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IEEE Transactions on Power Systems

Issue 1 • Date Feb. 1987

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Displaying Results 1 - 25 of 52
  • Table of contents

    Publication Year: 1987, Page(s): c1
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    Freely Available from IEEE
  • IEEE Power Engineering Society

    Publication Year: 1987, Page(s): c2
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    Freely Available from IEEE
  • Reliability Calculation under Planned Maintenance

    Publication Year: 1987, Page(s):1 - 7
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (641 KB)

    This paper provides an extension to methods for computing reliability indices in the case of planned maintenance, in particular, a new formula for the frequency of system failure due to overlapping of two outages, forced and planned, is derived for two components. A numerical example illustrates the possibilities of the proposed approach. View full abstract»

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  • Discussion

    Publication Year: 1987, Page(s): 7
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  • Constrained Load Flow Using Recursive Quadratic Programming

    Publication Year: 1987, Page(s):8 - 16
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1595 KB)

    The present paper will discuss the efficient, practical and definitive algorithm for dealing with constrained load flow problems. Algorithms based on mathematical programming and algorithms based on the load flow calculation methods have been studied since earlier days. However, on account of numerous control variables to be determined and of inadequate calculating efficiency, the guarantee of unf... View full abstract»

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  • Torsional Interactions between Synchronous Generators and Long Transmission Lines

    Publication Year: 1987, Page(s):17 - 22
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1799 KB)

    The dangers of subsynchronous resonance in series capacitor compensated transmission lines have led some utilities to consider the alternative of shunt capacitive compensation, since the electrical resonant frequencies in this case are usually considered to be supersynchronous. However, in heavily compensated or very long lines, at least one of the resonant frequencies may become subsynchronous. T... View full abstract»

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  • Discussion

    Publication Year: 1987, Page(s):23 - 24
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  • A New Approach for Optimal Allocation and Economical Capacity of Generation Reserve

    Publication Year: 1987, Page(s):25 - 30
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1011 KB)

    Determination of the installed reserve capacity is an essential part of the power system planning. Considering the network limitations, not only the amount of installed reserve capacity, but also the location of this capacity is an essential factor in improving the reliability level of the system. A new appoach to select the most suitable locations for the installed reserve capacity and its distri... View full abstract»

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  • Using Decoupled Characteristic in the Synthesis of Stabilizers in Multimachine Systems

    Publication Year: 1987, Page(s):31 - 35
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1208 KB)

    A decoupled characteristic between the damping of a specific swing mode and the stabilizer gain of the corresponding machine in multimachine power systems is identified. Using this decoupled characteristic a power system stabilizer (PSS) synthesis approach which is based on the phase compensation concept is verified on a 9-machine system and the dynamic performance of this system is significantly ... View full abstract»

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  • Discussion

    Publication Year: 1987, Page(s):35 - 36
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  • Direct Transient Stability Analysis Using Energy Functions Application to Large Power Networks

    Publication Year: 1987, Page(s):37 - 43
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1242 KB)

    This paper deals with the demonstration of the Transient Energy Function (TEF) method in large, realistic power networks. Documented examples of application in power system operation and associated software development for systems up to 228-generators and 1644-buses are given. An overview of the analytical and computational problems encountered in the large scale application of the TEF method is p... View full abstract»

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  • Discussion

    Publication Year: 1987, Page(s): 44
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  • A Methodology for Dynamic Utility Interactive Operation of Dispersed Storage and Generation Devices

    Publication Year: 1987, Page(s):45 - 51
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1329 KB)

    This paper is introducing a new methodology for the dynamic integration of dispersed storage and generation devices into the electric utility distribution network operations. The dispersed source is viewed as an active device contributing towards the regulation of real and reactive power flows while improving the stability of the power system. Conceptual means are developed for an effective DSG-ut... View full abstract»

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  • A Cost-Minimizing Approach for Coordinating Short-Term Unit Outages

    Publication Year: 1987, Page(s):52 - 57
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1024 KB)

    "How should outages of generating units be coordinated to minimize the total system production costs?" To help answer this question, the control staff at Virginia Electric and Power Company (VEPCO) has been using a unit-commitment program that has a global-optimization capability. The purpose of this paper is to review the outage-coordination problem from a system operator's perspective, describe ... View full abstract»

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  • New Energy Management System for the Dutch Power Pool

    Publication Year: 1987, Page(s):58 - 64
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4419 KB)

    A new EMS has been ordered to be installed in 1987 for the control of electricity production and main transmission in the Netherlands. The functions of the national control center and their development during the years are indicated. Reasons for ordering a new EMS and the main characteristics of this new system are described. View full abstract»

