Summary
This paper presents a review of the recent retrofitting of legacy External Gas Pressure (EGP) cable systems with modern XLPE cables on the 132kV transmission network in Aberdeen,
Read more Read lessScotland. Originally installed over 60 years ago, the existing EGP assets comprised two 4.8 km, steel pipe systems between Redmoss and Clayhills substations. As urban constraints made full cable route replacement undesirable, the Transmission Owner undertook a major retrofit using the original pipe infrastructure. The paper documents the technical challenges, condition assessment findings, construction constraints, and lessons for future retrofit projects.
Additional informations
| Publication type | Session Materials |
|---|---|
| Reference | B1_12234_2026 |
| Publication year | |
| Publisher | CIGRE |
| Country | United Kingdom |
| Study committees | |
| File size | 1 MB |
| Price for non member | 30 € |
| Price for member | 30 € |
Authors
MAMATELASHVILI George - SSEN Transmission UK; KELLY Kevin - SSEN Transmission UK; ABDUL BARI Rafiq - SSEN Transmission UK; WALSH Martin - SSEN Transmission UK
Keywords
Underground Cable, Pipe Type Cable, Cross-Linked Polyethylene Cable, Gas Compression Cable, Retrofitting, Oil Filled Cable, Cable Removal.
