An Optical Voltage Sensor Based on Piezoelectric Thin Film for Grid Applications

Continuous monitoring of voltages ranging from tens to hundreds of kV over environmental conditions, such as temperature, is of great interest in power grid applications. This is typically done via instrument transformers. These transformers, although accurate and robust to environmental conditions,...

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Published in:arXiv.org 2021-07
Main Authors: Edmunds, Jordan L, Sonmezoglu, Soner, Martens, Julien, Alexandra Von Meier, Maharbiz, Michel M
Format: Article
Language:English
Subjects:
Aluminum
Distributed generation
Electric potential
Electric power grids
Instrument transformers
Monitoring
Piezoelectricity
Sensors
Thin films
Voltage
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Sonmezoglu, Soner
Martens, Julien
Alexandra Von Meier
Maharbiz, Michel M
description Continuous monitoring of voltages ranging from tens to hundreds of kV over environmental conditions, such as temperature, is of great interest in power grid applications. This is typically done via instrument transformers. These transformers, although accurate and robust to environmental conditions, are bulky and expensive, limiting their use in microgrids and distributed sensing applications. Here, we present a millimeter-sized optical voltage sensor based on piezoelectric aluminum nitride (AlN) thin film for continuous measurements of AC voltages
doi_str_mv 10.48550/arxiv.2108.05942
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subjects Aluminum
Distributed generation
Electric potential
Electric power grids
Instrument transformers
Monitoring
Piezoelectricity
Sensors
Thin films
Voltage
title An Optical Voltage Sensor Based on Piezoelectric Thin Film for Grid Applications
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