SC C4 Colloquium - Bologna 2016

Summary

Session 1 - TRANSMISSION LINES RESPONSE

Session chairs: Stephan Pack, Alexandre Piantini

• 1.1 - A New Methodology for Electrical Tower Grounding in Practical Use
• 1.2 - Estimation of the Minimum Backflashover Current of Overhead Lines of the Hellenic Transmission System Through ATP-EMTP Simulations
• 1.3 - A Monitoring System of Lightning Overvoltage Based on Electro-Optic E-Field Sensor

Session 2 - CABLES RESPONSE AND GROUNDING SYSTEMS
Session chairs: Massimo Pompili, Alain Xemard

• 2.1 - FDTD Analysis of Lightning-Induced Currents on a Buried Cable with a Shield Wire
• 2.2 - Impact of Lightning Current to 115 kV Subtransmission Underground Cable in MEA’s Power System
• 2.3 - Calculation of Lightning Effects in the Frequency Domain with a Program Based on Hybrid Methods
• 2.4 - Lightning Overvoltage Protection of Combined Overhead Line and Underground Cable Distribution Network

Session 3 - MODELS AND NUMERICAL SIMULATIONS
Session chairs: Vernon Cooray, Maria Teresa Correia de Barros

• 3.1 - Towards Complex Physically-Based Lightning Simulations
• 3.2 - An Analytically Extended Function for Representing the Lightning Current First Derivative
• 3.3 - A Review of Engineering Return Stroke Models
• 3.4 - Positive Lightning Stroke Simulation by Means of Circuit Model and Applications
• 3.5 - Application of Artificial Intelligence Algorithms to Lightning-Caused Faults Forecasting in Smart Grid Transmission System

Session 4 - MEASUREMENTS OF LIGHTNING CURRENTS AND FIELDS
Session chairs: Fridolin Heidler, Philip Krider

• 4.1 - Calculating the Maximum Stroke Amplitudes with a Return Period per Annum and Searching the Maximum Intensity of Lightning Strikes in 24 Hours in the Size of Area of Interest
• 4.2 - Five Years of Experience of Ston - Komolac Transmission Line Lightning Measurement
• 4.3 - Preliminary analysis of lightning electric field signatures obtained in the TLF-MF frequency range and  collected during summer thunderstorms in Poland
• 4.4 - An Update on the Measurements of Lightning Currents and Electromagnetic Fields Associated with Flashes to the Säntis Tower in Switzerland
• 4.5 - Lightning Waveforms Polarity Analysis in Different Frequency Bands Detected Simultaneously

Session 5 - INDUCED EFFECTS AND DISTRIBUTION LINES
Session chairs: Akihiro Ametani, Koji Michisita

• 5.1 - Lightning Performance Improvement of 69 kV Overhead Subtransmission Line by External Ground Wire in MEA’s Power System
• 5.2 - Appropriate Grounding Distance of Overhead Ground Wire for MEA’s 24 kV Distribution Line Lightning Protection
• 5.3 - The Influence of Shield Wires on Lightning-Induced Overvoltages on Overhead Lines
• 5.4 - Case Analyses of Lightning-Caused Outages on the ERDF Power Distribution System
• 5.5 - Influence of the Return Stroke Current Waveform on the Lightning Performance of Distribution Lines

Session 6 - EXPLOITATION OF DATA FROM LLS
Session chairs: Marina Bernardi, Wolfgang Schulz

• 6.1 - Implementation of a LLS Expert System in the Mexican Yucatan Peninsula
• 6.2 - Minimum Inter-Stroke Time Between Consecutive Return Strokes in a Flash Observed by The Japanese Lightning Detection Network
• 6.3 - Lightning Location System Data from Wind Power Plants Compared to Meteorological Conditions of Warm- and Cold Thunderstorm Events
• 6.4 - Lightning Activity Monitoring System on Mountain Lovcen, Montenegro
• 6.5 - Lightning Current Measurement Compared to Data from the Lightning Location System BLIDS
• 6.6 - The Issues of Standardized Risk and the Use of Lightning Location Data
   

Session 7 - ARRESTERS
Session chairs: Alexander Nefedov, Bo Zhang

• 7.1 - Development of Shield-Type Multi-Chamber Lightning Arrester for 35kV OHL
• 7.2 - Energy Stresses of Transmission Line Surge Arresters Due to Multicomponent Flashes
• 7.3 - Investigation of MOA Simulation Models for Energy Absorption Estimation Under Steep Impulse Currents
• 7.4 - Transmission Line Surge Arrester Application Waveform Interpretation
• 7.5 - Surge Arrester Condition Indicator

Session 8 - LIGHTNING PERFORMANCE OF OVERHEAD LINES
Session chairs: Pantelis N.Mikropoulos, Ivo Uglesic

• 8.1 - Evaluation of the Lightning Performance of an Overhead Multiconductor Transmission Line System
• 8.2 - Evaluation of Lightning Performances of 132 kV Overhead Lines in Northern Italy: Comparison of Different LLS Data and Lightning Parameters
• 8.3 - MV Feeder BIL to Benefit Quality of Supply and Network Performance in High Lightning Areas
• 8.4 - Probabilistic Description of Different Soil Types’ Resistivity
• 8.5 - Performance of the Line Surge Arresters of the 110 kV Overhead Lines on the Island Brac

Session 9 - PROTECTION OF LINES AND GRIDS
Session chairs: Antonio Ardito, Toshihisa Funabashi

• 9.1 - Operating Experience, Calculation and Modernization of Lightning Protection EHV Overhead Lines with Sections Without Ground Wire
• 9.2 - Comparison of Transformer Models on a Practical Case of Lightning Overvoltages
• 9.3 - Effect of Experiments in Lightning Impulse Laboratory on Nearby Gas Pipeline
• 9.4 - Application of Lightning Locating System for Improvement of Medium Voltage Power Systems Planning and Operation
• 9.5 - Lightning Protection in Japanese Smart Grids

Additional informations