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# IEEE Transactions on Power Systems

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Displaying Results 1 - 25 of 58
• ### Author index

Publication Year: 1997, Page(s):1 - 21
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• ### Subject index

Publication Year: 1997, Page(s):21 - 75
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• ### Methods for calculating oscillations in large power systems

Publication Year: 1997, Page(s):1639 - 1648
Cited by:  Papers (46)
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The authors present algorithms to calculate the Hopf bifurcation related segment of the feasibility boundary for a realistically large power system model. The algorithms are used by calculating the Hopf-related segment of the feasibility boundary, for the well-recorded June 12, 1992 disturbance on the midwestern segment of the US interconnected power system for analyzing the resulting oscillations... View full abstract»

• ### Harmonic modelling of non-linear load by means of crossed frequency admittance matrix

Publication Year: 1997, Page(s):1632 - 1638
Cited by:  Papers (47)
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An alternative harmonic model for representing power system nonlinear loads by a “crossed-frequency” admittance matrix is presented in the paper. This harmonic model is applicable to passive and stationary electrical loads assuming a constant fundamental frequency voltage. Results of the proposed harmonic model are reported and compared with experimental tests View full abstract»

• ### Energization transients of shunt reactors

Publication Year: 1997, Page(s):1626 - 1631
Cited by:  Papers (5)
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This paper investigates the impacts of energization transients of large shunt reactors on the operation of HVAC and HVDC/AC power systems. The Electromagnetic Transients Program for DC systems (EMTDC) is used for these simulation studies. The studies conclude that shunt reactor energization can result in undesirable response of power system apparatus and even interruption of power flow, e.g. commu... View full abstract»

• ### Energy balance in electric circuits with nonsinusoidal voltage and current

Publication Year: 1997, Page(s):1507 - 1510
Cited by:  Papers (3)
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An approach to apparent power components determination in nonsinusoidal voltage and current circuits has been presented. It is based on the use of mathematics of trigonometric rows, the Parseval equation in particular. The proposed method gives a possibility to avoid mistakes of a formal approach and to evaluate apparent power components more precisely as compared to the well-known methods View full abstract»

• ### Dynamic modeling of a TCSC with application to SSR analysis

Publication Year: 1997, Page(s):1619 - 1625
Cited by:  Papers (43)
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Conventional subsynchronous resonance (SSR) study methods such as eigenanalysis require a linear dynamic model of each device. FACTS devices such as thyristor-controlled series capacitors (TCSC) are difficult to model due to their nonlinear switching behaviour. Linearizing the TCSC steady-state average model is inadequate as this does not model the passive damping associated with the open-loop ope... View full abstract»

• ### Mean field theory for optimal power flow

Publication Year: 1997, Page(s):1481 - 1486
Cited by:  Papers (31)
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We present a method based on mean field theory to cope with the mixed nonlinear integer programming, especially with optimal power flow problems involving both continuous and discrete variables, in a more exact manner. That is, we first formulate OPF as a mixed integer programming, and then derive its mean field equations as well as the annealing algorithm, by taking advantage of the characteristi... View full abstract»

• ### Method and software for coordinated tuning of power system regulators

Publication Year: 1997, Page(s):1419 - 1424
Cited by:  Papers (16)
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A method for coordinated tuning of power system regulators (AVR, PSS, SVC, etc.) to improve damping of small disturbed oscillations for a variety of power systems operating conditions is given. The method is based on multi parameter numerical optimization to shift eigenvalues of interest to the left on the complex plane. The advanced POISK software which utilizes the proposed method is described View full abstract»

• ### On-line identification of synchronous machines using radial basis function neural networks

Publication Year: 1997, Page(s):1500 - 1506
Cited by:  Papers (18)
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On-line identification of the synchronous machines using radial basis function neural network (RBFNN) is presented in this paper. The capability of the proposed identifier to capture the nonlinear operating characteristics of the synchronous machine is illustrated. The results of the proposed identifier performance due to square and uniformly distributed random variations in both mechanical torque... View full abstract»

• ### Learning knowledge and strategy of a neuro-expert system architecture in alarm processing

Publication Year: 1997, Page(s):1610 - 1618
Cited by:  Papers (15)
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In this paper, the learning knowledge and strategy of a generic neuro-expert system (GENUES) architecture for the training of neural networks in a power network alarm processing system is described. The GENUES architecture forms an important part of an integrated architecture used for developing a real-time alarm processing system in a regional power system control centre. The authors also report ... View full abstract»

• ### Features that influence composite power system reliability worth assessment

Publication Year: 1997, Page(s):1536 - 1541
Cited by:  Papers (14)
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Reliability worth assessment using customer interruption costs is an important element in electric power system planning and operation. This paper deals with two features that affect the composite generation-transmission system reliability worth assessment. One feature is the incorporation of temporal variations in the cost of interruption. This paper illustrates the effect on the expected annual ... View full abstract»

• ### Combined quadratic-separable programming OPF algorithm for economic dispatch and security control

Publication Year: 1997, Page(s):1682 - 1688
Cited by:  Papers (5)
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This paper presents a new algorithm for optimal power flow (OPF), which is based on P/Q decomposition of OPF problem and on combined application of quadratic and separable programming methods. Initially the unit cost curves are approximated by the quadratic functions and the quadratic programming algorithm is applied as a starting method. This gives a good initial point for optimization and reduce... View full abstract»

• ### A Newton-type algorithm for the control of power flow in electrical power networks

