Ratings of Cables in Tunnels (RoCiT)

Mar 2013

Electricity Transmission

Reference:

Status: Live

Start Date: Mar 2013

End Date: Unknown

Funding Licencee(s): National Grid Electricity System Operator

Contact: National Grid TO Innovation Team

Funding Mechanism Innovation Funding Incentive

Research Area: None

Core Technology(ies): Asset Management

Estimated Expenditure: £317,000.00

Introduction: This project will address rating methods employed in the design of both forced cooled and naturally ventilated cable tunnels.

Objectives: The objectives of this project are to:

Review the ratings methods used to design cable tunnels
Assess existing operational data from cable tunnels, including Distributed Temperature Sensor (DTS) data
Develop a specification for a rating method for cable tunnels installations with independent cable circuits.