Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Session Overview
Date: Tuesday, 25/Jun/2019
8:00am - 5:30pmRegistration
Cloister Courtyard 
8:15am - 10:00amS3: Special Session on Synthetic and Natural Esters in TSO-DSO Transformer Applications
Session Chair: Massimo Pompili, University of Roma "La Sapienza", Italy
Session Chair: Kevin James Rapp, Cargill, United States of America
Cloister Room 
ID: 1355 / S3: 1

Assessment of Oxidative Stability and Physical Properties of High Oleic Natural Esters

Racha Seemamahannop1, Shubhen Kapila1, Kritin Bilyeu1, Vander Tumiatti2, Massimo Pompili3, Yingxin He1

1University of Missouri, United States of America; 2SEA MARCONI TECHNOLOGIES S.a.s.; 3University of Roma "La Sapienza"

ID: 1135 / S3: 2

Increasead Lodability of Transformers Immersed in Natural Esters

Fabio Scatiggio, Francesco Maria Pepe, Simone Sacco, Claudio Angelo Serafino


ID: 1318 / S3: 3

Experience of Synthetic Ester Filled Transformers in SP Energy Networks

ShengJi Tee, David Walker, Malcolm Bebbington

SP Energy Networks, United Kingdom

ID: 1334 / S3: 4

Natural ester liquid-filled transformers power the Olympic Games

Kevin James Rapp1, Revin Wang2, Alan Sbravati1, Roberto Ignacio3, Vander Tumiatti4, Massimo Pompili5

1Cargill, Plymouth, MN United States of America; 2Cargill China; 3Cargill Brazil; 4Sea Marconi, Turin, Italy; 5University of Roma-Sapienza

ID: 1307 / S3: 5

Investigation of the Total Flow Rates in Oil Natural Transformer Retrofilling Scenarios

Xiang Zhang1, Zhongdong Wang1, Qiang Liu1, Attila Gyore2, Kevin Rapp3

1The University of Manchester, United Kingdom; 2M&I Materials; 3Cargill Bioindustrial- Global Dielectric Fluids Technology

ID: 1358 / S3: 6

Fire simulation tests of mineral oil and natural esters transformers

Michele Mazzaro1, Domenico De Bartolomeo1, Luigi Calcara2, Massimo Pompili2, Fabio Scatiggio3, Andrea Valant3, Massimo Rebolini3, Elisabetta Bemporad4, Alessandro Ledda4, Flavio Mauri5, Mauro Salvadori5, Alfonso Sturchio5, Marco Falconi6, Antonella Vecchio6

1Italian Ministry of Home Affairs National Fire and Rescue Service Dept., Italy; 2University of Roma "La Sapienza", Italy; 3Terna Rete Italia, Italy; 4Italian National Institute for Insurance against Accidents at Work (INAIL), Italy; 5e-distribuzione, Italy; 6ISPRA Dept. for Geological Survey of Italy

10:00am - 10:30amCoffee Break
Cloister Courtyard 
10:30am - 12:30pmS4: Special Session on Synthetic and Natural Esters in TSO-DSO Transformer Applications
Session Chair: Russell Martin, M&I Materials, United Kingdom
Cloister Room 
ID: 1227 / S4: 1

Smoke Tests of Natural Esters and Mineral Oils under Transformer Fire Conditions

Riccardo Pedriali1, Giorgio Campi1, Fabio Scatiggio2, Alessandro Ledda3, Luigi Calcara4, Massimo Pompili4

1A&A Fratelli Parodi Spa, Italy; 2Terna Rete Italia, Italy; 3INAIL, Italy; 4Università di Roma "La Sapienza", Italy

ID: 1288 / S4: 2

Oxidation Stability of Insulating Liquids by Rapid Small Scale Oxidation Test

Ann Pamla Cruze1, K.S.Lokesh Kaggare2, R.R.Siva Prakash1

1Central Power Research Institute, Bengaluru,India; 2JSS Science and Technology University,Mysore,India

ID: 1234 / S4: 3

Kraft and diamond dotted paper thermally aged in mineral oil and natural ester: mechanical characterisation

Cristina Fernández-Diego, Isidro Carrascal, Alfredo Ortiz, Inmaculada Fernández, Fernando Delgado, Cristian Olmo

University of Cantabria, Spain

ID: 1233 / S4: 4

Preliminary Studies on Soluble and Colloidal Decomposition Products in Ester Filled Transformers

Mohan Rao Ungarala, Issouf Fofana, Luc Loiselle

ViAHT - UQAC, Canada

ID: 1248 / S4: 5

Influence of Pressure in Sealed Tube Ageing Test

Thomas Prevost1, Jinesh Malde2, Brad Greaves1, Russell Martin2

1Weidmann Electrical Technology Inc.; 2M&I Materials Inc

ID: 1253 / S4: 6

Fundamental study on the application of natural esters on intrument transformers

Fabrizio Negri

Trench Italia, Italy

ID: 1310 / S4: 7

Effect of Field Uniformity on Positive Streamer Characteristics of a Synthetic Ester under Lightning Impulse

