P. Notingher

Universitatea Națională de Știință și Tehnologie Politehnica București

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J. Castellon

Institut d'Électronique et des Systèmes

S. Agnel

Institut d'Électronique et des Systèmes

A. Toureille

Université de Montpellier

S. Agnel

Institut d'Électronique et des Systèmes

Laurenţiu Marius Dumitran

Universitatea Națională de Știință și Tehnologie Politehnica București

Cristina Stancu

Universitatea Națională de Știință și Tehnologie Politehnica București

L. Boyer

Supergrid Institute

Gabriel Tanasescu

Simulation Technologies (United States)

Jean-Charles Laurentie

Institut d'Électronique et des Systèmes

Thierry Martiré

Université de Montpellier

Cooperative Institutions

Centre National de la Recherche Scientifique

119

Université de Montpellier

Institut d'Électronique et des Systèmes

Universitatea Națională de Știință și Tehnologie Politehnica București

Université de Poitiers

École Nationale Supérieure de Mécanique et d'Aérotechnique

Institut Pprime

Université Grenoble Alpes

University of Bucharest

Nexans (France)

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CONCERNING THE SPACE CHARGE ACCUMULATION IN DC POWER CABLE JOINTS INSULATION

Materials, methods & technologies (2016)

Cristina Stancu P. Notingher Lucian Taranu

After an analysis of the structure and properties of the DC joints insulation components, the generation mechanisms and the measurements methods of the space charge in DC multilayer joints are presented. Then, the equations used to calculate the charge accumulated at the homogeneous interfaces of the joints and the electric field are given. To calculate the space charge density and the electric field, experiments on flat samples (XLPE and reductionEPDM) are performed and their dielectric properties are measured. Finally, it is shown that the charge accumulation leads to local enhancements of the electric field and to degradation and lifetime reduction of joints.

Charge density

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INSULATION RESISTANCE – MONITORING PARAMETER OF POWER TRANSFORMERS INSULATIONS

Materials, methods & technologies (2018)

P. Notingher Laurenţiu Marius Dumitran Cristina Stancu

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High resolution space charge measurement on HVDC cable insulation systems

Shuo Zhao Jean-Charles Laurentie P. Notingher J. Castellon A. Combessis

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Dielectric spectroscopy response and mechanical properties of XLPE mini-cable aged under thermal stresses

HAL (Le Centre pour la Communication Scientifique Directe) (2019)

Q. Pelzer Lara Perrin P. Notingher Xavier Colin Mouna Ben Hassine

Dielectric response

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Assessment of the power transformer insulation system condition by absorption - resorption currents method

IET Conference Publications (2009)

Gabriel Tanasescu P. Notingher Laurenţiu Marius Dumitran Ion Rusu Gheorghe Batir

DOI: 10.1049/cp.2009.0802 ISBN: 978 1 84919 126 5 Location: Prague, Czech Republic Conference date: 8-11 June 2009 Format: PDF This paper presents some results obtained in RDN (Romanian distribution network) to define the condition of 6 power transformers by absorption - resorption currents method (ABSC). Based on the absorption - resorption currents measurements, a data base on the characteristics of transformers insulation systems has been realized. The condition assessment of oil-paper insulation systems was defined by processing these data (time and frequency domain) and determining the insulation resistance, moisture content, polarisation index, oil and paper conductivities, capacitance, power factor, ageing degree, the residual life cycle, etc. Some of the results obtained by ABSC Method were compared to the values obtained by direct transformer measurement. (4 pages) Inspec keywords: electric current measurement; power transformer insulation; power engineering computing; distribution networks; database management systems Subjects: Insulation and insulating coatings; Power engineering computing; Distribution networks; Database management systems (DBMS); Transformers and reactors; Current measurement

Insulation system

10.1049/cp.2009.0802

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Electrostatics [Editorial]

IEEE Transactions on Dielectrics and Electrical Insulation (2013)

Jean-Michel Reboul P. Notingher

The 8th Conference of the French Society of Electrostatics was held in Cherbourg from the 3rd to the 5th July 2012 and was organized by the Laboratoire Universitaire des Sciences Appliquées de Cherbourg (LUSAC), a research laboratory of the Université de Caen Basse-Normandie. The French Society of Electrostatics (S.F.E.) was founded by Professor Gérard Touchard in 1998. Under his leadership, this friendly society holds every two years its scientific conference supported by a community of French, North African, East European, Japanese and North American researchers. The scientific program of the 8th Conference consisted of 2 invited lectures, 35 papers presented in oral sessions, and 38 papers in posters distributed over 7 topics. The topics were measurements and characterisations of dielectric solids, characterisations of components, electric discharge and corona effects, electrostatic phenomena in industrial processes, transport and ageing, electrostatic liquids, electrostatic in life science medium. The conference attracted 67 attendees from 11 countries. The attendees were invited to the gala dinner in the Cité de la Mer and to visit the French nuclear powered submarine "Le Retoutable", the largest submarine open to the public.

Electrostatics

10.1109/tdei.2013.6633672

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Review of space charge measurements in high voltage DC extruded cables by the thermal step method

IEEE Electrical Insulation Magazine (2017)

J. Castellon S. Agnel P. Notingher

More than ever, controlling the amount of space charge that accumulates in high voltage DC (HVDC) extruded cables under electrical stress and a thermal gradient is a major challenge to ensure a good level of reliability of the cable and therefore a good availability of energy [1]. It is now clear that, although studies on space charge are absolutely necessary to understand the charge accumulation and relaxation phenomena, direct measurements on power cables are required to analyze and anticipate the local electric field. Thus, measurement of the electric field due to the presence of space charge within the insulation is essential for an optimal design of power cables [2]. In this article, after detailing the principle of the TSM applied to a power cable, some examples of research performed on power cable specimens in an academic research laboratory are given. In addition, technology transfer to industry, and recent measurements of space charge and electric field distribution in a HVDC extruded cable insulation, in an industry laboratory, are presented.

Power cable

High Voltage

High-voltage cable

10.1109/mei.2017.7956631

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Citations (18)

Development and digital twin of an experimental opto-electrothermal bench in the perspective of thin films thermal characterization

International Journal of Thermal Sciences (2022)

Sébastien Peillon P. Notingher Christophe Rodiet

Test bench

Pyrometer

Characterization