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| Reference Number | NIA2_NGET0063 | |
| Title | intercompatible CAble REpair (iCARE) | |
| Status | Started | |
| Energy Categories | Other Power and Storage Technologies (Electricity transmission and distribution) 100%; | |
| Research Types | Applied Research and Development 100% | |
| Science and Technology Fields | ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 100% | |
| UKERC Cross Cutting Characterisation | Not Cross-cutting 100% | |
| Principal Investigator |
Project Contact No email address given National Grid Electricity Transmission |
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| Award Type | Network Innovation Allowance | |
| Funding Source | Ofgem | |
| Start Date | 01 April 2024 | |
| End Date | 31 March 2026 | |
| Duration | ENA months | |
| Total Grant Value | £1,500,000 | |
| Industrial Sectors | Power | |
| Region | London | |
| Programme | Network Innovation Allowance | |
| Investigators | Principal Investigator | Project Contact , National Grid Electricity Transmission (100.000%) |
| Industrial Collaborator | Project Contact , National Grid Electricity Transmission (0.000%) |
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| Web Site | https://smarter.energynetworks.org/projects/NIA2_NGET0063 |
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| Objectives | An ERTS solution that can promptly re-establish service in the event of a cable fault and would greatly improve resilience of a fast-changing electricity infrastructure. Cable repair times will be reduced from weeks to days if this project is successful.The existing ERTS product of Pfisterer covers up to 170 kV. Design limitations on weight and size, handling issues for installation and behaviour of epoxy curing process restrict the ability to scale up to either 275kV or 400kV systems currently this project will explore feasibility and prototype testing to remove these challenges and limitations.A modular lego approach where onsite jointers will prepare both cable ends with male connectors. A factory pre-tested back to back female joint will be shipped to site for assembly and energisation.The key goals of this project is to develop this solution for 400kV and to (1) identify technically viable materials and robust methods to connect two female components with inert materials, (2) ensuring optimised design with respect to weight and size of the joint while effectively manage the field stress in critical regions and (3) design and develop representative scaled prototype demonstrators for dielectric type testing to validate the proposed solution.A subsequent T3 project is being planned that will see this solution fully tested at both 400kV and 275kV and market ready within T3 if this initial project proves successful. Design analysis for a 400kV prototype jointPrototype demonstration stageMaterial development for connector technologyProject management, recommendation and dissemination Significantly reduce cable repair time leading to lower capital expenditures,Reduce management and associated costs of spare parts and perishable items,Improve availability of product standardised universal joint components easily configurable to different cable designsThe flexibility to disconnect/reconnect and test from the pluggable joint body in the event that the repair installation encountered unexpected technical issues, which is not possible with the conventional cable jointing approach.Testing of prototype to ensure that this solution can be scaled to 400kV. | |
| Abstract | Although substantial studies have been performed on overhead line and cable, there is far fewer studies on the potential risk posed to interfaces within cable joints for high voltage (HV) cable systems. There are significant cost and time associated with any cable repair, with the situation likely to worsen with an increasing number of cable installations and an ageing fleet of cable assets. The availability of a "Universal Joint" would enable a package to be made available for a speedy cable repair solution that can promptly re-establish service in the event of a cable fault, this emergency return to service solution would greatly improve resilience of a fast-changing electricity infrastructure. | |
| Data | No related datasets |
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| Projects | No related projects |
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| Publications | No related publications |
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| Added to Database | 18/09/24 | |
