Summary
Distributed Temperature Sensing (DTS) and Distributed Acoustic Sensing (DAS) systems have become critical technologies for monitoring and maintaining power cable infrastructure. These advanced systems provide real-time temperature and acoustic data, enabling utilities and renewable energy producers to detect and address potential issues proactively. These Fibre optic-based DTS and DAS systems offer significant advantages over traditional monitoring methods.
Given their growing importance, comprehensive guidelines for Site Acceptance Testing (SAT) are essential to ensure reliable performance under diverse operational conditions. This Technical Brochure addresses a clear knowledge gap by defining a structured SAT process for commissioning of DxS systems and their related applications. It also lays the groundwork for future standardisation efforts by organisations such as IEEE and IEC.
Table of content
1. Introduction
2. Basic Principles of DxS Systems
2.1. Principles of Distributed Fibre Sensing
2.2. Distributed Temperature Sensing System
2.3. Distributed Acoustic Sensing System
2.4. Distributed Strain Sensing System
2.5. Role of the Computer System Controlling the DxS System
3. Literature Review
3.1. Brief History of Distributed Sensing Systems for Power Cable Monitoring
3.2. Review of Existing Standards and Guidance Documents
3.3. Examples and Experience with Distributed Sensing Systems in Power Cable Monitoring
3.4. Trends and Development in Distributed Sensing Systems for Power Cable Monitoring
3.5. Conclusion of Literature Review
4. Prerequisites for SAT of DxS Systems
4.1. Stakeholders and Responsibilities in DxS System SAT
4.2. Prerequisites Check List for SAT
4.3. DxS Measurement System Information
4.4. Shipment of DxS System and Confirmation of Work Area
4.5. Site Information
4.6. Site Access
4.7. Site Documentation
4.8. System Alarms
4.9. Preparation for Testing
4.10. Data Export
4.11. Specific Requirements for Integration of DxS into a Control Centre Environment
4.12. Cybersecurity
4.13. Safety Requirements
5. Site Acceptance of Distributed (DxS) Systems
5.1. Introduction
5.2. SAT Scope, Planning and Contractual Considerations
5.3. Recommended Scope for Site Acceptance Tests
5.4. Set-up On-site
5.5. Site Specific Configuration
5.6. System Validation
5.7. Handover & Initial Acceptance
5.8. Post Site Acceptance
6. Applications, Integrations and Considerations of DxS Systems into the user’s Network
6.1. Applications for DxS Systems
6.2. Integration of a DxS System - Typical Architectures for DTS and DAS Systems
6.3. Data Properties and Guidelines
6.4. Consideration & Review of Security
7. Lifetime Accuracy and Reliability Considerations
7.1. Reliability, Lifetime, and Mean Time Between Failure (MTBF)
7.2. User Expectations
7.3. Expected Life of the DTS/DAS Systems before a Replacement is Necessitated
7.4. Operating and Maintenance Practices for DTS and DAS Systems
7.5. OEM Maintenance Recommendations
7.6. System Maintenance Practices
7.7. Impact of Accuracy on Decision Making
8. Future Development/Applications of Fibre Sensing for Power Cable
8.1. Potential Applications in Power Cable Monitoring
9. Discussions, Conclusions, and Recommendations
Appendix A
A.1. CIGRE Terms
A.2. Organisation Acronyms
A.3. Specific Terms in this TB Acronyms
A.4. Glossary
Appendix B
Appendix C
C.1. Introduction
C.2. DTS Application for the Largest/Longest Offshore Wind Farm
C.3. Temperature Monitoring and RTTR Application for an Offshore Wind Farm
C.4. Installation with Retrofitted Optical Fibre into the Core of a 525kV Submarine Cable
C.5. Real-Time Rating Application on the 525kV Cable
C.6. DTS System for Depth of Burial Monitoring
C.7. Site Acceptance Tests on DAS
C.8. DAS Application on a North Sea Offshore Wind Farm
C.9. Fault Finding Utilising DTS on an Offshore HVDC Cable
Appendix D
D.1. Project Quality and Compliance
D.2. System Documentation
D.3. System Commissioning
D.4. Operation & Maintenance
Appendix E
E.1. Introduction
E.2. Importance of Cybersecurity for Critical Infrastructure
E.3. Challenges in Implementing Cybersecurity
E.4. Relevant Cybersecurity Standards for Power Systems
E.5. Information Security in DxS Systems
E.6. Conclusion
Additional informations
| Publication type | Technical Brochures |
|---|---|
| Reference | 984 |
| Publication year | |
| Publisher | CIGRE |
| ISBN | 978-2-85873-689-8 |
| Study committees | |
| Working groups | WG B1.80 |
| File size | 6 MB |
| Pages number | 128 |
| Price for non member | 240 € |
| Price for member | Free |
Authors
Sudhakar CHERUKUPALLI, Convener (CA), Tony LUCIGNANO, Secretary (NO)
Florian AINHIRN (AT), Sridhar ALAPATI (SE), Max BOHANA (US), Marco BRAMBILLA (IT), Matthieu CABAU (FR), Jeffree CAIRNS (AU), Lukas DOMURATH (DK), Johan HANSSON (NL), Alan HOEY (IE), Baojun HUI (CN), Krisztian JANI (BE), Mohsen KAVIAN (NL), Anqiang LV (CN), Landry MOLIMBI (US), Simon DE RIJCKE (BE), Etienne ROCHAT (CH), Davide SARCHI (IT), Henni SCHOLTZ (ZA), Jinron TAN (JP)
Keywords
DTS/DAS, Fibre-optic sensing, site acceptance test, cable monitoring
