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IEEE Transactions on Power Apparatus and Systems

Issue 6 • Date Nov. 1972

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Displaying Results 1 - 25 of 40
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1972, Page(s): c1
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  • IEEE Power Engineering Society

    Publication Year: 1972, Page(s): c2
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  • Membership Application for the IEEE Power Engineering Societyy

    Publication Year: 1972, Page(s): i
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  • Blank Page

    Publication Year: 1972, Page(s): ii
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  • Abstracts of Conference Papers

    Publication Year: 1972, Page(s):2255 - 2265
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  • Data Management and Allocation in ZBus Methods

    Publication Year: 1972, Page(s):2266 - 2270
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (926 KB)

    Data management and allocation is the systematic, efficient storage and retrieval of data. In impedance matrix (ZBUS) algorithms of power engineering, large blocks of data must be stored and accessed; core storage limitations often require that alternate media be employed as storage elements. The quantity of data in such algorithms makes data management philosophy highly desirable. In this paper, ... View full abstract»

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  • Linear Regulator Design for a Load and Frequency Control

    Publication Year: 1972, Page(s):2271 - 2285
    Cited by:  Papers (38)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2625 KB)

    The results of a dynamic optimization procedure in the design of load and frequency control (LFC) of power systems are presented. This design is based on the optimal linear regulator theory, accommodated to satisfy the performance objectives of the LFC in large multiarea interconnections. A proportional-plus-integral control law is considered. The paper also analyzes the influence of system and de... View full abstract»

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  • Unbalanced Operations of Three Phase Inductor Alternators with Damper Winding

    Publication Year: 1972, Page(s):2286 - 2294
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1074 KB)

    Four different types of unbalanced short-circuits of an inductor alternator are studied. The case of simultaneous unbalanced short-circuits of the alternator is studied for the first time. For each case, complete solutions for armature, field and damper-circuit currents, short-circuit torque and open-phase voltage are developed. A numerical example solved for all the four cases is given and compar... View full abstract»

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  • Effect of Load characteristic on the Dynamic Stability of Power Systems

    Publication Year: 1972, Page(s):2295 - 2304
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1420 KB)

    In order to include an accurate representation of loads in steady state stability investigations a method based on state space theory is suggested which due to its flexibility can be applied to any type of terminal equipment. In the present paper it is shown how the dynamical behaviour of loads may have a decisive influence on the stability limit of a power system. View full abstract»

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  • Use of Carrie Line Traps with no Tuning Packs

    Publication Year: 1972, Page(s):2305 - 2312
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1219 KB)

    This paper describes a tuning scheme that uses a self-resonant line trap coil as one leg of a pi-section bandpass filter. The significance of this circuit as a step toward elimination of problems with line trap tuning packs is discussed. Comparisons are drawn with other approaches to these problems. View full abstract»

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  • Report on DC Transmission Session

    Publication Year: 1972, Page(s):2313 - 2318
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1260 KB)

    This report briefly summarizes the seven papers in the session on DC Transmission. The papers represent a wide range of HVDC topics including control, protection, overvoltages caused by HVDC breakers, ground electrodes and harmonics. Many questions of interest have been put forward and these are accompanied by brief remarks. The purpose is to broaden the scope of discussion on each topic beyond th... View full abstract»

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  • An Automatic Control Scheme of HVDC Transmission Using Digital Techniques Part I Principles of Operation

    Publication Year: 1972, Page(s):2319 - 2324
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1062 KB)

    The requirements of HVdc converter control are achieved by dicrital techniques with minimisation of circuit complexity. Feed-back control is applied to modification of the counting of clock pulses derived from the ac system by a phase-locked frequency multiplier. Symmetry of the derived firinc, oulses can be retained for all modes of operation with smooth transition from full rectification to full... View full abstract»

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  • An Automatic Control Scheme for HVDC Transmission Using Digital Techniques Part II Circuit Considerations and Performance

    Publication Year: 1972, Page(s):2325 - 2332
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3222 KB)

    This paper elaborates on the principles of-a new type of practicable control scheme for HVdc converters using digital techniques as descri-bed in Part I. The implimentation of the required circuit functions are outlined. The circuits are Intended for real-system application and their-practicability is demonstrated by selected waveforms from tests with a system simulator. View full abstract»

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  • Recovery of HVDC Interconnectors from Disturbances in the Thyristor Bridge

    Publication Year: 1972, Page(s):2333 - 2341
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1289 KB)

    Use is made of a dynamic simulation programme to investigate the behaviour of HVDC inferconn` ctors during internal and external disturbances resulting in maloperation of the thyristor units. A comparison is made between conventional and newly proposed protective controls for their ability to regain normal operation. Special emphasis is given to invertor bridges connected to relatively small ac sy... View full abstract»

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  • Digital Similation of Traveling Waves in HVDC Transmission Lines

    Publication Year: 1972, Page(s):2342 - 2355
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1971 KB)

