Studienkomitee C4 System Technical Performance

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1 Studienkomitee C4 System Technical Performance Stephan Pack Institut für Hochspannungstechnik und Systemmanagement Technische Universität Graz

2 What is the mission of SC C4: SC C4 deals with methods and tools for analysis related to power systems, with particular reference to dynamic and transient conditions and to the interaction between the power system and its apparatus/subsystems, between the power system and external causes of stress and between the power system and other installations. Specific issues related to the design and manufacturing of components and apparatus are not in the scopes of SC C4, as well as those specifically related to planning and operation and control, apart from those cases in which component/apparatus/subsystem behavior depends on, or significantly interacts with, the performance of the nearby power system. The fields on which the activity is carried out are: Power Quality Electromagnetic Compatibility/Electromagnetic Interference (EMC/EMI) Insulation coordination Lightning Advanced Tools for the analysis of power system Performance Power systems dynamic performance models and analysis

3 PARIS Session 2012 Technical Session Mittwoch den 29. August 2012 Sitzungsleitung: Prof. Dr. Carlo Alberto Nucci (Universität Bologna) Special Reporter : Zia Emin (Great Britain) for power quality and EMS Alian Xemard (France) for lighting and insulation coordination Danielle McNabb (Canada) for power system dynamic performance and security assessment Vorzugsthemen: 29 papers accepted, participants during session PS1: Modelling and practical experience of the interaction of new generation/transmission technologies and related power electronics with the transmission and distribution systems PS2: Advanced tools and techniques for power system performance analysis with particular reference to stochastic methods PS3: Lightning protection and insulation coordination as it relates to new generation and transmission technology Postersession Positiv optisch einheitliches Auftreten

4 Vorzugsthema 1: Modelling and practical experience of the interaction of new generation/transmission technologies and related power electronics with the transmission and distribution systems The Romanian TSO s Power Quality Monitoring System as Smart Grids Component Measurements of disturbances produced by power electronic devices on EHV overhead lines using Electric Field Sensors Power Quality and Flicker performance of the Tidal Energy Converter, SeaGen Study of Harmonics in Cable-based Transmission Networks Dynamics and control of Multi-Terminal High Voltage Direct Current networks for integration of large offshore wind parks into AC grids Damping measurement, analysis and performance of a nuclear power plant on the Belgian grid Impact of Frequency Responsive Wind Plant Controls on Grid Performance Studies on the impact of dispersed generation - Development of wind power generator model and impacts of power system faults with high penetration of photovoltaic On the Electromagnetic Interference Associated with the Power Line Carrier System of the Cahora-Bassa HVDC Line - A Hypothesis Based on Recent Investigations and Observations Overvoltages during Line Dropping of Compensated Lines

5 Vorzugsthema 2: Advanced tools and techniques for power system performance analysis with particular reference to stochastic methods Experience in pinpoint fault location and reliability improvement from a double transformer failures case Parameter uncertainty assessment in the calculation of the overvoltages due to transformer Energization in resonant networks Fault location in an interconnected network based on synchronized phasor measurements Power monitoring applications for smart network operations Proposal of a modified algebraic approach to evaluate required capacity for load frequency control (LFC) under a large penetration of solar photovoltaic generations Probabilistic reliability assessment in distribution network master plan development and in distribution automation implementation Risk assessment applications in the operation of the Mexican electric transmission System

6 Vorzugsthema 3: Lightning protection and insulation coordination as it relates to new generation and transmission technology Lightning Transient Analysis of a 69 kv Transmission Line with Externally Gapped Line Surge Arrester under Normal Open Circuit Breaker System On Lightning Study for Wind Generation System Commissioning Test on the 1000 kv UHV AC Demonstration Project and Operation Monitoring of the Main Equipments Lightning Invasion Overvoltage Study for UHVAC Substation A Review on EHVAC Transmission Line Lightning Performance Studies of Lightning Protection Design for Wind Power Generation Systems in Japan

7 Studienkomiteesitzung C4 Paris Meeting Freitag den 31. August 2012 Vorsitzender Carlo Alberto Nucci, Univ.- Prof. (Universität Bologna) Sekretär Pouyan Pourbeik (USA, EPRI) 24 Regular Members 15 Observer Members 39 Nationen. Verteilung Energieversorgungsunternehmen (12) Erzeugerfirmen (12) Forschungseinrichtungen (17)

