SYMPOSIUM SECTIONS

§ Test and Measuring/Calibration Techniques related to High Voltage Laboratories

§ Test and Measuring/Calibration Techniques related to High Power Laboratories

§ On-site Diagnosis and Monitoring of Electric Power Equipment

Round-Table discussion “Outlook on the future of Romanian Electric Industry”, organised under the aegis of Electrical and Power Engineering Section of ASTR - The Romanian Technical Sciences Academy, with the kind support of Romanian Academy, Ministry of Economy and Commerce, Ministry of Education and Research, Romanian National Committee for IEC, AGIR - The General Association of the Engineers in Romania.

Moderator: Prof. Dr. Eng. Florin Theodor Tănăsescu

SECTION I: Test and Measuring/Calibration Techniques related to High Voltage Laboratories

Chairman:

Academician Gleb Drăgan – Romanian Academy

Vicechairman:

Eng. Dorin Popa – ICMET Craiova

Members:

Prof.Dr.Eng. Sorin Coatu – University „Politehnica” Bucharest

Eng. Teodor Vascan – ICMET Craiova

Secretary:

Eng. Aurelia Scornea – ICMET Craiova

I.1. Electrical Insulation Tests on the Modular 400 kV/AC Lead Exit System for Power Transformers

Heinrich Bernhard, Krause Christoph – WEIDMANN Transformerboard Systems AG, Rapperswil, Switzerland; Wick Kurt – WEIDMANN Systems International AG, Rapperswil, Switzerland

I.2. An Unconventional Test of Autotransformer 400 MVA, 400/231/10.5 kV Ynad5

Jankovic Aleksandar - ELEKTROISTOK, Serbia;Beric Vladimir - MINEL Transformatori, Serbia; Marinescu Andrei, Popa Dorin, Ungureanu Aurel – ICMET Craiova, Romania

I.3. On-Site Synchronous Multi-Terminal Partial Discharge Measurements on Power Transformers

Schaper Stefan, Kalkner Wilfried – TU Berlin, Germany;Plath Ronald – IPH Berlin, Germany

Marinescu Andrei – ICMET Craiova, Romania

I.4. Instrumentation & Concept of Partial Discharge and Temperature Cable Monitoring

Strehl Thomas – Lemke Diagnostics GmbH, Germany

I.5. Type Test and Calibration of 200 MS – 14 bit Digital Recorder for Impulse Voltage Tests and their Application for Frequency Response Analysis

Strauss Werner, Steiner Thomas, Dr. Strauss System-Elektronik GmbH, Germany

I.6. Operational Principles and Selection Criteria for On-Load Tap-Changers

Carlsson Mats – ABB, Sweden

I.7. Results of the Measurements Performed in European DKD Accredited HV Laboratories to Qualify a Transfer Standard

Schon Klaus, Lucas Wolfgang, Marx Rainer – PTB, Braunschweig , Germany; Marinescu Andrei, Popa Dorin, Ungureanu Aurel, Dumbravă Ionel, Vascan Teodor – ICMET Craiova, Romania

I.8. The High Voltage Laboratories of the University „Politehnica”- Bucharest

Drăgan Gleb, Romanian Academ, Romania

I.9. A Comparative Analysis between Streamer and Leader

Drăgan Gleb – Roumanian Academy, Romania

I.10. Measuring of Radio Interference Voltages Due to Insulator Sets for High Voltage Lines TICEM-HV Laboratory Experience

Coatu S., Costea D., Rucinschi D., Băran Ileana, Cristea V., Leonida T. – Politehnica University of Bucharest, Romania

I.11. Measuring Domain Extension of the 30 kV Electrostatic Voltmeter and Disturbances

Titihăzan Viorel, Titihăzan Mariana, Toader Dumitru – University Politehnica Timişoara, Romania

Curcanu George – ICMET Craiova, Romania;Cimponeriu Andrei – SC SIEMENS VDO Timişoara, Romania;Iuhasz Iosif – TRANSELECTRICA Timişoara, Romania

