Plenary Lecture

Switching Transient Phenomena in Power Systems at the 400 KV High Voltage Unloaded Line



Professor Petre Tusaliu
Electrical Faculty, University of Craiova
ROMANIA

E-mail: ptusaliu@elth.ucv.ro

Abstract: In this paper, there are evaluated the transient phenomena in power systems at the 400 kV high voltage operations, which appear at the unloaded line switching. In point of news, the paper presents the modelling and simulation of an unloaded three-phase line switching effect in Power System, using PSCAD Program and MathCAD Program. There were obtained the transient recovery voltages (TRV), the overcurrents (OC) in the 400 kV network and the electrical field (EF), according with the overvoltages (OV) at 400 kV. After that, a comparatively analyse of results is made. The paper presents the electrical field values, according to modelled and simulated disturbances. The simulation was performed using the EMTDC/PSCAD software package, in order to obtain the electromagnetic disturbances in the transmission line and in the busbars. The proposed simulation is applied for an unload transmission line connected between KEPEZ and YATAGAN in 380 kV Turkish National Power Transmission Systems. Also, in the paper are presented modelling, simulations, measurements and experiments performed for determination of switching overvoltages at the 400 kV unloaded lines switching in a Romanian Network (Tintareni-Sibiu). After that, a comparative analysis of results regarding switching overvoltages determined through modelling and experiments is made and conclusions about admissible limits recommended by the CIGRE and IEEE international norms are established.
 

Brief Biography of the Speaker:
Petre Tusaliu is full professor at University of Craiova, Romania and President of the “High Voltages Engineering, Environment & Life” Scientific Professional Association. He is doctor in “switching transient phenomena”. His Research activity is in area: high voltages engineering, transient phenomena, power systems, electromagnetic compatibility. He is author and joint author of over 150 works of their area, has 7 invention and innovation patents, 9 works for Education and 4 books published. He is Editor al “CHALLENGES IN POWER, HIGH VOLTAGES and MACHINES”, published by WSEAS Press, Venice, Italy, November, 2007. He was CIGRE member (5 years) and their Curriculum vitae and activity have been included in "The International Directory of Distinguished Leadership, 1997", edited by "American Biographical Institute". Also, he have received the title “Man of the Year-1997”, awarded by “American Biographical Institute-North Carolina-USA”. He was specialising in Germany and, in last years, he has effectuated three International scientific research grants, in co-operation at the NATO Scientific Research Programmes in the European Universities. He has participated as member of many “Steering Committee”, “Editorial Board”, “Chairperson” and “Papers Reviewer” of the numerous International Conferences. He was plenary speaker at “the eighth IASTED International Conference on POWER AND ENERGY SYSTEMS, June 23-25, 2008, Corfu, Greece”.