8 Neue Struktur im Studienkomitee C4 3 Advisory Groups (AGs) AG 1: technische und strategische Belange des SC C4 AG 2: Kontakte und Koordination zu und mit anderen Studienkomitees und Institutionen (z.b. IEEE, IEC, CIRED etc.) AG 3: Organisation von Symposien, Kolloquien, Tutorials oder Workshops Working Groups (WG): 29 aktive Arbeitsgruppen Three newly proposed WGs were reviewed and accepted. Understanding of the geomagnetic storm environment for high voltage power grids EMC between communication circuits and power systems EMC in Wind Generation Systems Vorsitzwechsel und Sekretärwechsel: Vorsitzender: Dr. Pouyan Pourbeik (EPRI, USA), auf 4 Jahre bestellt Sekretär: Dr. Eng. Hideki Motoyama (CRIEPI, Japan) Website:

9 Termine : Joint Colloquium SC A2/C4 in Zurich, Schweiz, 8-14 September, 2013 PS 1: Interaction between transformer and the Power System PS 2: Experience with the use of Phase-Shifting transformers PS 3: Network planning in the context of an ageing transformer fleet ( CIGRE SC C4 and the Japanese National Committee of CIGRE, Colloquium in Hakodate, Japan, Oktober 2013 Fusion of Lightning Research and Practice for Power System in the Future I. Lightning Characteristics II. Distribution Lines III. Grounding IV. System Analysis/Power Quality V. Lightning Striking Characteristics to High Structures VI. Electro-Magnetic Compatibility and Hazards VII. Surge Arresters and SPD CIGRE Paris Session, August 2014 SC C4 meeting 2013: Zurich, Thursday 12. September 2013 (Joint Colloquium SC A2/C4)

10 Anhang: Vorzugsthemen Paris Session 2014 : PS 1: Power system technical performance in the advent of large deployment of power converter connected generation technologies Impact on stability and reliability of the power system due to large amounts of inverter based wind and solar PV generation Impact of wind, solar-pv and tidal generation on power quality EMC and Power Quality impact of voltage source converter (VSC) based technologies PS 2: Methods and techniques for the evaluation of lightning performance and insulation coordination of AC and DC systems Evaluation of lightning performance and models (e.g. leader progression versus EGM) for EHV and UHV AC and DC lines Protection of other structures such as wind turbines Insulation coordination for EHV and UHV AC systems including adequate modelling of apparatus PS 3: Advanced methods, models and tools for the analysis of power system technical performance Application of hybrid tools for 3-phase and positive sequence modelling of power systems, and hybrid EMT and Finite-Difference Time-Domain analysis Characterization and modeling of geomagnetically induced currents Analysis of system performance with a large number of long AC cables

11 Anhang: Liste der WGs SC C4/Teil 1 JWG A2/C4.309 Electrical Transient Interaction between Transformers and the Power System JWG C4-C6.29 Power Quality Aspects of Solar Power JWG C4.31/CIRED EMC between Communication Circuits and Power Systems JWG C4/B4/C1.604 Influence of Embedded HVDC Transmission on System Security and AC Network Performance WG C4.111 Review of LV and MV Compatibility Levels for Voltage Fluctuation WG C4.112 Power Quality Monitoring in Flexible Power Networks WG C4.206 Protection of the High Voltage Power Network Control Electronics Against Intentional Electromagnetic Interference (IEMI) WG C4.207 EMC with communication circuits, low voltage systems and metallic structures WG C4.208 EMC in HV Substations and Generating Stations WG C4.23 Guide to Procedures for Estimating the Lightning Performance of Transmission Lines WG C4.25 Issues related to ELF Electromagnetic Field exposure and transient contact currents WG C4.26 Evaluation of Lightning Shielding Analysis Methods for EHV and UHV DC and AC Transmissionlines WG C4.27 Benchmarking of Power Quality Performance in Transmission Systems WG C4.28 Extrapolation of measured values of power frequency magnetic fields in the vicinity of power links

12 Anhang: Liste der WGs SC C4/Teil 2 WG C4.30 EMC in Wind Generation Systems WG C4.303 Pollution and Environmental Influence on Electrical Performance WG C4.305 Practices in Insulation Coordination of Modern Electric Power Systems Aimed at the Reduction of the Insulation Level WG C4.306 Insulation Coordination of UHV AC systems WG C4.307 Resonance and Ferroresonance in Power Networks and Transformer Energization Studies WG C4.32 Understanding of the Geomagnetic Storm Environment for High Voltage Power Grids WG C4.407 Lightning Parameters for Engineering Applications WG C4.408 Lightning Protection of Low-Voltage Networks WG C4.409 Lightning Protection of Wind Turbine Blades WG C4.410 Lightning Striking Characteristics to Very High Structures WG C4.501 Numerical Electromagnetic Analysis and Its Application to Surge Phenomena WG C4.502 Power system technical performance issues related to the application of long HVAC cables WG C4.503 Numerical techniques for the computation of power systems, from steady-state to switching transients WG C4.603 Analytical Techniques and Tools for Power Balancing Assessments WG C4.605 Modelling and aggregation of loads in flexible power networks