Colloquium B5 - Osaka 2025

PS1

Paper and poster list

1100    IEC 61850-based off-site engineering and validation methodology for protection, automation, and control systems
1110    Itaipu experience in the evaluation of performance and interoperability of protection based on process bus
1113    Interoperability Aspects from Rte’s R#SPACE Project related to the Application of IEC 61850 Requirements
1114    Standards based engineering and its impact on interoperability of IEC 61850 based protection and control systems
1117    Development of Gateway for IEC 61850 Digital Substation
1120    Research on the improvement of operation and maintenance efficiency of relay protection based on digital design technology
1121    Experiences in Interoperability Testing of IEDs Focusing on Time Synchronization Behavior
1128    Multivendor Interoperability Tests for Process Bus in Japan based on International Standards
1129    Development of IEC 61850 compliant multi-functional fault recorder
1130    IEC 61850 based Interoperability：CYG SUNRI’s exploration in Intelligent Substation
1138    Interoperability Tests in a multivendor Platform of busbar protection using IEC 61850 process bus applied by CIGRE Working Group B5.74.
1142    Enhanced PACS Network with Intent-Based Networking and IEC 61850
1143    Developing a Comprehensive IEC 61850 Data Model for Network Switches
1146    Top-Down Engineering Process Application on Digital Substation Protection, Automation and Control System Deployment
1149    Best practices for IEC 61850 tools to achieve interoperability and efficiency
1157    Simplifying the configuration process for IEC61850-based systems through generative AI technology
1159    A proposal for standardisation of GOOSE and Sampled Value messages configuration

GDM Response contributions

Question 1.01:     

Interoperability levels for industrial PACS deployment  -  B5_PS1_Q1.01_LEITLOFF_FR_2025.pdf
PACS Specification Development - B5_PS1_Q1.01_ALEXANDRINO_BR_2025.pdf
Itaipu activities on best practices and requirements for interoperability    B5_PS1_Q1.01_PESENTE_BR_2025.pdf
Engineering Practices for Interoperability Beyond IEC 61850    B5_PS1_Q1.01_LISBOA_BR_2025_v2.pdf
Functional Specifications for the Common Use of IEC 61850 in Substation PAC Systems in Japan    B5_PS1_Q1.01_RYONO_JP_2025.pdf
Standardization taken seriously    B5_PS1_Q1.01_STEINHAUSER_AT_2025.pdf

Question 1.02:     

The Evolution of Process Bus IEDs and Testing Tools from Basic Digital Interfaces to Full IEC 61850 Integration    B5_PS1_Q1.02_JUNIOR_BR_2025.pdf
What are the advantages and drawbacks regarding the functionalities of Process Bus IEDs, for a basic implementation (digital interface only without IEC 61850 services) up to a complete IEC 61850 IED hosting the process interface and protection applications?    B5_PS1_Q1.02_LELLYS_BR_2025_2.pdf
Comparison of process bus IEDs with different constraints and consideration for their introduction into Japanese substations    B5_PS1_Q1.02_KAWASAKI_JP_2025.pdf
Functions and Challenges of IEC 61850 Process Bus IEDs    B5_PS1_Q1.02_TANAKA_JP_2025.pdf

Question 1.03:   

The Network Monitoring as a Solution for a Reliable IEC 61850 Process Bus    B5_PS1_Q1.03_JUNIOR_BR_2025_2.pdf
Substation Network Monitor    B5_PS1_Q1.03_ALEXANDRINO_BR_2025.pdf
As much as needed, as little as possible, but using the best    B5_PS1_Q1.03_STEINHAUSER_AT_2025.pdf

Question 1.04:     

Market deployment enablers and obstacles for IEC61850 interoperability tools    B5_PS1_Q1.04_MAPAPANYANE_ZA_2025.pdf
Factory Acceptance Test (FAT) in a Multi-Vendor Configuration    B5_PS1_Q1.04_NISHI_JP_2025.pdf
The Market Deployment Challenges of IEC 61850 Solutions    B5_PS1_Q1.04_JUNIOR_BR_2025.pdf
PACS Engineering Process    B5_PS1_Q1.04_ALEXANDRINO_BR_2025.pdf
Practical Interoperability Challenges and Identified Gaps of Tools    B5_PS1_Q1.04_WU_SE_2025.pdf