Publication Year: 1997, Page(s):1474 - 1480
Cited by:  Papers (75)
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This paper addresses the issue of controllable branch models suitable for assessing the steady state response of FACTS devices on a network wide basis. Generalised nodal admittance models are presented for series compensators, phase shifters, interphase power controllers and unified power flow controllers. A Newton-Raphson load flow program has been developed which includes comprehensive control f... View full abstract»

• ### Electric field optimization of high voltage electrode based on neural network

Publication Year: 1997, Page(s):1413 - 1418
Cited by:  Papers (5)
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For the insulation design of high voltage apparatus (such as gas insulated switchgear and transformers), the electric field optimization technique becomes an indispensable tool. We developed a highly efficient electric field optimization technique based on a neural network under the personal computer. Once the neural network learns the relationship between inputs and outputs, the system easily all... View full abstract»

• ### Bi-objective power dispatch using fuzzy satisfaction-maximizing decision approach

Publication Year: 1997, Page(s):1715 - 1721
Cited by:  Papers (77)
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A fuzzy satisfaction-maximizing decision approach is presented to solve the bi-objective power dispatch problem regarding both minimum fuel cost and minimum environmental impact of NOx emission. Based on the fuzzy utility functions of system operators and a fuzzy satisfaction-maximizing scheme, a set of noninferior solutions are obtained. For each noninferior solution achieved, the asso... View full abstract»

• ### Short-term load forecasting in an autonomous power system using artificial neural networks

Publication Year: 1997, Page(s):1591 - 1596
Cited by:  Papers (22)
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This paper presents the development of an artificial neural network based short-term load forecasting model for an autonomous power system. Problems encountered in data preparation, network structure definition and the model's sensitivity to temperature, together with suggested solutions, are discussed. The proposed model can provide next week's load forecasts. Experiences obtained during the appl... View full abstract»

• ### Second bibliography on transmission access issues

Publication Year: 1997, Page(s):1654 - 1659
Cited by:  Papers (7)
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In this paper, the authors present a second bibliography on issues related to transmission access in electric power systems. 124 citations are referenced in this bibliography View full abstract»

• ### Modal reduced dynamic equivalent model for analog type power system simulator

Publication Year: 1997, Page(s):1518 - 1523
Cited by:  Papers (5)
| | PDF (764 KB)

Analog type power system simulators are playing important roles in cases where real time dynamic studies are required. Power system reductions are more important in analyses using an analog type simulator than a digital computer due to facilities limitations. This paper describes a modal reduced dynamic equivalent model which was developed for an analog type power system simulator to provide power... View full abstract»

• ### Fast estimation of voltage and current phasors in power networks using an adaptive neural network

Publication Year: 1997, Page(s):1494 - 1499
Cited by:  Papers (53)
| | PDF (512 KB)

A new algorithm for the estimation of parameters of voltage or current waveform of power networks contaminated by noise is proposed. The problem of estimation is formulated by using an adaptive neural network consisting of linear adaptive neurons called adaline. The learning parameters of the adaline are adjusted to force the error between the actual and desired outputs to satisfy a stable differe... View full abstract»

• ### Building a quasi optimal' neural network to solve the short-term load forecasting problem

Publication Year: 1997, Page(s):1432 - 1439
Cited by:  Papers (20)
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The ability to solve the short-term load forecasting (STLF) problem with artificial neural networks (ANNs) is investigated by conducting a fractional factorial experiment. The results of the experiment are analyzed, and the factors and factor interactions that affect forecast errors are identified and quantified. From the analysis, we derive rules for building a quasi optimal' neural network to s... View full abstract»

• ### Parametric variations in dynamic models of induction machine clusters

Publication Year: 1997, Page(s):1549 - 1554
Cited by:  Papers (4)
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This paper presents a probabilistic approach to the characterization of dynamical models of induction machine clusters. The authors' method derives bounds on eigenvalue variations for linearized models expressed in terms of stochastic norms. In their examples of the modeling of power system loads, this characterization tends to be less conservative than alternative deterministic approaches. They c... View full abstract»

• ### Strategic bidding in an energy brokerage

Publication Year: 1997, Page(s):1729 - 1733
Cited by:  Papers (68)
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This focus of this paper is to present a framework in which strategies may developed for the individual participants in an energy brokerage. Such a framework is expected to be important with the increasing interest in electricity market structures, such as the energy brokerage, that deregulation has produced. To illustrate the process of strategic bidding, a simple suboptimal bidding strategy is p... View full abstract»

• ### Damping of electro-mechanical oscillations in a multimachine system by direct load control

Publication Year: 1997, Page(s):1604 - 1609
Cited by:  Papers (10)
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Electric utility-controlled customer loads as actuators present new possibilities for power system control. The use of active loads controlled by local bus frequency is proposed for the damping of power system electromechanical oscillations. The viability of the idea is studied for one load in a three-machine power system with a meshed network. Active power mode controllability and phase angle mod... View full abstract»

• ### Capacity assistance distributions for arbitrarily configured multi-area networks

Publication Year: 1997, Page(s):1530 - 1535
Cited by:  Papers (7)
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This paper presents a method of constructing a probability distribution for the capacity assistance available to a system from its neighboring interconnected areas. The proposed method is capable of dealing with arbitrarily connected networks. Additionally the method considers the correlation between area loads. A discrete joint distribution is used for the multi-area load model, and the capacity ... View full abstract»

## 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