CIGRE-AORC Colloquium - Japan 2020

Summary

Session 1 (A1 Rotating electrical machines)

• 1-1 Implementation of FRAS for Hydro Power Plants Using Fuzzy Techniques

Session 2 (A2 Power transformers and reactors)

• 2-1 DGA and Forensic Inspection on Failure Modes of Hermetically Sealed Mineral Oil-filled Distribution Transformers
• 2-2 Study on the insulation margin of UHV transformer operating in extreme cold ambient
• 2-3 Development of Higher Efficiency 30MVA-classed Distribution Transformer with Amorphous and Silicon Steel Hybrid-Core

Session 3 (A3 Transmission and distribution equipment)

• 3-1 The Quality Evaluation of Switchgear Based on Fuzzy Comprehensive Evaluation Method
• 3-2 Development of EHV DC circuit breaker with current injection
• 3-3 CIGRE reliability survey on equipment
• 3-4 Interrupting performance of circuit-breakers with SF6 and SF6 alternatives
• 3-5 GIS On-line Condition Monitoring Solution Using Real-time Data Collected from GIS Mounted Sensors
• 3-6 Development of 6 kV solid insulated switchgear with sensors and diagnostic device
• 3-7 Development of GIS type Surge Arrester applying Hyper gradient ZnO element
• 3-8 550 kV GIS Transportable as a One-Bay-Size Unit and the Technologies Applied to Its Components
• 3-9 Development of direct molded 500kV polymer-housed surge arrester according to JEC standard

Session 4 (B1 Insulated cables)

• 4-1 Development of 66kV Wet Design Inter Array Cable
• 4-2 The Evaluation of Application Results of Gas Analysis for XLPE Cable Terminations
• 4-3 Method of Selecting Step Stress Test Parameters for Voltage Endurance Coefficient of Cross-linked Polyethylene Cable
• 4-4 Simulation and Analysis of Induced Voltage of Standby Cable Conductor in Hainan Grid Interconnection Project
• 4-5 Digitalization of Underground Cable Systems by Online Monitoring using Metallic Sheath of the Existing Power Cables as Communication Line
• 4-6 Selective Visualization for X-ray Inspection of Power Transmission Cable Joints
• 4-7 Investigation of Deterioration and Electric Insulation Performance of Insulating Papers in Removed Self-Contained Fluid Filled Cables
• 4-8 Development of Diagnosis for a Waterproof Layer of XLPE Cable Using a Terahertz Imaging System
• 4-9 Water Trees - Major Degradation Cause for 60 kV Class Dry-cured XLPE Cable Body -

Session 5 (B2 Overhead lines)

• 5-1 The Characteristics of Power Loss Rate of the UHV Half-wavelength Transmission Line
• 5-2 Cost Comparison of Compact Transmission Lines with Composite Insulated Cross-Arms
• 5-3 Introduction of New Application of Drone for Ground Wire Inspection
• 5-4 The suppressing effect of corona discharge with RTV silicone rubber coated insulators under polluted conditions
• 5-5 Effect of flux dregs on inner surfaces corrosion of circular piping type steel members
• 5-6 Similarity Analysis of Porcelain Insulator Defects for Improvement of Transmission Line Inspection Efficiency
• 5-7 Measurement of magnetic flux density adversely affecting drones and taking wire images during automatic flight along overhead transmission lines with sagging
• 5-8 Differences in Perforation Mechanisms of Actual Steel Pipe Towers
• 5-9 Inspection Robot Applied to Overhead Transmission Lines
• 5-10 Study on Automatic Diagnosis Algorithm for Transmission Equipment Using AI Technology
• 5-11 Study of life prediction and degradation diagnosis techniques for paint system on overhead transmission towers
• 5-12 Design of a 230 kV Compact Transmission Line for Using in Limited Area
• 5-13 Preparation of "Slippery Liquid Infused Porous Surface" aluminium conductor with excellent anti-icing property
• 5-14 Study on Overhead Transmission Line Inspection Using Drone - Automatic Tracking System for Wire Inspection -
• 5-15 Development of a sheave passing compression-type dead-end clamp for a carbon fiber core wire
• 5-16 Application of polymer insulators as countermeasures for volcanic ash
• 5-17 Application Examples of Dynamic Line Rating for Connect & Manage in Belgium, Netherlands, France and Germany
• 5-18 Operational Practices of Malaysia’s Grid System Operator during a Movement Control Order

Session 6 (B3 Substations and electrical installations)

• 6-1 Patrolling Robot Path Planning Method Based on Particle Swarm Optimization and Tabu Search
• 6-2 Simple evaluation methodology for substation gantries to optimize reinforcement
• 6-3 Realization of quick restoration by mobile substations in the event of natural disasters
• 6-4 Anti-pollution Design Criteria and Specific Examples for Polymer Bushings in Japan
• 6-5 Application of Gas Insulated Transformer Considering Reduction of Environmental Impact, Fire Prevention and Safety
• 6-6 High efficiency and degree of development in inspection work for substation equipment applied with an Artificial Intelligence diagnostic system
• 6-7 Challenges faced in converting Static hardwired external scheme to Numerical soft logics for Auto and Manual Synchronizer
• 6-8 Gas Handling and Lifetime Aspect of F-gas Free Switchgears Applying CO2/O2 Natural-origin Gas Mixture