I.12. Modeling Lightning Surges in Power Transformer

Cividjian Grigore, Dolan Alin – University of Craiova, Romania;Călin Gheorghe, Popa Dorin – ICMET Craiova, Romania

I.13. Reference Measuring System for DC, AC and Impulse High Voltages

Coatu S., Costea M., Rucinschi D. – Politehnica University of Bucharest, Romania Marinescu Andrei, Popa Dorin, Ungureanu Aurel, Vascan Teodor – ICMET Craiova, Romania

I.14. Methods of Optimizing the Optic Link used at Transmitting the Information from the Primary Circuit to the Secondary One of the Non-Magnetic Core Power Transformers

Niculescu Sorin – Transelectrica Co., Branch Craiova, Romania

I.15. ODAF Cooling of Power Transformers – A Simple and Reliable Calculation Procedure -

Stancu Iulian, Stancu Octavian – Trafo Proiect SRL Bucharest, Romania

I.16. ZnO Device Protection – an Efficient Solution for Internal Overvoltage Decrease in Autotransformers with On-Load Adjustment

Marinescu Andrei, Călin Gheorghe – ICMET Craiova, Romania; Stancu Iulian, Stancu Octavian – SCANDO, Romania

I.17. Test of 450 kV Submarine DC Power Cables

Popa Dorin, Vascan Teodor, Ungureanu Aurel, Urzică Florinel, Badea Ion – ICMET Craiova, Romania

I.18. Study of Temperature Distribution in Capacitor-Type Bushings

Nedelcuţ Dorel – ICMET Craiova, Romania; Bică Marin, Ţălu Mihai – Faculty of Mechanics, Craiova, Romania

I.19. A Mobile Calibration Laboratory for DC, AC, LI and SI High Voltage Measuring System Calibration

Marinescu Andrei, Popa Dorin Ungureanu Aurel, Dumbravă Ionel – ICMET Craiova, Romania

I.20. Considerations on the Shed Shape of Composite-Type Insulators for Overhead Lines

Nedelcuţ Dorel, Păduraru Nicolae – ICMET Craiova, Romania

I.21. Bushings with Embedded Sensor

Nedelcuţ Dorel, Păduraru Nicolae – ICMET Craiova, Romania

I.22. Methods for Non-conventional Measuring Sensors Integration in Medium Voltage Electrical Equipment

Proca Victor, Păduraru Nicolae – ICMET Craiova, Romania

I.23. Test Stands Designed in ICMET - Craiova

Caraiman Bebe, Macovei Gheorghe – ICMET Craiova, Romania; Vlăduţ Gabriel – IPA CIFATT Craiova, Romania

I.24. ICMET Electrosecurity Laboratory

Ogrezeanu Ştefan, Aurelia Scornea, Deliu Hermina, Brînzan Rodica – ICMET Craiova, Romania

I.25. Progress in Partial Discharge Localization by Acoustic Emission at Power Transformers

Marinescu Andrei, Nicoară Tania, Pătru Ion – ICMET Craiova, Romania

I.26. Comparative Type Tests According to IEC 60270:2000-12 for Partial Discharge Measuring Systems

Nicoară Tania, Popa Dorin, Vascan Teodor – ICMET Craiova, Romania; Mihai Dumitru – Energo Com Bucharest, Romania; Bădic Mihai – ICPE Buchares, Romania

I.27. Comparison between the Results of On-site PD Measurement and Dissolved Gas Analysis at Large Transformers

Popa Dorin, Badea Ion – ICMET Craiova, Romania

I.28. Electronic High Voltage Instrument Transformers Development at ICMET Craiova

Gaber Emil – Paradox Montreal, Canada

SECTION II: Test and Measuring/Calibration Techniques related to High Power Laboratories

Chairman:

Dr. Eng. Dumitru Cîrstea – ICMET Craiova

Vicechairman:

Dr. Eng. George Curcanu – ICMET Craiova

Members:

Prof.Dr.Eng. Viorel Titihăzan – University „Politehnica” Bucharest

Eng. Cornel Chiciu – ICMET Craiova

Secretary:

Eng. Alin Dincă – ICMET Craiova

II.1. Active Damping of Torsional Modes in Turbo-generator Shafts

Miri A.M., Zöller T - IEH Karlsruhe, Germany; Sihler C. – Max-Planck-Institut fur Plasmaphysik, EURATOM, Germany

II.2. Testing of High Frequency Line Traps According to IEC 535

Jankovic Aleksandar- ELECTROISTOK – Belgrade, Serbia

II.3. Sensor-Based Assessment of the Short Circuit Duty of Power Transformers

Kraetge A., Kalkner W. – TU Berlin, Germany; Plath R. – IPH Berlin, Germany; Plath K-D. – HPS Berlin, Germany; Marinescu A. – ICMET Craiova, Romania

II. 4. Consideration and Perspectives in High Power Electron Beam Control

Oltean Stelian, David Laszlo, Dulau Mircea – „Petru Maior” University – TârguMureş, Romania

II.5. Electric Power Systems Reliability Optimisation by Genetic Algorithm

Gligor Adrian, Grif Horaţiu Ştefan, Bucur Daniel – „Petru Maior” University – Târgu-Mureş, Romania

II.6. Considerations about the Construction of P-Q Diagram for a Turbo-Generator

Ruja Ioan, Gillich Nicoleta, Piroi Ion – „Eftimie Murgu” University – Resiţa, Romania

II.7. Consideration on the Installations for Explosion Prevention and Fire Extinguishing with Nitrogen Injection Intended to Protect Electric Transformers

Toma Gheorghe, Circiumărescu Ion – Trafo Consult Craiova, Romania

II.8. Special Power Transformers

Răducan Ionel, Circiumărescu Ion – Trafo Consult Craiova, Romania

II.9. The High Power Laboratory Craiova. 30 Years from Putting into Service

Chiciu Corneliu, Ilinca Constantin – ICMET Craiova, Romania

II.10. Measurement of High Potential Transient Phenomena by Optoelectronic Means

Manta Alexandru, Marinescu Andrei, Ionescu Horia, Truţă Daniel – ICMET Craiova, Romania

II.11. Equipment for Stands Meant to Switchgear Temperature-Rise Test

Nedelcuţ Dorel, Proca Victor – ICMET Craiova, Romania

II.12. Modernization of Sequential Programmer System from High Power Laboratory

Manta Alexandru, Ionescu Horia – ICMET Craiova, Romania; Manta Marina – School no. 16 Craiova, România

II.13. Controllable Voltage Transformers. Present and Outlook

Proca Victor, Bodârnea Cornelia – ICMET Craiova, Romania

II.14. Reason Regarding the HV Circuit-Breakers Testing at Capacitive Currents, in Laboratory and Network

Curcanu George, Comes Cornel, Constantinov Mihai – ICMET Craiova, Romania

II.15. Small Inductive Currents Switching in No-load Transformers Disconnection Using High Voltage Circuit Breakers Disconnection Conditions Using MV Vacuum and SF6 Gas Circuit Breakers

Curcanu George, Comes Cornel, Iancu Constantin – ICMET Craiova, Romania

II.16. Consideration on Metal Oxide Surge Arresters at Short-Circuit Current Test

Curcanu George, Chiciu Corneliu, Ilinca Constantin, Constantinov Mihai – ICMET Craiova, Romania

II.17. Excitation Regimes of Shock-Generator TI-100-2 from High Power Laboratory

Iancu Constantin, Ilinca Constantin, Manta Alexandru, Diaconescu Ilie, Stancu Dan, Ilinca Paul – ICMET Craiova, Romania

II.18. The Metal-Enclosed Switchgear and Substations Behaviour at Internal Arc Fault

Ilinca Constantin, Chiciu Corneliu, Sbora Ilie – ICMET Craiova, Romania

II.19. Pilot-Equipment for Qualitative and Quantitative Determinations of the Network Parameters in LV Distributors and Reactive Energy Compensation

Iacob Ana, Duţă Marian, Nicolae Marin – ICMET Craiova, Romania; Mandache Lucian – Craiova University, Romania

