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IEEE Transactions on Power Apparatus and Systems

Issue 3 • Date May 1974

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Displaying Results 1 - 25 of 34
  • IEEE Transactions on Power Apparatus and Systems - Table of contents

    Publication Year: 1974, Page(s):c1 - 1008-b
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    Freely Available from IEEE
  • IEEE Power Engineering Society

    Publication Year: 1974, Page(s): c2
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    Freely Available from IEEE
  • Optimal Load Flow with Steady-State Security

    Publication Year: 1974, Page(s):745 - 751
    Cited by:  Papers (355)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1497 KB)

    The Dommel-Tinney approach to the calculation of optimal power-system load flows has proved to be very powerful and general. This paper extends the problem formulation and solution scheme by incorporating exact outage-contingency constraints into the method, to give an optimal steady-state-secure system operating point. The controllable system quantities in the base-case problem (e.g. generated MW... View full abstract»

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  • Probabilistic Load Flow

    Publication Year: 1974, Page(s):752 - 759
    Cited by:  Papers (175)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (976 KB)

    The paper describes a method for evaluation of power flow which takes into consideration uncertainty of node data. The essence of the method is that the net loads are given as a set of values together with additional information on the frequency of its accuracy. The described mathematical model and the practtical application are discussed and an example given. View full abstract»

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  • Commutation by Armature Induced Voltage in Self-Controlled Synchronous Machines

    Publication Year: 1974, Page(s):760 - 766
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1132 KB)

    A self-controlled synchronous machine drive system consists of a frequency converter, a control loop utilizing ashaft angle sensor as the primary control input, and a conventional synchronous machine. The static and dynamic characteristics of the system are similar to those of a dc machine. View full abstract»

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  • Stability Performance of 555 MVA Turboalternators - Digital Comparisons with System Operating Tests

    Publication Year: 1974, Page(s):767 - 776
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2839 KB)

    Comparisons are made between operating tests on 555 MVA turboalternators, and computer simulations of these machines connected to a complex power network. The simulations were performed using two sets of alternator stability data -one set calculated on the basis of standard ANSI definitions, and the second set derived from appropriate field measurements on the alternators, using frequency response... View full abstract»

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  • Synchronous Machine Operational Impeadances From Low Voltage Measurements at the Stator Terminals

    Publication Year: 1974, Page(s):777 - 784
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1438 KB)

    Models of a synchronous machine for use in stability studies have been derived by measurements off-line at standstill. The method involves accurate determination of magnitude and phase of the impedance as seen at the stator terminals, for a range of frequency from 0.005 to 100 Hz. The data obtained pertains particularly to establishment of parameters for equivalent rotor circuits of varying degree... View full abstract»

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  • Studies on an SCR Controlled Variable Speed DC Shunt Motor

    Publication Year: 1974, Page(s):785 - 792
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1014 KB)

    This paper describes the analytical and experimental studies on a variable speed dc shunt motor driven by a single phase full-wave rectified power supply using SCRs. The studies comprise torque-speed characteristics and system stability. The expressions derived in the paper can be gainfully employed in designing such speed control circuits. View full abstract»

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  • Rating, Capabilities, and Operation of Combustion Gas Turbine Driven Generators

    Publication Year: 1974, Page(s):793 - 802
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5448 KB)

    Combustion gas turbine driven generators, now widely used for both utility and industrial power generation, require output characteristics that are properly matched to the prime movers' capabilities at varying ambient temperatures as well as the varying turbine combustion temperatures. This paper reviews the requirements for securing such a match and the methods of determining the operating capabi... View full abstract»

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  • Approach to Experimental Electric Power Engineering Education-II

    Publication Year: 1974, Page(s):803 - 811
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2943 KB)

    Several examples are presented to illustrate the ease with which the fundamental principles underlying transient inrush currents, ferroresonance phenomena, neutral instability, and series capacitor induced self-excitation in generators can be demonstrated experimentally in the fractional horsepower machinery laboratory described in an earlier paper. View full abstract»

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  • Remotely Multiplexed Data Acquisition for Media Systems

    Publication Year: 1974, Page(s):812 - 819
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1077 KB)

    The MEDIA digital process control system providing a comprehensive approach to computer control, centralized display, and operator intervention is briefly reviewed. This system consists of a range of modules for encoding individual measurements, generating individual loop control functions, and adjusting individual regulating elements on a continuous basis without using sampling techniques. View full abstract»

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  • Optimal Power Dispatch

    Publication Year: 1974, Page(s):820 - 830
    Cited by:  Papers (77)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1858 KB)

    This paper presents an economic dispatch procedure for allocating generation in a power system by the use of the Jacobian matrix. The major advantage of the procedure over other optimal dispatch procedures is its inherent simplicity and rapid convergence behavior which are characteristics particularly omportant for on-line implementation. Results obtained from an investigation of its convergence f... View full abstract»

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  • The Apple Grove 750 kV Project Statistical Analysis of Audible Noise Performance of Conductors at 775 kv

    Publication Year: 1974, Page(s):831 - 840
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1704 KB)

    This paper presents the results of a statistical anaylsis of conductor corona generated audible hoise as measured at the Apple Grove 750 kV Test Project, a joint field investigation sponsored by the American Electric Power Service Corporation and the Westinghouse Electric Corporation. A comparison of simultaneous audible noise data is made on three sizes of four conductor bundles [diameter of 1.38... View full abstract»

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  • Induction Machine Analysis for Arbitrary Displacement Between Multiple Winding Sets

    Publication Year: 1974, Page(s):841 - 848
    Cited by:  Papers (134)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1139 KB)

