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Autonomous current sensing for high voltage systems with auxiliary optical energisation

E.F. Donaldson (E.F. Donaldson is now with Donaldson Design and Development Services, UK.)

P.A. Calton (P.A. Calton is based at the Centre for Intelligent Monitoring Systems, Department of Electrical Engineering and Electronics, University of Liverpool, Brownlow Hill, Liverpool L69 3GI, UK. E‐mail: p.a.calton@liv.ac.uk)

J.R. Gibson (J.R. Gibson is based at the Centre for Intelligent Monitoring Systems, Department of Electrical Engineering and Electronics, University of Liverpool, Brownlow Hill, Liverpool L69 3GI, UK. E‐mail: jrgjrg@liv.ac.uk;)

G.R. Jones (G.R. Jones is based at the Centre for Intelligent Monitoring Systems, Department of Electrical Engineering and Electronics, University of Liverpool, Brownlow Hill, Liverpool L69 3GI, UK. E‐mail: g.r.jones@liv.ac.uk)

N.A. Pilling (N.A. Pilling is based at NGC Research Laboratories, Leatherhead, UK.)

B.T. Taylor (B.T. Taylor is based at Trench (UK) Ltd, Hebburn, Tyne and Wear, UK.)

Sensor Review

ISSN: 0260-2288

Article publication date: 1 June 2001

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Abstract

An autonomous sensing system is described for deployment on high voltage power lines and to provide an economical method for monitoring current on such lines. The autonomy is provided by drawing power off the line being monitored via electromagnetic induction to drive the current measuring device and for the transmission of the current data to ground level via an optic fibre link, which provides inherent electrical insulation. When the autonomy of the system is threatened, the system automatically switches to be energised from a laser source at ground control via a second optical fibre link. Test results showing the performance of the system are presented.

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Donaldson, E.F., Calton, P.A., Gibson, J.R., Jones, G.R., Pilling, N.A. and Taylor, B.T. (2001), "Autonomous current sensing for high voltage systems with auxiliary optical energisation", Sensor Review, Vol. 21 No. 2, pp. 126-132. https://doi.org/10.1108/02602280110388324

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Autonomous current sensing for high voltage systems with auxiliary optical energisation

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