II.20. Method and Diagram for Rippled Current Test on DC Series Motors Used in Electrical Traction

Popescu Petre Pompeius, Popescu Sebastian, Duţă Marian, Iacob Ana – ICMET Craiova, Romania

II.21. Measurement of High Transient Current through Rogowski Technique

Filişanu Valeriu, Manta Alexandru, Marinescu Andrei – ICMET Craiova, Romania

II.22. Modernization of Measuring Technique within High Power Laboratory

Marinescu Andrei, Manta Alexandru, Ionescu Horia, Curcanu George, Chiciu Corneliu, Ilinca Constantin, Truţă Daniel, Ionescu Mihai – ICMET Craiova, Romania

II.23. Aspects Regarding Assessment of Dynamic Regimes of Induction Motor with Vector Control

Câmpeanu Aurel, Enache Sorin – University of Craiova, Romania

SECTION III: On-site Diagnosis and Monitoring of Electric Power Equipment

Chairman:

Prof. Dr. Eng. Alexandru Bitoleanu – University of Craiova

Vicechairman:

Eng. Dorel Nedelcuţ – ICMET Craiova

Members:

Eng. Ciprian Diaconu – National Company „Transelectrica” Bucharest

Eng. Paul Stroică – SMART Craiova

Secretary:

Eng. Zăvelcuţă Florin – ICMET Craiova

III.1. Evaluation of On-Line Insulation Condition Assessment Technique for Power Transformers

Agoris Pantelis D., Meijer Sander, Gulski Edward, Smit Johan J. – Delft University of Technology, Netherlands

III.2. Monitoring the Operational Behavior of Electric Equipment in the National Transmission Grid-Ground for the Equipment Supplier-End-User Dialogue

Diaconu Ciprian, Bărbulescu Christiana, Diaconu Ştefan, Romaşcu Gabriel, Diaconu Anca – National Power Grid Company „Transelectrica” Bucharest, Romania; Chiper Cristian - National Power Grid Company „Transelectrica” Craiova, Romania

III.3. The „GIS” in the Operative and Executive Management of the Electro-energetic Networks and Installations

Băduţ Mircea –District of Cadastre, Geodesy and Cartography Vâlcea, Romania

III.4. Monitoring and Automatic Control of Electric Equipment in Natural Gas Compressor Stations

Vasilievici Alexandru – Politehnica UniversityTimisoara, Romania

Huidan Sorin-Alecu – S.N.G.N. Romgaz SA S.T.T.M. Târgu Mures, Romania

III.5. On-Line and Off-Line Diagnosis Systems for HV Equipment

Diaconu Ciprian, Stoicof Cristiana - National Power Grid Company „Transelectrica” Bucharest, Romania; Popa Badea, Oneţ Agsionita – ICEMENERG Bucharest, Romania

III.6. Solution for Optimization of the Reliability level of the power system protection

Ciontu Marian – University of Craiova, Romania

III.7. Cooling System Monitoring at Power Transformers

Nedelcuţ Dorel, Sacerdoţianu Dumitru– ICMET Craiova, Romania; Purcaru Ion – SC VIG Craiova, Romania

III.8. Measurement and Monitoring of Consumed Power in Stationary and/or Transient Duty

Marinescu Andrei, Pătru Ion, Teodorescu Mircea, Popescu Marinel – ICMET Craiova, Romania

III.9. Present Concepts in Power Transformer Diagnosis by Frequency Response Analysis (FRA)

Dumbravă Ionel – ICMET Craiova, Romania

III.10. Specific Consideration about the Choice and Maintenance of Transformers and Autotransformers with Powers Higher than 100 MVA and Voltages between 110 and 400 kV

Toma Gheorghe, Treschin Constantin, Iordachi Constantin, Circiumărescu Ion – Trafo Consult Craiova, Romania

III.11. Monitoring and Control System of the Pumping Station from Water Supply Public Utilities

Duţă Marian, Popescu Sebastian – ICMET Craiova, Romania; Hurezeanu Gheorghe – INDA ELTRAC Craiova, Romania; Vlăduţ Gabriel – IPA CIFATT Craiova, Romania