Photonic voltage transducer with lightning impulse protection for distributed monitoring of MV networks

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Fusiek, Grzegorz and Niewczas, Pawel (2020) Photonic voltage transducer with lightning impulse protection for distributed monitoring of MV networks. Sensors, 20 (17). 4830. ISSN 1424-8220 (https://doi.org/10.3390/s20174830)

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Abstract

The design, construction and characterization of a photonic voltage transducer with a lightning impulse protection for distributed measurements on medium voltage (MV) networks (11 kV) was presented in this paper. The sensor prototype, comprising a combination of a piezoelectric transducer and a fibre Bragg grating (FBG) as a core optical sensing element, and a dedicated lightning protection device comprising a set of reactive components, was evaluated through laboratory testing and its performance was assessed based on the accuracy requirements specified by the relevant industry standards. It was demonstrated that the sensor has the potential to meet the accuracy requirements for the 3P protection and 0.2 metering classes specified by the IEC 60044-7. The device successfully underwent lightning impulse withstand tests, satisfying the safety requirements applicable to 11 kV networks as specified by the standard. The usage of an FBG as a photonic sensing component enables the multiplexing of multiple such sensors to provide the distributed measurement of voltage along a power network.

ORCID iDs

Fusiek, Grzegorz ORCID logoORCID: https://orcid.org/0000-0002-3361-7803 and Niewczas, Pawel ORCID logoORCID: https://orcid.org/0000-0003-3291-1725;
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