<p> WSEAS TRANSACTIONS Evaluation of the Proximity Effect upon the Impedance Characteristics of Subsea Power Transmission 1141 Cables Chang Hsin Chien, Richard Bucknallon POWER SYSTEMS</p><p>A New Mathematical Programming for Unit Commitment 1148 Hui Zheng, Bei Gou Issue 7, Volume 1, July 2006 ISSN 1790-5060 http://www.wseas.org Bifurcation Diagrams and Lines of Period-1 Ferroresonance 1154 Fathi Ben Amar, Rachid Dhifaoui</p><p>New Approach in Distance Relay Protection 1163 Frantisek Janicek, Martin Mucha</p><p>The MIMO Turbogenerator Decentralized Control 1171 Marian Mrosko, Eva Miklovicova, Jan Murgas</p><p>Simulation of Switching Overvoltages in 400kV Transmission System 1177 Martin Mucha, Zaneta Eleschova, Anton Belan, Frantisek Janicek, Peter Szathmary</p><p>Estimating Nodal Reliability Index based on AC-OPF by Fast Monte Carlo Method 1183 Suguru Fukutome, Ryuichi Yokoyama, Tsunehisa Wachi</p><p>Analysis of Large Scale Blackouts and Recommendations for Prevention 1189 Wei Lu, Yvon Besanger, Eric Zamai, Daniel Radu</p><p>Synchronous Generator with a Salient Pole Rotor – Source of Harmonic Distortion 1196 Eleschova Zaneta, Belan Anton, Martin Mucha</p><p>The Application of Combined Heat and Power Systems in Flanders 1202 J. Van Bael, E. Peeters</p><p>Handling Infeasibilities when Applying Benders Decomposition to Stochastic Scheduling Optimization 1209 C. Yuen, A. Poncet, X. Y. Chao</p><p>Matrix Converter Hybrid Drive System 1217 Jiri Lettl</p><p>Transmission and Control System for Hydro Power Stations 1223 Costin Cepisca, Horia Andrei, Emil Petrescu, Mircea Covrig, Camelia Petrescu</p><p>Software Development for Optimum Allocation of Power System Elements Based on Genetic Algorithm 1229 Shahram Javadi</p><p>High Efficiency High Speed PM Motors for the More Electric Aircraft 1235 Roy Perrymam, Landson M. C. Mhango</p><p>Balancing Energy Planning in Wind Generation using Probabilistic Weather Prediction 1243 Laszlo Varga, Zoltan Korenyi, Tamas Hirsch</p><p>Development of the Power Restoration Training System Shell against Massive Blackouts 1252 Heungjae Lee, Seongmin Park, Kyeongseob Lee, Taekyun Kim, Jeonghoon Shin, Injun Song</p><p>Analysis of 25 kV, 50 Hz Traction Supply System at Czech Railways 1259 Radovan Dolecek, Ondrej Cerny</p><p>A Multi-objective Model for Sizing and Placement of Distributed Generation 1267 Vasco E. Santos, Antonio G. Martins, Carlos H. Antunes</p><p>Design of the Commutator Series Motor Operating in Both Direct Current and Single-Phase Electric 1273 Traction Carlo Cabrita, Davide Fonseca, Maria Calado, Antonio Espirito Santo</p><p>A New Methodology for Dynamic Performance Simulation of a New Linear Switched Reluctance Motor 1282 based on Geometrical Dimensions D. S. B. Fonseca, C. P. Cabrita, M. R. A. Calado</p><p>High Efficient Numerical Techniques for the Earthing Design and the Analysis of Grounded Phenomena 1288 Ignasi Colominas, Fermin Navarrina, Manuel Casteleiro</p><p>Voltage Stability Analysis Considering Air Conditioner 1296 Bei Wu, Yan Zhang, Minjiang Chen</p><p>Power Quality Measurements – Effects on Uninterruptible Power Supply Systems 1302 Michael Mann, Bernd Gutheil, Paul Weiss, Dirk Wilhelm</p><p>Electronic Control of a Four Stroke Internal Combustion Engine 1311 Carla S. da C. Goncalves, Bruno A. F. Neves, Antonio E. V. Espirito Santo, Francisco M. P. Brojo, Maria do Rosario A. Calado</p><p>Comparison Between Frequency-Matched and True Sine Wave Grid-Connected Photovoltaic Modules 1317 Cuauhtemoc Rodriguez, Gehan A. J. Amaratunga</p><p>Designing Digital Filters for Digital Re-Sampling in Power System Applications 1323 Zhao Qing, Yifang Hsu, Bei Gou</p><p>Congestion Management and Bilateral Contracts Effects in the Transmission Rights 1329 Judite Ferreira, Zita Vale, Jose Cardoso</p><p>Evolutionary Techniques in Circuit Design and Optimization 1337 Cecilia Reis, J. A. Tenreiro Machado, J. Boaventura Cunha</p><p>Heuristic Model for Iberian Natural Gas Sources Location 1343 Teresa Nogueira, Rui Mendes, Zita Vale, Jose C. Cardoso</p><p>An Approach to the Consumer-Supplier Relationship Supported by Data Mining Techniques for MV 1350 Costumers Sergio Ramos, Zita Vale, Joao Santana, Fatima Rodrigues</p><p>Producers Remuneration by Virtual Power Producers 1358 Hugo Morais, Marilio Cardoso, Luis Castanheira, Zita Vale, Isabel Praca</p><p>A Novel Method for Modeling Magnetic Saturation in the Main Flux of Induction Machine 1366 A. Nesba, R. Ibtiouen, S. Mekhtoub, O. Touhami, S. Bacha</p><p>PSO Algorithm in Comparison with other Substation Emplacement Methods 1372 Peyman Nazarian</p><p>Power Market Congestion Management Incorporating Demand Elasticity Effects 1378 T. S. Chung, D. Z. Fang, X. Y. Kong</p><p>Design Of Subsynchronous Resonance Protection And Reduction Of Torsional Interaction In Power Systems 1383 Mahdi Hedayati </p>