Question 1.05:     

Security measures for IEC 61850 compliant multi-functional fault recorder    B5_PS1_Q1.05_SUZUKI_JP_2025.pdf
SCL - Network and Synchronization Description    B5_PS1_Q1.05_ALEXANDRINO_BR_2025.pdf
Switches, Clocks, Servers should be considered IEDs    B5_PS1_Q1.05_LISBOA_BR_2025.pdf

Question 1.06:   

Interoperability is not a feature — it’s the baseline.    B5_PS1_Q1.06_LISBOA_BR_2025.pdf

Question 1:07:  

Key aspects for interoperable IEC 61850 PACS    B5_PS1_Q1.07_KENZO_BR_2025.pdf
Installation of IEC 61850 devices to existing Substations    B5_PS1_Q1.07_HARADA_JP_2025.pdf

Question 1.08:     

Itaipu understanding on priority actions and obstacles for interoperable PACS    B5_PS1_Q1.08_PESENTE_BR_2025.pdf
Priority actions and obstacles for interoperable PACS deployment    B5_PS1_Q1.08_KENZO_BR_2025.pdf
Using Hardware-In-the-Loop based Lab Environment to Validate PACS Solutions    B5_PS1_Q1.08_WU_SE_2025.pdf
Interoperability Without Guarantees Is Just Hope    B5_PS1_Q1.08a_LISBOA_BR_2025.pdf
Interoperable 61850 Requires Leadership — Not Just Compliance    B5_PS1_Q1.08b_LISBOA_BR_2025.pdf

Question 1.09:   

Evolving PACS from Local Interoperability to Grid-wide Intelligence.    B5_PS1_Q1.09_LISBOA_BR_2025.pdf
Itaipu understanding on next PACS technologies    B5_PS1_Q1.09_PESENTE_BR_2025.pdf
Next generation PACS technology    B5_PS1_Q1.09_YAMAMOTO_JP_2025.pdf
Going beyond the substation with communications    B5_PS1_Q1.09_STEINHAUSER_AT_2025.pdf

PS2

Paper & Poster List

1111    Development of Integrated System Emergency Preventive Controller for 500kV Systems
1125    Application of updating Total Measurement System using intermediate distribution frame retrofit modification
1126    Evolution of the System Stabilization Technology Supporting the Stable Operation of the Kansai Grid
1127    Status and future direction of digital relay operation and maintenance in Japan
1131    Unit-replacement method of Protection Relay
1139    Digitalization Progress and Approach for Full Digitalization of Distribution Substations in the Kansai Region of Japan
1144    Line Differential Protection over MPLS-TP: Guaranteed Reliability, Flexibility, and Longevity in PACS
1155    Electrical Studies of a Drilling Vessel with Dynamic Positioning for Operation with Closed Busbar and Replacement by H2 Fuel Cell
1165    Enhancing existing line differential relay operation reliability with hitless IP/MPLS multipath redundancy

GDM Response contributions

Question 2.01

Intelligent Predictive Condition, Performance & Reliability Monitoring IEDs    B5_PS2_Q2.01_AVIZ_BR_2025.pdf

Question 2.02

Current Efforts and Future Product Lifecycle of PACS for Long-Term Product Offerings    B5_PS2_Q2.02_SUGENO_JP_2025.pdf
Long-life simple and robust process interface units    B5_PS2_Q2.02_WU_SE_2025.pdf
Increasing Occurrence of Relay Model Changes: Impact & Transition to Models with Later Hardware & Firmware    B5_PS2_Q2.02_BISHOP_NZ_2025.pdf