Session 7 (B4 DC systems and power electronics)

• 7-1 A Novel DC Filter Scheme for Reforming the Existing Terminal-terminal LCC-HVDC to Multi-terminal Type
• 7-2 Hardware in the Loop Test of Control & Protection System for Hokkaido-Honshu HVDC Link Pole 2 Refurbishment
• 7-3 The Method for Suppressing DC Loop Resonance of the 12-pulse Rectifier Based on Control Parameter Modulation
• 7-4 The Study on the Interaction Between VSC and the Power System in TOSHIN STATCOM Project
• 7-5 Control Design of Transfer Operation between Grounding and Metallic Return Configurations for Multi-terminal HVDC systems

Session 8 (B5 Protection and automation)

• 8-1 A Study on Centralized Back-up Protection Scheme for 154kV Power System
• 8-2 Compensation-based Impedance Protection for Capacitor Banks
• 8-3 New Protection Relay System based on High Reliable Process Bus
• 8-4 Support System for the Work in Defining Relay Settings
• 8-5 Novel Principle of Phase Selection for Series Compensated Lines
• 8-6 Multidimensional Information Based Intelligent Protection System for High Voltage Transmission Lines
• 8-7 System Integrity Protection Scheme (SIPS) Supporting a System Interconnections with Renewable Energy Sources
• 8-8 Development of Protection Relay Training Facility Using Digital Simulator

Session 9 (C1 Power system development and economics)

• 9-1 A Radial Power Grid Restoration Method Based on Unit System Planning
• 9-2 Integrated Geographic Information System (GIS) and Multi-Criteria Decision-Making (MCDM) for Renewable Energy Assessment and Site Suitability in Southern Philippines
• 9-3 Long-term Demand Forecast Method for Emerging Countries (Considering the Relationship between Economic Level and Cost Structure in Multiple Countries)

Session 10 (C2 Power system operation and control)

• 10-1 Study of AI Based Power System Control Method toward Large Penetration of PV – Significant Maintenance Cost Reduction of Voltage Control Equipment –
• 10-2 A Modified Dragonfly Algorithm for Economic Load Dispatch Problems Using Isolated Dragonfly Control
• 10-3 Voltage-security-constrained Single-period Unit Commitment
• 10-4 Fast Emergency Power Control Strategy for Offshore Windfarm Connecting with VSC-HVDC
• 10-5 Challenges and Lessons Learnt from the Black start restoration

Session 11 (C3 Power system environmental performance)

• 11-1 What Value Does VPP Bring to Us? - Potential Value Evaluation Methodology Development –

Session 12 (C5 Electricity markets and regulation)

• 12-1 Renewable Energy – Commercial, Regulatory Aspect & Challenges

Session 13 (C6 Active distribution systems and distributed energy resources)

• 13-1 DC Microgrid Experimental System at KIT using Renewable Energy Resources
• 13-2 Smart Local Volt-var Control based on a Dead Band Strategy for Japanese Distribution Network
• 13-3 Study on Voltage Calculation Method of Medium Voltage Distribution System Utilizing Data from Sensor-equipped Switchgears and Smart Meters
• 13-4 Study of voltage fluctuation in distribution system introduce PV and EV charger
• 13-5 Verification of Stability by Virtual Inertia for Multiple Virtual Synchronous Generators Predominating Independent Microgrid
• 13-6 Analysis of Distribution System with Consideration of Electric Vehicle Charging Demand Using Agent-Based Model
• 13-7 Utility pole deterioration modelling by artificial intelligence with big data analysis
• Distribution Voltage Regulation Method by Step Voltage Regulator Considering Relationship between PV output and Voltage
• 13-8 Distribution Voltage Regulation Method by Step Voltage Regulator Considering Relationship between PV output and Voltage
• 13-9 Voltage Traveling Wave Location and Rapid Restoration Control System for Distribution Networks Based on Cloud Platform
• 13-10 A real time monitoring method for single-line break fault based on dual-terminal information of distribution network with fault tolerant
• 13-11 Examination of Facility Construction According to Region by Predicting Future Current Change of Distribution System
• 13-12 Optimizing standard of Low-voltage equipment to connect solar power generation to power grid

Session 14 (D1 Materials and emerging test techniques)

• 14-1 Electric field mitigating effect of nonlinear resistance material on insulator surface with adhered metal particles

Session 15 (D2 Information systems and telecommunication)

• 15-1 Tata Power's Experience On Improvement of Distribution Automation on 3G Mobile Network

Additional informations