COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 23 Issue 1

Subject:

Table of contents

Life prediction of aging wood poles and subsequent inspection practice – a case study

Hong Li, Gouri S. Bhuyan, Dexter Tarampi

Present methods of establishing inspection and maintenance programs for wood poles are prescriptive in nature and do not consider the life data of poles in a particular region. In…

Application of data mining to optimize settings for generator tripping and load shedding system in emergency control at Hydro‐Québec

J.A. Huang, S. Harrison, G. Vanier, A. Valette, L. Wehenkel

This paper describes the on‐going work done by Hydro‐Québec to optimize the settings of automatic devices installed in its main power plants to maintain secure operation under…

Probabilistic power system security analysis considering protection failures

Xingbin Yu, Chanan Singh

This paper proposes a method of probabilistic security analysis of power systems including protection system failures. Protection system failure is the main cause of cascading…

1558

Application of smoothing techniques to solve the cooling and heating residential load aggregation problem

A. Molina, A. Gabaldón, M. Kessler, J.A. Fuentes, E. Gómez

The main objective of this paper is to obtain the duty‐cycle probability forecast functions of cooling and heating aggregated residential loads. The method consists of three…

Human reliability analyses by random hazard rate approach

E. Chiodo, F. Gagliardi, M. Pagano

The aim of this paper is to show the connections among uncertainty, information and human knowledge to develop methodologies able to support actions for measure and control of…

Minimizing price‐risk exposure for deregulated electricity market participants

Stuart Galloway, Keshav Dahal, Graeme Burt, James McDonald

Market liberalisation has resulted in significant changes not only in the way electricity is traded, but also for the market participants themselves. The bidding behaviour of…

Uncertainty estimation for DSP‐based power quality measurements

Emilio Ghiani, Nicola Locci, Carlo Muscas, Sara Sulis

This paper deals with the uncertainty in digital measurement systems designed for power quality applications. The main goal of this work is to evaluate such uncertainty by means…

A new formulation of the optimal compensation and reconfiguration problem including minimum load nodes unavailability for automated distribution networks

A. Augugliaro, L. Dusonchet, M.G. Ippolito, E. Riva Sanseverino

This paper deals with a new formulation of the optimal operation of electrical distribution networks problem in regular working state. In the new deregulated energy market…

A Monte Carlo‐like approach to uncertainty estimation in electric power quality measurements

Alessandro Ferrero, Simona Salicone

The assessment of the quality of the electric power supply, as well as that of the electric loads, is becoming a critical problem, especially when the liberalization of the…

Characterization of fluctuating harmonics from single‐phase power electronics‐based equipment

U. Grasselli, R. Lamedica, A. Prudenzi

The present paper is intended to analyze time‐varying harmonic absorption of single‐phase non‐linear loads. To this aim, it is demonstrated that a continuous harmonic monitoring…

A Monte Carlo method for the auto‐evaluation of the uncertainties in the analog‐to‐digital conversion‐based measurements

Salvatore Nuccio, Ciro Spataro

This paper concerns with the measurement uncertainty estimation in the analog‐to‐digital conversion‐based instruments. By using an ad hoc developed software tool, the Monte Carlo…

430

Reducing computational effort in field optimisation problems

J.K. Sykulski

Design and optimisation of many practical electromechanical devices involve intensive field simulation studies and repetitive usage of time‐consuming software such as finite…

Optimal shielding of low frequency fields

Aldo Canova, Giambattista Gruosso, Maurizio Repetto

Shielding of electromagnetic low frequency field can be performed by means of conductive sheets. These sheets have a thickness which is usually two or three orders of magnitude…

Increasing design robustness in evolutionary optimisation

Marco Cioffi, Alessandro Formisano, Raffaele Martone

The role of the parameters uncertainness in the optimal design of electromagnetic devices is discussed and an efficient strategy to look for robustness of feasible solutions is…

Validation process for a fuzzy spatial load forecasting

Vladimiro Miranda, Cláudio Monteiro, Teresa Ponce de Leão

This paper presents a method used to validate a spatial load forecasting model based on fuzzy systems implemented in a Geographical Information System. The validation process…

Distributing the train traction power over cars: effects on dependability analyzed based on daily duty‐cycle

Giovanni Bifulco, Sebastiano Capozzi, Sergio Fortuna, Tiziana Mormile, Alfredo Testa

Distributing the train traction power over cars of modern High Speed trains, which represent one of the main loads of European electrical power systems, is considered and its…

Formal requirements for utility and value functions for security‐related decisions

Manuel A. Matos

One of the important decision problems for a power system operator is to choose the appropriate operation point when possible contingencies must be considered. The operator may…

The use of affine arithmetic for thermal state estimation of substation distribution transformers

Lucio Ippolito, Alfredo Vaccaro, Domenico Villacci

Thermal protection of mineral‐oil‐filled substation distribution transformers is of critical importance in power systems. The failure of such a transformer is a matter of…

A hybrid meta‐heuristic algorithm for transmission expansion planning

Jagath Fonseka, Vladimiro Miranda

This paper proposes an integrated approach of genetic algorithms, Tabu search and simulated annealing for multi‐stage (dynamic) transmission network expansion planning. The…

Probabilistic method for reliability assessment of metal oxide varistors under lightning stress

Giovanni Luca Amicucci, Carlo Mazzetti

Surge protective devices are used to limit the maximum voltage on protected circuits. In the last decade, metal oxide varistors (MOVs) have been the most used protective devices…

Blind multipath channel equalization based on eigenvector decomposition

Lei Xu, Liu Lijuan, Xu Chongyang

A new direct blind equalization algorithm is presented in this paper. It relies on the auto‐correlation matrix of the channel, and adopts its eigenvector decomposition for…

Evaluation of the magnetic field – high temperature superconductor interactions

H. May, R. Palka, E. Portabella, W‐R. Canders

To describe the wide range of possible applications of high temperature superconductors (HTSCs) (e.g. magnetic bearings, levitation systems or electrical machines) several…

Laplace transform of waveforms with hysteretic distortion

Jenõ Takács

A brief account of the exponential model introduces the reader to one of the mathematical descriptions of the double non‐linearity of the hysteretic phenomena. The model described…

Nonlinear model of linear synchronous reluctance motor for real time applications

Gorazd Štumberger, Bojan Štumberger, Drago Dolinar, Oto Težak, Kay Hameyer

The finite element (FE) method calculations are used to improve dynamic behavior of the two‐axis linear synchronous reluctance motor (LSRM) model, which is appropriate for the…

Application of the surface‐current method to the analysis of saturated electromagnetic devices

Mauro Andriollo, Giovanni Martinelli, Augusto Morini, Andrea Tortella

This paper deals with the application of the surface‐current method to the analysis of electromagnetic devices. The basics of the method are outlined and new developments…

Cover of COMPEL - The international journal for computation and mathematics in electrical and electronic engineering

ISSN:

0332-1649

Online date, start – end:

1982

Copyright Holder:

Emerald Publishing Limited

Open Access:

hybrid

Editor:

  • Prof Jan Sykulski