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  • Fast Thermal Generation Rescheduling

    Publication Year: 1987, Page(s):65 - 71
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1341 KB)

    A new dynamic programming algorithm for fast rescheduling thermal generation is presented. The savings in computational times are brought about by the introduction of two new techniques: the variable truncation dynamic programming and the limitation of the solution space to be searched. Several examples on a 20 machine system are used to illustrate the application of the algorithm and to show that... View full abstract»

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  • A Decomposition Approach to Preventive Planning of Reactive Volt Ampere (VAR) Source Expansion

    Publication Year: 1987, Page(s):72 - 77
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1658 KB)

    This paper presents a two-level approach for determining the minimum cost expansion pattern (location and size) of new reactive compensation sources that would ensure steady-state secure operation of large scale power systems not only under a given set of operating conditions for the intact system, but also under contingency conditions. This preventive planning problem is decomposed into a var dis... View full abstract»

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  • Power Mismatch Detection and Estimation for Emergency Control

    Publication Year: 1987, Page(s):78 - 84
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1284 KB)

    This paper considers one aspect of the problem of the control of power systems in the emergency state exhibiting a severe viability crisis characterized by large load/generation imbalances. The proposed centralized control strategy resuls in structural action on demand/generation and is based on fast and decentralized detection and estimation of the power imbalance in the areas of an interconnecte... View full abstract»

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  • The New National Control Centre, Ireland

    Publication Year: 1987, Page(s):85 - 91
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1598 KB)

    The new National Control Centre for the Electricity Supply Board (ESB), Ireland, currently undergoing site commissioning, will be in operation in September 1986. The Control Centre will control a single 2200 MW island network. The control centre is being supplied under a supply contract with Landis & Gyr, Zug, Switzerland. There is a high degree of customer participation and emphasis is laid on cu... View full abstract»

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  • Low Frequency Oscillations in Longitudinal Power Systems: Experience with Dynamic Stability of Taiwan Power System

    Publication Year: 1987, Page(s):92 - 98
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1218 KB)

    Sustained low frequency oscillations have been observed in Taiwan power system which is of longitudinal structure. It is the purpose of this paper to examine the various factors affecting the damping characteristics of these oscillations which caused dynamic instability problem in the operation of Taiwan power system. It is observed that the amount of power flow on the EHV transmission line and th... View full abstract»

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  • Discussion

    Publication Year: 1987, Page(s):99 - 100
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  • A Fast Production Scheduler for Generation Expansion Planning in a Hydro-Thermal System

    Publication Year: 1987, Page(s):101 - 107
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1567 KB)

    A fast production scheduling algorithm suitable for generation expansion studies is described in this paper. It can handle several independent rivers, thermal plants, pumped storage plants, import, export, and internal non-firm markets. Inflows and load are deterministic and a one-reservoir limit is imposed on each river. The scheduling problem is formulated as a generalized network problem which ... View full abstract»

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  • An Approach to Conservation and Load Management Economic Analysis

    Publication Year: 1987, Page(s):108 - 112
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (982 KB)

    This paper discusses a technique used by Northern States Power Company for the evaluation of conservation and load management alternatives. The technique involves examining the cumulative present worth of the avoided costs net of revenue effects due to proposed programs. The factors considered include annual revenue requirements for generation operation and maintenance, generation capacity, genera... View full abstract»

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  • Long Term Power System Simulation for Real-Time Training with a Reduced Size Program

    Publication Year: 1987, Page(s):113 - 118
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1209 KB)

    This paper presents a brief description and discussion of the results of a reduced size computer program for long-term power system simulation. It includes detailed models of a hydro, a coal-fired and a pressurized water reator (PWR) generation plant. Typical data taken from operating records have been used. Since the simulation runs faster then real-time, the program can be used as a power system... View full abstract»

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  • A Unique Method of Evaluation of System Damping in Simulations of Large Power Systems

    Publication Year: 1987, Page(s):119 - 122
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (589 KB)

    This paper documents a practical numerical method of evaluating damping of slow oscillations in computer simulations of large power systems. This technique has been tested and improved over the last two years. The damping coefficients can assist in evaluation of acceptable transfer limitations. The proposed method also provides a means to evaluate the sensitivity of various transfer path loadings ... View full abstract»

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Aims & Scope

Covers the requirements, planning, analysis, reliability, operation, and economics of electric generating, transmission, and distribution systems for general industrial, commercial, public, and domestic consumption.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Nikos Hatziargyriou
National Technical University of Athens