2012 Annual Report Conference

on Electrical Insulation and

Dielectric Phenomena

(CEIDP 2012)

Montreal, Quebec, Canada

14 - 17 October 2012

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IEEE Catalog Number: CFP12CID-PRT

ISBN: 978-1-4673-1253-0

Table of Contents

Monday, October 15

Whitehead Lecture

Charge dynamics in polymeric materials and its relation to electrical ageing 1

Christian Laurent

Nanodielectrics

Polyethylene Nanodielectrics: The Effect of Nanosilica and its Surface Treatment on 21

Electrical Breakdown Strength

Kwan Yiew Lau, Alun Vaughan, George Chen, Ian Hosier

A Comparison of Molecular and Nanodielectrics for HV Insulation Application 25

Clive Reed

Electrical Properties of Poly(Vinylidene Fluoride - Hexafluoropropylene) Blended with 28

Carbon Nanotubes

Axel Mellinger, Avtar Batth, Anja Mueller, Leela Rakesh

Fabrication Technique of Permittivity Graded Materials (FGM) for Disk-Type Solid 32

Insulator

Naoki Hayakawa, Junki Shimomura, Tatsuyuki Nakano, Masahiro Hanai, Katsumi Kato, Hitoshi Okubo

Polarization phenomena

Simulation of ferroelectric properties of barium titanate 36

Andreas Leschhorn, Herbert Kliem

Nanodielectrics

Nonlinear Conductivity and Dielectric Response of Graphene Oxide Filled Silicone 40

Rubber Nanocomposites

Zepu Wang, J Keith Nelson, Henrik Hillborg, Su Zhao, Linda Schadler

Partial discharge measurements

Comparison Of PWM and SIN Aging Of Insulating Material Subjected To Surface 44

Discharges

Marek Florkowski, Barbara Florkowska, Andrzej Rybak, Pawel Zydron

Characterisation of PD Occurring in Injected Air Bubbles in Block Polymeric Insulation 48

Dipasree Adhikari, Donald Hepburn, Brian Stewart

Variation of surface charge distribution in PD sequences 52

Kai Wu, Cheng Pan, Yongpeng Meng, Yonghong Cheng, Guodong Meng

Partial Discharge Propagation Inside a High Voltage Transformer Winding: Comparison 56

of Measurement and Simulation Results

Muhamad Safwan Abd Rahman, Paul Lewin, Paolo Rapisarda

The propagation characteristics of UHF partial discharge in power transformers with 60

complex winding structure

Xu Zhao, Yonghong Cheng, Yongpeng Meng, Kai Wu, Yuhan Niu

The Study of Partial Discharge Characteristics of Mineral Oil Using Needle - Plane and 64

Needle - Sphere Electrode Configuration Base on Partial Discharge Pulse Current

Measurement

Norasage Pattanadech, Fari Pratomosiwi, Bettina Wieser, Martin Baur, Michael Muhr

Partial Discharge Measurements of Streamers in Liquid Nitrogen under AC voltages 68

using UHF sensor

Linh Truong, Paul Lewin, Martin Judd

Off-line and On-line Detection of PD in Inverter-Fed Random-Wound Motor Considering 72

IEC Technical Specifications

Satoshi Hiroshima, Tatsuya Hirose, Masahiro Sakai, Hiroshi Hatano, Tetsuo Yoshimitsu, Takayuki

Sakurai, Tomomi Ikegami

Simulation of partial discharge within a void under square wave applied voltage 76

Hazlee IIIias, Ab Halim Abu Bakar, Hazlie Mokhlis, Mohsin Ali Tunio, George Chen, Paul Lewin, Azrul

Ariffin

Diagnostic Testing of Thermally Aged Medium Voltage XLPE Cable Joints

Frank Mauseth, Hans Lavoll Halvorson, Sverre Hvidsten

Partial Discharge Detection and Localization inside Power Transformer

Sally Daif, Magdy Salama, Ray Bartnikas, Ayman El Hag

Comparison of Phase Resolved Partial Discharge Patterns in Small Test Samples,

Bushing Specimen and Aged Transformer Bushing

Respicius Clemence Kiiza, Mohamad Ghaffarian Niasar, Roya Nikjoo, Xiaolei Wang, Hans Edin,

Zeeshan Ahmed

Partial Discharge Analysis in a Needle-plane gap with Repetitive Step Voltage 92

Xiaolei Wang, Hans Edin, Respicius Clemence, Mohamad Ghaffarian Niasar

Effect of Temperature on Surface Discharge in Oil 96

Mohamad Ghaffarian Niasar, Respicius Clemence, Hans Edin, Xiaolei Wang, Roya Nikjoo

Influence of Chemical Composition on Partial Discharge Characteristics in Hexadecane 100

Dominique Bolliger, Steven Boggs

Data management for parallel partial discharge monitoring of large GIS fields 104

Detlev W. Gross, Markus Soeller

80

84

88

Piezoelectret sensors detect geometry-related modifications of the acoustical 108

signatures from partial discharges in an electrical equipment chamber

Ruy Alberto Pisani Altafim, Yvan Gutnik, Paulo Roberto Veronese, ]ose Francisco Resende, Heitor

Cury Basso, Reimund Gerhard

Partial Discharge Propagation in Cable with Semiconductor Layer 112

Abbas Babaee, Seyyed Mohammad Shahrtash

Cable Insulation Assessment by a Fuzzy-based Algorithm 118

Abbas Babaee

Time-Resolved Measurements of X- ray Induced Partial Discharges 125

Sedat Adili, Lorenz G. Herrmann, Christian M. Franck

The influence of square voltage rise time on partial discharge spectra 129

Andrea Cavallini, Peng Wang, Gian Carlo Montanari

Effect of High Voltage Impulses on Partial Discharge Activity in a Cavity Embedded in 133

Paper Insulation

Respicius Clemence Kiiza, Roya Nikjoo, Mohamad Ghaffarian Niasar, Xiaolei Wang, Hans Edin

Partial Discharge De-noising Employing Improved Singular Value Decomposition 137

mohsen bakhshi

Condition Assessment of Extruded Underground Residential Distribution Cables after 141

Four Decades of Service

Yingli Wen, George Murray, Charles Deierlein, Benjamin Lanz, Dave Modos

Development of Repetitive Voltage Impulse Generator and Automatic Repetitive PD 145

Inception Voltage Measurement System for Testing Inverter-fed Motor Insulation

Masayuki Hikita

High-field effects

An Experimental Study on Plasma Characteristics of a Capillary Atmospheric Pressure 149

Plasma Device Using Argon/Air Mixture Gas Stream

Toshiya Nakajo, Ryu-ichiro Ohyama

Breakdown Characteristics of Spark Discharge on Water Surface (SDWS) with an Air 153

Gap

Nur Shahida Midi, M.K. Amzar Muhamad, Ryu-ichiro Ohyama

High field dielectric properties of non-polar polymeric films. 157

Shunya Watanabe, Kazuyuki Tohyama

Electroluminescence and Dissipation Current due to Impulse Superimposed on ac 161

Voltage in LDPE

Yutaro Watanabe, Kazuyuki Tohyama

Stress Dependent Conductivity of Field Grading Materials under Time Varying Electrical 165

Fields

Manoj Pradhan, Goran Eriksson, Helena Greijer, Mikael Unge

Migration of Electrode Material during Food Processing by High-Field Pulses 170

Ahmed Gad, Shesha Jayaram

Three Dimensional Electric Field Analysis in Spacer Cable Systems 174

Isaias Ramirez, Fermin Espino

High field effects on the Dielectric Response of Polycarbonate. Study of Relaxation 178

Time Distribution Functions.

Hugues Couderc, Michel Frechette, Eric David, Sylvio Savoie

Effects of Second Particles on Nonlinear Resistance Properties of Microvaristor Filled 183

Composites

Hidehito Matsuzaki, Toshiyuki Nakano, Hideyasu Ando

Effect of Electric Field Application during Curing Process on Thermal Conductivity of 187

Epoxy Composite Materials with Low Content Inorganic Particles

Satoshi Kinoshita, Masahiro Kozako, Masayuki Hikita, Toshikatsu Tanaka

Measurement techniques

Temperature measurement of low-current discharges based on N2 (2+) molecular 191

emission spectra

An Xiao, Simon Rowland, Christopher Whitehead, Xin Tu

A New Graphical Technique for the Interpretation of Dissolved Gas Analysis in Power 195

Transformers

Diaa-Eldin A. Mansour

The Potential Distribution Measurement on the Stress Grading System of High-Voltage 199

Rotating Machines by Using Pockels Effect

Kento Kiuchi, Shigeyasu Matsuoka, Akiko Kumada, Hisatoshi Ikeda, Kunihiko Hidaka, Yuichi Tsuboi,

Kodai Ushiwata, Yoshihiro Ishikawa, Shinichiro Yamada, Tetsuo Yoshimitsu

Terahertz Spectroscopy as a Novel Method for Diagnosing the Integrity of Polymer 203

Insulated Cables

Yoshimichi Ohki, Marina Komatsu, Maya Mizuno, Kaori Fukunaga

Impulse and step voltage measurements on materials with non-linear V-I 207

characteristic

Bjorn Sonerud

Study of Electrode for Measuring Dielectric Properties of Oil Immersed Material 211

Fari Pratomosiwi, Norasage Pattanadech

Determination of the pyroelectric coefficient within pyroelectric materials by using 215

space charge measurements

Laurent Banet, Jerome Castellon, Giuiio Malucelli, christele carelle Vanga, Michel Frechette, Alain

Toureille, Serge Agnel

On the Impacts of Ageing and Moisture on Dielectric Response of Oil Impregnated 219

Paper Insulation Systems

Betie Amidou, Fethi Meghnefi, Issouf Fofana, Zie Yeo

Dry-out Properties of Insulating Paper in Distribution Transformers 223

Kau Ho, William Ernst, Aleksandr Levin

Fault Location and Identification on Transmission Lines Based on a Novel Travelling 226

Wave Calculation Method

Liu Jianyin, Zheng Zhong

Frequency Response Analyses via Rational Function Fitting 230

Roda Mohamed Youssouf, Fethi Meghnefi, Issouf Fofana

Challenges in probing space charge at sub-micrometer scale 234

Gilbert Teyssedre, Christina Villeneuve, Laurent Boudou, Patrick Pons, Kremena Makasheva, Bernard

Despax

Towards a Smart Replacement Strategy of Power Cables Based on the Depolarization 238

Principle

Mahmoud Abou-Dakka

Three-Dimensional Thermal-Pulse Probing of Polarization Profiles with Low Thermal 243

Stress

Axel Mellinger, Saurav Aryal, Daniel C. Simon

Influence of density on the out-of-plane mechanical properties of pressboard 247

Orlando Girlanda, Kun Wei, Torbjorn Brattberg, Lars Schmidt

Limitations of Kramers-Kronig transform for calculation of the DC conductance 251

magnitude from dielectric measurements

Nikola Chalashkanov, Stephen Dodd, John Fothergill

Bio-dielectrics

Dependency of Growth of Arabidopsis thaliana on Intensity of D.C. Electric Field 255

Takamasa Okumura, Yuji Muramoto, Noriyuki Shimizu

Effect of temperature on survival rate in high electric field pulse sterilization 259

Yuichi Murakami, Noriyuki Shimizu, Yuji Muramoto

ELECTRICAL FIELD ANALYSIS OF PENTAGONAL NEEDLE ARRAY ELECTRODE FOR 263

ELECTROCHEMOTHERAPY APPLICATIONS

Kavitha Sankaranarayanan, Sadasivam P, Arun Kuppan, Mohamed I. Neamathulla, Samu Safwan PSS,

Vishveswaran Jothi, Rajaprabu Ramachandran, Raji Sundararajan

ELECTRIC FIELD DISTRIBUTION OF MALIGNANT BREAST TISSUE UNDER NEEDLE 267

ELECTRODE CONFIGURATION

Raji Sundararajan, Gowri Sree Varadarajan, Velvizhi Kumaran

Nanodielectrics

Layer-by-Layer assemblies on Polycarbonate: a dielectric study 271

Giulio Malucelli, Federico Carosio, Giovanni Camino, Jerome Castellon, Laurent Banet, Serge Agnel

Dielectric Response of Polyethylene Nanocomposites: The Effect of Surface Treatment 275

and Water Absorption

Kwan Yiew Lau, Alun Vaughan, George Chen, Ian Hosier

Dielectric Properties and PD Resistance of Epoxy/Fumed and Precipitated Silica and 279

Alumina Nanocomposites

Toshikatsu Tanaka, Tomonori Iizuka, Christian Meichsner, Peter Groeppel, Dieter Heinl, Juergen

Weidner

Preparation and Characteristic Evaluation of Hydrophobic Epoxy-based 283

Nanocomposites

Kenichi Yamazaki, Takahiro Imai, Tamon Ozaki, Hiroaki Cho, Hiroki Sekiya, Miwa Takeuchi, Motofumi

Tanaka, Masahiro Asayama, Toshiki Osako

On the Stoichiometry with Space Charge and Breakdown Behaviour of an Epoxy Based 287

System with Nano-Sized And Micro-Sized Fillers

Van Nguyen, A. S. Vaughan, P. L. Lewin, A. Krivda

Frequency Domain Evaluation of epoxy resin with Alumina Nano Fillers 291

Poovamma P.K, Afzal Ahmed T.R

Effect of Titania Nanoparticles on the Dielectric Properties of Transformer Oil-Based 295

Nanofluids

Diaa-Eldin A. Mansour, Eman G. Atiya, Reham M. Khattab, Ahmed M. Azmy

Study on suppression mechanism of space charge accumulation in nano-doped LDPE 299

