UKERC EDC: Publications

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Abstract:

This document is a closedown report for the project titled 'Alternative Differential Unit Protection for Cable only and Cable & OHL hybrid installations'.

This R&D Project aims:

To evaluate the practicability, reliability and benefits of implementing alternative non conventional current sensors (i.e. Rogowski coil) based differential unit protection for Cable systems (i.e. Cable only and Cable & OHL hybrid installations) over conventional Current Transformer (CT) based protection. To carry out the preliminary evaluation a pilot installation is recommended on Pitsmoor-Wincobank cable circuit on April 2012 as monitoring unit.

To determine the systems suitability to be utilised as Emergency Return to Service (ERTS) system. This will help to formulate a technical and operational knowledge base for Non Conventional Instrument Transformer (NCIT) protection systems which could lead to evaluation of future technical and procurement strategy to deploy as replacement and/or new Cable system protection.

This report covers the project's:

Scope

Objectives

Success Criteria

Performance Compared to the Original Project Aims, Objectives and Success Criteria

Required Modifications to the Planned Approach During its Course

Lessons Learnt for Future Projects

Outcomes

Planned Implementation

Publication Year:

2014

Publisher: