 1973, Page(s):1247 - 1251
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (821 KB)

    The design of turbine generators is strongly influenced by their requirements for negative sequence duty. In conjunction With a current revision to the ANSI C-50 standards, a review was made of the system requirements for I22t capability in generators of directly cooled sizes, tied into high voltage transmission systems. The results of these studies, which is the subjict of this paper, indicate th... View full abstract»

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  • A generalized machine theory of the linear induction motor

    Publication Year: 1973, Page(s):1252 - 1259
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1066 KB)

    A formulation of the linear induction motor based on the generalized machine theory is derived from the e.m. field theory formulation. The study includes short-stator end effect and a physical interpretation for the performance degradation due to end-effects. Results from the formulation are correlated with published data. View full abstract»

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  • Quadrature Axis Force and Generator Core Vibration

    Publication Year: 1973, Page(s):1260 - 1265
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1286 KB)

    In earlier papers1 2 the authors described investigations into the behaviour of stator end windings and stator cores. Details were given of the results of vibration measurements at the external circumference of the stator core laminations2. It was postulated that the vibration levels observed at rated current conditions were principally determined by the electromagnetic forces generated by the int... View full abstract»

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  • Switching Transients in Large Deep-Bar Squirrel Cage Induction Motors

    Publication Year: 1973, Page(s):1266 - 1273
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1061 KB)

    A theoretical basis is established for calculating the transient current and torque developed by an induction machine due to switching operations. The method of calculations is similar to that used for synchronous machines. The validity of the theory has been checked with the experimental results on a model induction motor. Formulae presented in this paper can be further simplified by using empiri... View full abstract»

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  • Efficient Techniques for Finite Element Analysis of Electric Machines

    Publication Year: 1973, Page(s):1274 - 1281
    Cited by:  Papers (59)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1847 KB)

    Highly efficient methods are described for implementing the finite element method for analysis of electric machines. These include improved techniques for generating Jacobian matrices, implicit handling of boundary conditions, spline approximations to reluctivity characteristics, compact matrix storage and manipulation, and semiautomatic node ordering. Analysis of finite element models involving 5... View full abstract»

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  • MIT-EEI Program on Large Superconducting Machines

    Publication Year: 1973, Page(s):1282 - 1286
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4105 KB)

    This paper is a progress report on the program at MIT to demonstrate the feasibility and potentials for the application of superconductors in the rotating field windings of large central station synchronous generators. A brief history of the program and a synopsis of previously reported results are given. The second experimental machine (which will have a rating of about 2 MVA) is described. View full abstract»

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  • Parameter Identification for Squirrel Cage Induction Machines

    Publication Year: 1973, Page(s):1287 - 1291
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (741 KB)

    This paper describes the application of a parameter optimizing technique to determine numerical values for a circuit model of a squirrel-cage induction machine. The model includes the effects of magnetic saturation of the main and leakage flux paths and skin effect in the rotor bars. All parameters have been measured at different voltage levels up to the rated value to demonstrate the effect of ma... View full abstract»

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  • Design Considerations on the P. P. F. for a Control Center

    Publication Year: 1973, Page(s):1292 - 1297
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1934 KB)

    Permanent Power Fuse which is called by the abbreviated name P. P. F. is an entirely new reusable fuse with excellent current limiting performance developed by Mitsubishi Electric Corp. of Japan1. Since our previous work on the development of the series of the low voltage P. P. F. up to 800 A1 ., various P. P. Fused devices have been applied to the actual field. Among these applications, the appli... View full abstract»

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  • Development of Residential Central Air Conditioning Transformer Load Management Correlation Equations

    Publication Year: 1973, Page(s):1298 - 1306
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2672 KB)

    The conventional peak kVA-kilowatthour usage relationships are not applicable for determining the peak kVA for transformers serving residential central air conditioning customers. The values of peak kVA for corresponding values of kWh consumption are significantly higher on transformers serving central air conditioning than those serving non-air conditioning loads. Traditionally, kWh sales has bee... View full abstract»

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  • Medical Follow-Up Study of High Voltage Linemen Working in AC Electric Fields

    Publication Year: 1973, Page(s):1307 - 1309
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (501 KB)

    This paper presents the final results of the effects upon the health of linemen engaged in the maintenance of energized electrical transmission over a period of nine years. An initial report1,2 was presented in 1966 at the IEEE Summer Meeting in New Orleans, and the study has been continued to 1972. The evaluation was begun in December 1962 with ten linemen, four from the Ohio Power Company and si... View full abstract»

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  • Computations of Fields and Forces in a Two-Sided Linear Induction Motor

    Publication Year: 1973, Page(s):1310 - 1315
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (723 KB)

    A double-sided short-stator linear induction motor excited by a sinusoidally-distributed current sheet is analyzed. The motor characteristics are computed by expressing the magnetic vector potential in terms of difference equations, digitally solving these equations for the vector potential. The performance such as forces, losses, Poynting vectors, and efficience are obtained from the vector poten... View full abstract»

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  • Per-Unit Reactances of Superconducting Synchronous Machinery

    Publication Year: 1973, Page(s):1316 - 1320
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (644 KB)

    Because superconducting machines lack well defined magnetic circuits and air gaps, some per-unit normalization methods used for conventional machines are not satisfactory. This paper presents six possible ways of normalizing the impedances of air-core machines, illustrating the processes with data from an experimental air core machine. It is found that a commonly used per-unit system may be used w... 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