    The steps in t he applied voltages of a three-phase, inverter-induction motor drive system cause undesirable pulsations in motortor By using multiple inverters connected to a multiphase machine with appropriate winding displacements, significant improvement in system performance is possible. The winding displacements required, however, are not necessarily the symmetrical displacements used in stan... View full abstract»

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  • Hybrid-Parameter Models of Synchronous Machines

    Publication Year: 1974, Page(s):849 - 858
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1274 KB)

    The classical two-axis model of the synchronous machine governed by Park's equations is expanded by' viewing the magnetic-field couplings along each axis as multiports characterized by typical matrices whose elements are pertinent open-circuit, short-circuit, hybrid parameters and system functions associated with specific port constraints. Four equivalent state models are presented. A hybrid dynam... View full abstract»

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  • Fast Decoupled Load Flow

    Publication Year: 1974, Page(s):859 - 869
    Cited by:  Papers (727)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2146 KB)

    This paper describes a simple, very reliable and extremely fast load-flow solution method with a wide range of practical application. It is attractive for accurate or approximate off-and on-line routine and contingency calculations for networks of any size, and can be implemented efficiently on computers with restrictive core-store capacities. The method is a development on other recent work emplo... View full abstract»

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  • Effects of Zero Sequence Modeling and Transposition on Switching Surge Overvoltages

    Publication Year: 1974, Page(s):870 - 877
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2291 KB)

    Zero-sequence frequency dependent parameters for a transmission line with both ground wires and earth return paths and the effects of nontransposition are modeled on an analog transmission system simulator. The effects of this detailed modeling on the overvoltages experienced by a 200 mile 765 kV transmission system. link are investigated, for a variety of switching surge and fault initiation oper... View full abstract»

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  • Natural Pollution Test of Insulators Energized with DC High Voltage

    Publication Year: 1974, Page(s):878 - 883
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2063 KB)

    Various types of insulators have been energized with ±250 kV dc voltage and exposed to natural conditions by the seaside continuously. Salt deposit density and flashover phenomenon of these insulators have been investigated extensively for about two years. According to the results obtained so far, the influence of dc voltage application on the salt deposit density was not so notable as expected, ... View full abstract»

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  • A New Decoupled Load Flow Method

    Publication Year: 1974, Page(s):884 - 891
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    A quick, reliable and new method for solivng the load flow problem in electrical power systems is presented. It is called the decoupled voltage vectors and Newton's method. The method has advantages over Newton' s method in terms of computer storage, speed and reliable convergence. It also has advantages over all other known methods in terms of computer storage, and is as reliable convergent and a... View full abstract»

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  • Electromagnetic Effects of Overhead Transmission Lines Practical Problems, Safeguards, and Methods of Calculation

    Publication Year: 1974, Page(s):892 - 904
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2518 KB)

    This paper summarizes practical problems associated with electromagnetic currents induced by high voltage transmission lines. It deals with the safeguards necessary to counteract these currents and develops a method of calculation of electromagnetically induced voltages and currents. View full abstract»

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  • Radio Noise Meter Response to Random Pulses by Computer Simulation

    Publication Year: 1974, Page(s):905 - 915
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1992 KB)

    The radio interference from high voltage transmission lines is generally measured using either the CISPR or the ANSI type of instrument to give the quasipeak value and in some cases also the peak and average values, of the interference. However, because of the random and uncorrelated nature of corona generation on the transmission lines, the analysis of radio interference propagation can be made o... View full abstract»

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  • Coefficient of Variation of the Positive-Impulse Breakdown of Long Air-Gaps

    Publication Year: 1974, Page(s):916 - 927
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2305 KB)

    Extensive impulse breakdown tests on long air-gaps show that the coefficient of variation C = ¿¿/U50% ¿¿ 100% depends on the form of the impulse. Tests were performed on three different gaps of 3, 5.90 and 8.75 meters long. The value of C for each form of the impulse was estimated by applying approximately 700 shots at appropriate voltage levels. The procedure used allowed C to be estimated with a... View full abstract»

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  • Operation of Synchronous Generators in the Asynchronous Mode

    Publication Year: 1974, Page(s):928 - 939
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1693 KB)

    The paper discusses some of the limiting factors associated with the asynchronous operation of synchronous generators. Expressions of the various quantities required for the theoretical analysis are derived on the basis of an idealized model of a generator which is connected to an infinite bus. The generator is assumed to be operating at a constant slip. The results obtained from the experimental ... View full abstract»

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  • A Comparative Study of the Corona Performance of Conductor Bundles for 1200 KV Transmission Lines

    Publication Year: 1974, Page(s):940 - 949
    Cited by:  Papers (34)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2905 KB)

    As part of a general study on the possible use of UHV transmission lines in the range of 1200 kV for the James Bay Project, the corona performance of four conductor bundles -6 ¿¿1. 823", 6 ¿¿1. 998", 8 ¿¿1. 63 " and 8 ¿¿1.823"-has been studied in outdoor test cages under conditions of heavy artificial rain and fair weather. The radio interference, audible noise and corona losses of the four conduc... View full abstract»

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  • 69KV Ungrounded Neutral Tee Joints for Solid Dielectric Cable System

    Publication Year: 1974, Page(s):950 - 959
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1514 KB)

    This reports the development, testing, installation, and operation of 69Kv ungrounded neutral tee joints for a crosslinked polyethylene (XLPE) cable circuit, which is the sole supply for a downtown urban renewal area in Lexington, Kentucky. The total circuit length is 3030 feet, consisting of three sections, the longest being 1630 feet. Conductor connections were made with a heat-fusion process. J... 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