Dynamic capabilities of hybrid fiber-optic voltage and current sensors

Niewczas, P. and Fusiek, G. and McDonald, J.R. (2006) Dynamic capabilities of hybrid fiber-optic voltage and current sensors. In: 5th IEEE Sensors Conference, 2006-10-22 - 2006-10-25. (https://doi.org/10.1109/ICSENS.2007.355464)

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Abstract

This paper reports on the theoretical and experimental investigations concerning the dynamic capabilities of the hybrid fiber-optic voltage and current sensors intended for the monitoring of remotely operated electrical submersible plant utilized within the oil and gas industry. The voltage sensor comprises a multilayer piezoelectric stack acting as a voltage-to-strain transducer and a fiber Bragg grating (FBG) used to measure voltage induced strain changes within the stack In order to measure current; the same sensor type is used to monitor a specially designed ferrite-core current transformer. It is demonstrated, for the first time, that these types of transducers are capable of measuring higher order voltage and current harmonics - the capability that is invaluable for plant diagnostic and control purposes. The respective sensors are excited using 50-Hz voltage and current square-waves to provide a wide range of harmonic content. It is demonstrated that the sensors are capable of measuring up to the 100,h harmonic (5 kHz), limited only by the experimental set-up.

ORCID iDs

Niewczas, P. ORCID logoORCID: https://orcid.org/0000-0003-3291-1725, Fusiek, G. ORCID logoORCID: https://orcid.org/0000-0002-3361-7803 and McDonald, J.R. ORCID logoORCID: https://orcid.org/0000-0002-7078-845X;
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