    Traveling waves arising from faults on HVdc transmission lines are computed digitally. Different analytical methods are compared and the termination of the lines at converter stations is given attention, including the dynamic effect of the control response which modifies the reflected voltages. View full abstract»

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  • Effect of a Two-Layer Earth on the Electric Field Near HVDC Ground Electrodes

    Publication Year: 1972, Page(s):2356 - 2365
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1546 KB)

    Analysis of the potential and field distribution in the vicinity of HVDC ground electrodes has-till now been confined to the-case of homogeneous earth. However, the case of an electrode buried in non-uniform earth is of greater practical interest. In most practical cases, the resistance variation of the earth may reasonably be characterised by a two-layer earth model, comprising a top layer of fin... View full abstract»

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  • The Impulse Generators at Les Renardieres

    Publication Year: 1972, Page(s):2366 - 2376
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11119 KB)

    This paper discusses some of the problems associated with the generation of lightning and switching impulses for research on U.H.V. systems. The solutions adopted for the impulse generators installed in the new U.H.V. laboratory of Electricite de France are described, and some performance details are given. View full abstract»

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  • Precision Capacitive Voltage Divider for Impulse Voltagge Measurements

    Publication Year: 1972, Page(s):2376 - 2382
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2205 KB)

    This paper describes a precision capacitive voltage divider for impulse voltage measurements. The main feature of the new divider is a compressed-gas capacitor in the high-voltage arm. The divider is insensitive to environmental influences, possesses outstanding high-frequency properties, and causes little loading of the high-voltage circuit. Its excellent linearity and stable ratio permit meaning... View full abstract»

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  • A New Approach to Multi-Segmented Rotor Slot Design for Induction Motors Part I

    Publication Year: 1972, Page(s):2383 - 2389
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    Appropriate segmenting and shaping of the rotor slot and bar cross-section, with respect to the skin-effect developing during acceleration, has a great potential in the design optimization of squirrelcage induction motors.├é┬┐Inherent major non-linearities of the pertinent complex mathematical relations, though, tend to make this potential inaccessible and hidden. View full abstract»

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  • A New Approach to Multi-Segmented Rotor Slot Design for Induction Motors for Induction Motors Part II

    Publication Year: 1972, Page(s):2390 - 2396
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1193 KB)

    The first step of the presented method development has been, in Section 2 of Part I, the "ddcoupling" of slot segments in slot-constant calculations, using segmental " Weighing Factors". The direct practical application of the Decoupling Method is restricted to rectangular-top two-segmented slots, having rectangular or tapered bottoit segments. Iteration of this method, indirectly, allows the hand... View full abstract»

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  • A New Approach to Multi-Segmented Rotor Slot Design for Induction Motors Part III

    Publication Year: 1972, Page(s):2397 - 2404
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1522 KB)

    The "Linear Equi-Permeance Rotor Slot" Model Theory, established in Parts I and II of this paper, have furnished the "conceptual tooling" and the methods for the efficient handling of multi-segmented rotor slots, in optimization analyses with respect to shape, number of segments and proportions. In essence, what has been created, is the availability of such design analysis techniques, which do ove... View full abstract»

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  • Transmission Interchange Capability - Analysis by Computer

    Publication Year: 1972, Page(s):2405 - 2414
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2190 KB)

    A program has been developed for determining the transmission system interchange capability and those outages and elements which could limit the transfer of energy between interconnected power systems. The method has been extensively tested during interchange capability studies of the Mid-America Interpool Network (MAIN). The program has proven to be an effective planning and operating tool, reduc... View full abstract»

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  • Synthetic Paper for Extra Highh Voltage Cable

    Publication Year: 1972, Page(s):2415 - 2426
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5602 KB)

    Extra high OF cables insulated by synthetic paper exclusively made of synthetic polymer were developed. It has been proved that the synthetic paper, given a structure similar to conventional paper, showed more favorable electric and physical characteristics and oil resistance, thus solving problems of extra high OF cables using films for insulation. This improvement is due to a structure having mi... View full abstract»

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  • Studies of Spark Formation at High Switching Voltages of Positive Polarity

    Publication Year: 1972, Page(s):2427 - 2436
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (7682 KB)

    Studies of the development of pre-discharges with large air gaps and positive switching voltages of 1.5 and 2.0 MV are reported. Measurements of the charge flowing into the gap and recordings obtained with a high-resolution image converter have shown that the origin of the filamentary brush-like discharges moves forward at an almost constant rate of a few cm/Ms, and that variations in luminosity a... View full abstract»

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  • Contamination Flashover, Part I: Theoretical Aspects

    Publication Year: 1972, Page(s):2437 - 2442
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1110 KB)

    This paper discusses some of the physical processes involved in the flashover of insulators with contaminated surfaces. Past theories of discharge propagation across moist films are reviewed and found to be unsatisfactory in certain respects. To better account for what is observed, it is proposed that under certain conditions contamination flashover is an electrical breakdown process, rather than ... 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