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“Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards

Electrofluidodynamic Group, P' Institute, CNRS, University of Poitiers, ENSMA, UPR 3346, 86962 Futuroscope Poitiers, France
Electricite de France (EDF), Site des Renardières LGEHT1, 77818 Morêt sur Loing, France
Author to whom correspondence should be addressed.
Sensors 2012, 12(11), 14315-14326;
Received: 18 September 2012 / Revised: 16 October 2012 / Accepted: 18 October 2012 / Published: 25 October 2012
(This article belongs to the Special Issue Transducer Systems)
PDF [943 KB, uploaded 21 June 2014]


At a solid/liquid interface, physico-chemical phenomena occur that lead to the separation of electrical charges, establishing a zone called electrical double layer. The convection of one part of these charges by the liquid flow is the cause of the flow electrification phenomenon which is suspected of being responsible of incidents in the industry. The P’ Institute of Poitiers University and CNRS has developed an original sensor called “capacitive sensor” that allows the characterization of the mechanisms involved in the generation, accumulation and transfer of charges. As an example, this sensor included in the design of high power transformers, could easily show the evolution of electrostatic charge generation developed during the operating time of the transformer and, therefore, point out the operations leading to electrostatic hazards and, then, monitor the transformer to prevent such risks. View Full-Text
Keywords: flow electrification; electrostatic hazard; power transformer flow electrification; electrostatic hazard; power transformer
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Paillat, T.; Touchard, G.; Bertrand, Y. “Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards. Sensors 2012, 12, 14315-14326.

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