Question 2.03

Ensuring compatibility by applying communication units in BSS    B5_PS2_Q2.03_KURUSHIMA_JP_2025.pdf
Challenges of integrating PAC systems with different stages of implementation standards    B5_PS2_Q2.03_PABLO_BR_2025.pdf
MPLS-TP: Enabling Seamless Interoperability In PACS    B5_PS2_Q2.03_HAEGDORENS_BE_2025 .pdf
Compatibility Must Be Designed, Not Assumed    B5_PS2_Q2.03_LISBOA_BR_2025.pdf

Question 2.04

PACS Needs Predictability — Not Just Protocol Standardization    B5_PS2_Q2.04_LISBOA_BR_2025.pdf
Using IP/MPLS addressing the issues (Spontaneous)    B5_PS2_Q2.04_VERHULST_BE_2025_Spontaneous.pdf

Question 2.05 

Asset Management and Modernization Strategies in Brazil: PAC Systems x Primary Equipment    B5_PS2_Q2.05_LIMA_BR_2025.pdf
Digitalization Progress and Approach for Full Digitalization of Distribution Substations in the Kansai Region of Japan    B5_PS2_Q2.05_KATO_JP_2025.pdf
Measures for Transition to Digital Substations    B5_PS2_Q2.05_KAWANO_JP_2025.pdf
Monitoring of primary equipment with fully digital PACS    B5_PS2_Q2.05_LEITLOFF_FR_2025.pdf
A Simple and Economical Way to Digitize Substations Using Comm IF and Legacy Devices    B5_PS2_Q2.05_ENOMOTO_JP_2025.pdf
The IEC 61850 change process in Taiwan with a managed scope    B5_PS2_Q2.05_JI_HK_2025.pdf

Question 2.06

Itajaí Substation PACS Test Modes    B5_PS2_Q2.06_ALEXANDRINO_BR_2025.pdf
Unit-replacement method of Protection Relay    B5_PS2_Q2.06_SHIMOFUJI_JP_2025.pdf
Reducing on-site work time by updating Total Measurement System using intermediate distribution frame retrofit modification    B5_PS2_Q2.06_SATO_JP_2025.pdf

Question 2.07

Environmental considerations for field IEDs    B5_PS2_Q2.07_COGGAN_AU_2025.pdf

Question 2.08

Protection System Requirements for Interconnecting Distributed Energy Resources in Japan    B5_PS2_Q2.08_FUKUYA_JP_2025.pdf
Adaptation of Transmission Line Protection Relays for Multiple Terminal along with the Expansion of Distributed Power Source Interconnections    B5_PS2_Q2.08_ENDO_JP_2025.pdf
Application of Adaptive Real-time Control for SIPS    B5_PS2_Q2.08_KAWASHIMA_JP_2025.pdf
Modification of Transmission Line Main Protection Scheme by Unit Replacemen（From Transverse Differential Relay Scheme to Current Differential Relay Scheme B5_PS2_Q2.08_SONODA_JP_2025.pdf
Distribution Feeder Protection Relay for Inverter Based Resources    B5_PS2_Q2.08_TOMINAGA_JP_2025.pdf

Question 2.09

A New and Complex Era for Renewables and Its Effects on Existing PACS    B5_PS2_Q2.09_AVIZ_BR_2025.pdf
System Evolution : Rte’s Approach through the R#SPACE Project    B5_PS2_Q2.09_MERLEY_FR_2025.pdf