Shuhang Shen, Qiang Liu, Zhongdong Wang

The University of Manchester, United Kingdom

12:30pm - 1:00pmConference Group Photo
1:00pm - 2:15pmLunch
Cloister Courtyard 
2:15pm - 4:00pmS5: Measurement, Monitoring and Diagnostic Techniques in High Voltage Equipments
Session Chair: Abderrahmane Beroual, University of Lyon, Ecole Centrale de Lyon, AMPERE Lab CNRS, France
Session Chair: Bruce Pahlavanpour, Nynas, United Kingdom
Cloister Room 
ID: 1364 / S5: 1

Stirring effect in dielectric liquids breakdown voltage determination

Martin Baur1, Jens Knauel1, Luigi Calcara2, Silvia Sangiovanni2, Massimo Pompili2, Francesco Muzi3

1BAUR GmbH, Austria; 2University of Roma "La Sapienza", Italy; 3University of L'Aquila, Italy

ID: 1296 / S5: 2

Investigation on Gassing Behavior of Various Insulation Liquids in Power Transformers

Kristin Homeier, Mohammad Taghi Imani, Moritz Kuhnke, Peter Werle, Tobias Kinkeldey

Leibniz Universität Hannover IfES Schering-Institute, Germany

ID: 1167 / S5: 3

Diagnosis of transformers based on vibration data

Amirhossein Tavakoli1,2, Letizia De Maria2, Daniele Bartalesi2, Baudillos Valecillos3, Ugo Piovan3, Simone Garatti1, Sergio Bittanti1

1Politecnico di Milano, Italy; 2RSE, Italy; 3Trafoexpert,Switzerland

ID: 1214 / S5: 4

Partial Discharge Defect Recognition in Power Transformer using Random Forest

Ismail Hartanto Kartojo1,2,3, Yan-Bo Wang2, Guan-Jun Zhang2, Suwarno Suwarno3

1PLN, Indonesia; 2State Key Laboratory, Xi’an Jiaotong University, China; 3Bandung Institute of Technology, Indonesia

ID: 1365 / S5: 5

FT IR and X-Ray Photoelectron Spectral(XPS) Evidence for interaction between Natural Ester and Cellulose paper

Srinivasa narasimhan Chakravarthula, Sohan Beldar, Girish Morde, Rohit Dolasiya


ID: 1155 / S5: 6

High frequency permittivity measurements of dielectric liquids with a new technique of coplanar waveguides

Mohamed Amine Ben aissa1, Amine Mokraoui1, Hocine Moulai1, Abderrahmane Beroual2

1USTHB, University of Science and Technology Houari Boumediene, Algeria; 2University of Lyon, Ecole Centrale de Lyon, Ampere Laboratory CNRS UMR 505

4:00pm - 4:30pmCoffee Break
Cloister Courtyard 
4:30pm - 6:00pmS6: Partial Discharges
Session Chair: Maks Babuder, Elektroinštitut Milan Vidmar, Slovenia
Session Chair: Nelly Bonifaci, G2E.lab, France
Cloister Room 
ID: 1110 / S6: 1

Prebreakdown and Breakdown in Liquid Nitrogen under Pulsed Heating for Superconducting Applications

Raphaël Chassagnoux1,2, Olivier Lesaint2, Nelly Bonifaci2, Olivier Gallot-Lavallée2, Pierre Legendre1, Christophe Creusot1, Alain Girodet1

1SuperGrid Institute, 23 rue Cyprian, 69628 Villeurbanne, France; 2Univ. Grenoble Alpes, CNRS, Grenoble INP, G2Elab, 38000, Grenoble, France

ID: 1228 / S6: 2

Partial Discharge Measurements on Dibenzyltoluene for High Temperature Encapsulant Application up to 350°C

Joko Muslim1,2, Rachelle Hanna1, Olivier Lesaint1, Ngapuli Irmea Sinisuka3

1Université Grenoble Alpes, CNRS, Grenoble INP, G2Elab, France; 2PLN Indonesia, Indonesia; 3Institut Teknologi Bandung (ITB), Indonesia

ID: 1127 / S6: 3

Partial Discharge Characteristics caused by Metallic Particles under DC voltage on Oil Immersed Insulation

Yoshitaka Miyaji, Soichiro Kainaga, Manabu Yoshimura, Hirotaka Muto, Kenichi Suga

Mitsubishi Electric Corp., Japan

ID: 1160 / S6: 4

Comparison of Dissolved Gases in Natural Ester under Partial Discharges

Korraya Jongvilaikasem, Sakda Maneerot, Kittipod Jariyanurat, Norasage Pattanadech

King Mongkut’s Institute of Technology Ladkrabang, Thailand

ID: 1229 / S6: 5

Streamer Generation and Propagation in Dibenzyltoluene and Ester Liquids under High Temperature

Joko Muslim1,2, Olivier Lesaint1, Rachelle Hanna1, Ngapuli Irmea Sinisuka3

1Université Grenoble Alpes, CNRS, Grenoble INP, G2Elab, France; 2PLN Indonesia, Indonesia; 3Institut Teknologi Bandung (ITB), Indonesia

7:45pmConference Banquet
Cloister Courtyard 

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