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IEEE Transactions on Power Apparatus and Systems

Issue 3 • Date March 1966

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  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1966, Page(s): c1
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  • IEEE Power Group

    Publication Year: 1966, Page(s): c2
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  • IEEE News

    Publication Year: 1966, Page(s):1a - 4a
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  • Power News

    Publication Year: 1966, Page(s):5a - 7a
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  • Calendar

    Publication Year: 1966, Page(s): 8a
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  • An Analog Computer Study of a Parallel AC and DC Power System

    Publication Year: 1966, Page(s):191 - 209
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2370 KB)

    Overall critical evaluation of the dynamics of EHV dc-power transmission requires that a variety of system conditions and effects of many parameters be studied. Problems can be strictly electrical or electromechanical. In general, those that fall in the former category are of short time duration, while those in the latter may be either of intermediate duration, on the order of 1 second, or of long... View full abstract»

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  • A Direct-and Quadrature-Axis Representation of a Parallel AC and DC Power System

    Publication Year: 1966, Page(s):210 - 225
    Cited by:  Papers (46)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1984 KB)

    Some typical results of an analog computer study of a parallel ac-dc power system are given in a companion paper. Commutations of both inverter and rectifier bridges are among the simulations detailed. Recognizing that individual commutations are of negligible importance for many phenomena, a simpler system simulation seemed feasible on the analog computer, and this was begun. Not only was the sim... View full abstract»

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  • Improving Transient Stability of AC System by Joint Usage of DC System

    Publication Year: 1966, Page(s):226 - 232
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1375 KB)

    Studies of stability problems are expected to be developed in parallel ac-dc systems. Results obtained by the experiment on the artificial ac and dc transmission facilities were: the more the dc power of steady state compared with the ac power, the more the transient stability is improved. The transient stability is improved if the dc power is rapidly increased in case of faults in the ac system. ... View full abstract»

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  • Unbalanced Converter Operation

    Publication Year: 1966, Page(s):233 - 239
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1234 KB)

    The results of a digital computer investigation of the effects of unbalanced alternating voltages on converter operation is described. The problem is approached from the standpoint of symmetrical components and an exact analysis has been carried out for an arbitrary ratio of positive and negative sequence voltages. Variation of the grid control firing angle has been considered permitting a full ra... View full abstract»

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  • Ground Current in High-Voltage Transmission I - Preliminary Report on Columbia Basin Tests

    Publication Year: 1966, Page(s):240 - 247
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1630 KB)

    High-voltage dc transmission has been proposed for linking the power networks of the Pacific Northwest and Southwest. An advantage of direct current, not possessed by alternating current, is that one-half the rated power of a line can be transmitted, with one conductor out of service, by allowing the current in the remaining conductor to return through the earth. To realize this advantage, however... View full abstract»

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  • Direct Current Ground Electrode Behavior

    Publication Year: 1966, Page(s):248 - 253
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1119 KB)

    The conducting of moderately high direct current through earth between variously sized electrodes installed in different types of soil has provided test data which, while in general agreement with expectations [1]-[3], places much more emphasis on the electrode-to-earth contact area than had been necessary in past designs, which were primarily used for conducting ground currents of short time dura... View full abstract»

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  • Investigations of Ground Current Phenomena Associated with HV DC Transmission

    Publication Year: 1966, Page(s):254 - 260
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1573 KB)

    A brief outline is presented of major considerations when the earth is proposed for use as a return conductor on high-voltage direct-current transmission systems. Approximate values are given of earth potential gradients near an electrode, as determined in 1963 near Tracy switchyard by relatively low magnitude test currents and small spacings of test electrodes. Similar, more precise values are li... View full abstract»

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  • Electrodes for EHV DC Transmission in a Metropolitan Area

    Publication Year: 1966, Page(s):260 - 264
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1066 KB)

    Increased reliability of EHV dc transmission systems is obtained through the use of the earth as a return circuit during emergency periods when one pole is out of service. Earth return operation requires electrodes which can conduct full line current into the earth without damage to surrounding underground structures and facilities. This paper describes theoretical and field investigations made to... View full abstract»

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  • A Study of Alternators with Superconducting Field Windings: I - Analysis

    Publication Year: 1966, Page(s):264 - 274
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1562 KB)

    This paper presents an analysis of the performance and specific power output of iron-free alternators utilizing superconducting field windings and room-temperature armatures. Two basic configurations are considered: a stationary superconducting field winding surrounded by a rotating room-temperature armature and a rotating room-temperature armature surrounded by a stationary superconducting windin... View full abstract»

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  • A Study of Alternators with Superconducting Field Windings: II - Experiment

    Publication Year: 1966, Page(s):274 - 280
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2505 KB)

    This paper describes a program to determine the operating characteristics of an experimental alternator using super-conducting field coils. The alternator itself consisted of a stationary superconducting 4-pole field winding made of 6800 turns of copper-plated Formvar-insulated Nb-25-percent Zr wire which had a critical current of 28 amperes. The field winding was inserted into a finger at the bot... View full abstract»

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  • Orthogonal Networks

    Publication Year: 1966, Page(s):281 - 294
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2335 KB)

    This paper establishes the mathematical structure of orthogonal networks where both open-and closed-path currents flow simultaneously. A summary of the augmented all-mesh and inverse networks is presented. The structure of the network laws of all variables in the orthogonal networks is derived and simplifications of the conventional mesh and open-path networks are presented. View full abstract»

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  • Discount Rate for Present Wort Studies

    Publication Year: 1966, Page(s):295 - 303
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1970 KB)

    The purpose of this paper is to present the principles governing the determination of the discount rate which should be used by engineers in making economic and feasibility studies, especially when using the present worth method. The discount rate should reflect current and expected interest costs and equity earnings rather than the imbedded costs as allowed by regulatory authorities in the rate o... View full abstract»

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  • Late Discussion

    Publication Year: 1966, Page(s):303 - 307
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  • Contributors

    Publication Year: 1966, Page(s):307 - 311
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  • Blank Page

    Publication Year: 1966, Page(s): 311a
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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