PS3

Paper & Poster List

1107    A Novel Short-circuit Detection Scheme for IBR-based MV(medium voltage) Microgrids
1109    Prototype and evaluation of a new Sampling Rate Interchange-MU (SRI-MU) compliant with IEC 61850/61869
1112    Method of single-phase grounding protection for small resistance grounding system
1115    Cross differential protection applications in IEC 61850 based digital substations
1116    Development of a 275kV Line Differential Protection IED with Distributed and Integrated Functionality
1119    Implementing IRAS that Contributing Blackout Prevention
1122    Cybersecurity Risks and Operational Impacts on Microgrids in Grid-Connected and Isolated Modes
1123    Development of a portable transfer trip device
1124    Considerations for Using IEDs as Protection Relay Devices in Japan
1134    Impact of LPITs on Protection Algorithms
1135    Development of N-1 inter-trip scheme using IP transmission
1137    Automatic Supervision for Trip Circuit in Process Bus System
1141    Development of Integrated Stability Control (ISC) system
1145    Double ended travelling wave fault location using unsynchronized data
1147    Sensitive Turn-to-turn Fault Protection for Power Transformers Using Incremental Negative-Sequence Differential and Advanced Stabilising Criteria
1148    Best Practices for Optimizing Settings and Configuration Management of IEDs: Challenges and Application Experiences
1151    Line Differential Protection for Long-Distance Remote Assets using Passive Optical Sensing
1152    Application of the directional ground-fault protection to detect turn-to-turn faults in an optimum protection scheme for high-voltage shunt reactors
1154    Best maintenance practices adopted by Brazilian TSO considering modern IEDs
1161    Evaluation of a line protection system with a series-compensation capacitor
1163    Monitoring System for the Communication Network of Protection Systems in Digital Substations  
1164    Case Study of a PCMS in a Real-World Power Network

GDM Response contributions

Question 3.01:  

Real-Time Adaptive UFR Control for Frequency Stability in Renewable-Integrated Power Grids    B5_PS3_Q3.01_IZUMIYA_JP_2025.pdf
New perspectives on distance protection in new power system    B5_PS3_Q3.01_XIANG_CN_2025.pdf
The Traveling Wave-Based Protection and Related Test System as an Evolution of Power System    B5_PS3_Q3.01_JUNIOR_BR_2025.pdf
A Novel Short-circuit Detection Scheme for IBR-Based Medium Voltage Microgrids    B5_PS3_Q3.01_UDA_JP_2025.pdf
New protection developments for dynamically changing power system    B5_PS3_Q3.01_MAPAPANYANE_ZA_2025.pdf
New functions and more adaptable protections    B5_PS3_Q3.01_KENZO_BR_2025.pdf
Challenges for Turn-to-turn Fault Protection for Power Transformers in Power Systems with Inverter-Based Resources    B5_PS3_Q3.01_MIESKE_DE_2025.pdf

Question 3.02:

Key aspects for a more reliable system.    B5_PS3_Q3.02_KENZO_BR_2025.pdf

Question 3.03:

Benefits of implementing a fully digital substation    B5_PS3_Q3.03_OLIVEIRA_BR_2025.pdf
Experiences Gained with LPITs Testing Procedures to Increase Confidence on this Technology    B5_PS3_Q3.03_JUNIOR_BR_2025.pdf
A Multi-Sync Merging Unit for Reliable and Cost-Effective Process Bus Systems    B5_PS3_Q3.03_KAWAZOE_JP_2025.pdf

Question 3.04:

Technical and external drivers for transitioning to fully digital substations    B5_PS3_Q3.04_MAPAPANYANE_ZA_2025.pdf
Drivers for Change as seen and experienced by Australian Mirror Panel Members    B5_PS3_Q3.04_COGGAN_AU_2025.pdf
Motivations to move to fully digital substations based on results from WG B5.69    B5_PS3_Q3.04_LEITLOFF_FR_2025.pdf
A global view of the substation to motivate the scaling of digital substations    B5_PS3_Q3.04_PABLO_BR_2025.pdf

Question 3.05:

Cases of mutual cooperation for emergency frequency control    B5_PS3_Q3.05_KURUSHIMA_JP_2025.pdf
Advances in Protection and Special Protection Schemes in the Evolving Power System    B5_PS3_Q3.05_AVIZ_BR_2025.pdf

Question 3.06:

Protection and reconfiguration functions for more complex networks    B5_PS3_Q3.06a_AVIZ_BR_2025.pdf
We will prepare the protection and automation community for more complex networks pushed to their limits.    B5_PS3_Q3.06b_AVIZ_BR_2025.pdf

Question 3.07:

The Hidden Value of Cybersecurity Controls Maintenance in Power System Automation    B5_PS3_Q3.07_CARMO_BR_2025.pdf

Question 3.08:

Recommendations from the Perspective of the Protection, Automation, and Control Engineer`s Experience    B5_PS3_Q3.08_AVIZ_BR_2025.pdf