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Power Apparatus and Systems, IEEE Transactions on

Issue 12 • Date Dec. 1966

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Displaying Results 1 - 16 of 16
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Page(s): c1
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  • IEEE Power Group

    Page(s): c2
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  • News

    Page(s): 1a - 3a
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  • Calendar

    Page(s): 4a
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  • Reliability and Optimum Design of the Interconnections of a Power System

    Page(s): 1191 - 1195
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    A power system is assumed to be a communication network where interconnecting lines are information channels and current flow is equivalent to information flow. Given a set of power stations and cities with current demands, the interconnecting (lossless) links may be unreliable. Techniques to compute the probability of satisfying the power demands and methods of increasing this probability are discussed. In reality, there is a cost associated with sending a flow through a given line. A synthesis procedure, based on linear programming, to design a minimum cost distribution system which satisfies the given power demands is presented. Various extensions and generalizations of the problem are also given. View full abstract»

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  • Corona-Loss Characteristics of EHV Transmission Lines Based on Project EHV Research

    Page(s): 1196 - 1212
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    Since 1960 the corona-loss characteristics of a variety of extra-high-voltage (EHV) transmission-line configurations have been under study at Project EHV [1], [2]. This paper presents results from the analysis of corona losses measured under all weather conditions experienced during 2¿years of observation of single or bundled conductors at 500 or 700 kV. In addition, corona characteristics are presented for switching-surge transients and severe steady-state overvoltages. The purpose of this paper is: 1) to summarize some of the statistical aspects of fair-and foul-weather corona-loss observations for the configurations studied, and 2) in terms of electrical and meteorological parameters, to describe an equation for corona loss on EHV lines that is in a form directly applicable by transmission engineers to EHV-line design. View full abstract»

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  • Radio-Noise Levels of EHV Transmission Lines Based on Project EHV Research

    Page(s): 1213 - 1230
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    The results of three years of experimental and theoretical research on transmission-line radio noise at Project EHV are presented. Computer programs were developed to process the data on a statistical basis, and as output provide both histograms and regression analyses for four test configurations operated at the 500-and 700-kV levels. Fair weather radio-noise levels were found to be significantly affected by relative humidity, relative air density, and absolute value of wind velocity, and these relationships are discussed. Wet-weather effects are presented and discussed. Both fair-weather and wet-weather experimental results are incorporated in a theoretical analysis of transmission-line radio noise resulting in a procedure which enables the transmission-line designer to predict, in advance of construction, average fair-weather and wet-weather radio-noise profiles for EHV transmission lines. View full abstract»

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  • Damping of Power Swings in a Parallel AC and DC System

    Page(s): 1231 - 1239
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    In an earlier paper, the authors presented a method of simulating a transmission system including ac and dc lines in parallel, and established the validity of the simulation. In this paper the method, which utilizes a direct and quadrature axis representation, is used to study with the aid of an analog computer the electromechanical oscillations in a system consisting of one machine tied to an infinite bus through two parallel transmission lines, one of which is ac and the other dc. Results make it clear that with proper dynamic control of power flow in the dc line, a substantial degree of damping of transient power swings may be achieved. View full abstract»

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  • Damping for the Northwest - Southwest Tieline Oscillations - An Analog Study

    Page(s): 1239 - 1247
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    Oscillations which developed on the initial transmission tie between the Northwest and Southwest systems brought about trip-outs and threatened to limit its usefulness. The analog study described reveals much about the nature of the oscillations and shows some unusual relief measures to be possible. While sources of the negative damping were indicated to be such that correcting them directly might be impracticable, means of offsetting them with stabilizing effort developed by special control of fast responding generation are proposed. The required stabilizing effort is indicated to be within the capability of a large nonreheat steam unit. This amount is startlingly small for influencing such large systems. View full abstract»

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  • Design and Application of EHV Shunt Reactors

    Page(s): 1247 - 1258
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    This paper discusses the use of EHV shunt reactors on transmission systems from the application and reactor design viewpoints. Various factors relating to reactor construction, including testing, are discussed, and emphasis is placed on a gapped-core design for EHV applications. The results of steady-state and transient performance studies for this design are presented. View full abstract»

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  • Insulation Tests for the Design and Uprating of Wood-Pole Transmission Lines

    Page(s): 1258 - 1267
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    Since the demonstration that the switching-surge strength of suspension insulators is markedly influenced by the tower from which it is suspended, considerable test work has been done to evaluate this effect on steel and aluminum structures. An extension of this test work to wood-pole structures shows unexpected advantages in switching-surge strength due principally to the smaller electrical mass of the wood, but in part to its insulating properties. New evidence is also obtained on the reseal property of wood insulation, though causal relationships are not yet understood. Impulse strength tests of wood-porcelain systems corroborate and expand on prior findings. View full abstract»

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  • Contributors

    Page(s): 1268 - 1269
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  • Blank Page

    Page(s): 1270
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  • IEEE Transactions on Power Apparatus and Systems Annual Index 1966

    Page(s): 1270a - 1270p
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  • Blank Page

    Page(s): 1270b
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  • IEEE Power Group Committee Directory

    Page(s): i - xxviii
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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