May 2017
Electricity Distribution
Instrument for the identification of Live and Not Live HV and LV cables
May 2017
Nov 2020
SP Energy Networks
Andrew McDiarmid
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Network Innovation Allowance
ED - New technologies and commercial evolution, ED - Safety and health and environment
Health and Safety, LV & 11kV Networks and Measurement
This project will have four main work packages:

1. Feasibility Study

A feasibility study will be carried out on a number of potential solutions to the problem, including magnetic coupling using differential hall sensors and inductive coupling, and the measurement of RF leakage levels. The results will be analysed and compiled into a feasibility report.

2. Instrument Design and Development

Using the feasibility study results, an instrument will be developed. A full instrument specification will be created, the PCBs and circuitry developed, along with the instrument’s software, and the enclosure designed using CAD.

3. Acceptance and Field testing

The two prototype instruments will be tested in the field by trained operatives. The results of this testing- including accuracy of voltage detection, ease of use, and accuracy in determining whether a cable is live or dead. These results will be compiled into a report.

4. Commercial Development

The results of the testing phase will be used to inform further development of the instrument, taking the prototype to a commercially viable product.

The main objectives of this project regard the development of an instrument which will allow cables in a cable trench to be identified whether a cable is live, then identifying whether it is running at HV or LV. Two prototype units with specifications and CAD drawings will be delivered. The final result of the project will be a commercial product which may be produced by a manufacturer.

The delivery of the above objectives, within budget and within agreed timelines, as is reasonable depending on the knowledge at this stage of the development phase.

The project will be managed within SPEN applying due diligence and best practices where appropriate.

The staged outcomes will include reports and specifications available for other licensees.