Kai Wu, Zepeng Lv, Xia Wang, Demin Tu, Leonard A. Dissado

Gamma-irradiation effect on electrical properties of Si02 gate dielectric of MOS 303

structure

Yonghong Cheng, Man Ding, Yajie Wang, Xinglong Wu, Kai Wu

Dielectric Permittivity Characteristic of Mesoporous-Alumina/Epoxy Composite 307

Muneaki Kurimoto, Tomohiro Kawashima, Hidenori Suzuki, Yoshinobu Murakami, Masayuki Nagao

Simultaneous Measurement of Space Charge and Conduction Current on LDPE/MgO 311

Nanocomposite

Masayuki Nagao, Noriyuki Takamura, Muneaki Kurimoto, Yoshinobu Murakami, Yoshiyuki Inoue,

Yoshinao Murata

Hybrd nanostructured coating of XLPE insulation: effect on partial discharge activity 315

Davide Fabiani, Andrea Cavallini, Gian Carlo Montanari, Andrea Saccani, Maurizio Toselli, Francesco

Pilati

A study of how varying degrees of functionalised nanofiller have an effect on 319

nanodielectrics

Celia Yeung, Alun Vaughan

Dielectric breakdown strength of alumina filled poly (ethylene-co-butyl acrylate) 323

nanocomposites

Nadja Jaeverberg, Venkatesulu Bandapalle, Hans Edin

Process Influence on the Moisture Absorption in a Polymer Nanocomposite 327

Francois Saysouk, Sombel Diaham, Marie-Laure Locatelli, Benoit Schlegel, Vincent Salles, Zarel

Valdez-Nava, Masahiro Kozako, Terry Lebey, Emmanuel Flahaut

Pre-breakdown and breakdown in solids, liquids, gases, and vacuum

Impact of the Hollow Microspheres' Filling Degree on the Electrical DC Breakdown 331

Field Strength of Syntactic Foam

Anja Strauchs, Armin Schnettler

Fractal analysis of creeping discharge propagating over solid insulators immersed in 335

gases at different pressures

Abderrahmane Beroual, Mamadou Lamine Coulibaly

Experimental Study on Electrical Breakdown of Micro-Electro-Mechanical Systems with 339

Micro-gaps

Yonghong Cheng, Guodong Meng, Xiaoguang You, Liang Chen, Kai Wu, Cheng Pan

PARTICLE-INITIATED NEGATIVE CORONA IN CO-AXIAL CYLINDRICAL CONFIGURATION 343

Mohamed Badawi, Mahmoud El Bahy, Sayed Ward, Reda Morsi

Determination of waiting times between successive breakdown experiments 349

Myriam Koch, Ueli Straumann, Christian M. Franck

Multi-Particle Initiated Breakdown of Gas Mixtures Inside Compressed Gas Devices 353

Amr Ameen, Sayed Ward, Mousa Abd Allah

Measurements and Simulations of Corona Currents for Triangular Voltages in Large 357

Scale Coaxial Geometry

Olof Hjortstam, Joachim Schiessling, Uno Gafvert, Markus Saltzer, Yuriy V. Serdyuk

Influence of DC Prestress on Impulse Breakdown Strength of Insulating Paper-liquid 361

Nitrogen Composite System

Tomohiro Kawashima, Muneaki Kurimoto, Yoshinobu Murakami, Masayuki Nagao, Yoshihiro Inagaki,Yuichi Ashibe, Hirofumi Hirota

A Study on Positive Streamer Channels in Marcol Oil 365

Dung Van Nguyen, Hans Kristian H0idalen, Dag Linhjell, Lars E Lundgaard, Mikael Unge

Aging and Failures of Transformers and Shunt Reactors 371

Pavel Trnka, Jan Doncuk, Josef Pihera

The Effect of Frequency on the Breakdown of XLPE Cable Insulation with Artificial 375

Defects

Jianying Li, Weiwei Li *

Electrical strength of rod-discontinuous plane air gap under lightning impulse applied 379

voltage using a distributed capacity probe.

Allaoua Rahmani

Numerical Simulations of Bridging Phenomena in Contaminated Transformer Oil

Shekhar Mahmud, Igor Golosnoy, George Chen, Gordon Wilson, Paul Jarman

383

A deeper insight into impulse levels selection for long DC extruded cable lines 387

Giovanni Mazzanti, Massimo Marzinotto, Carlo Mazzetti

Some Hints at the Combined Effects of Load Cycles and Electrothermal Stress on HVDC 391

Extruded Cable Reliability in the Long Term Prequalification Test

Giovanni Mazzanti, Massimo Marzinotto

STUDY OF COPPER CORROSION IN TRANSFORMERS DUE TO SULPHUR IN OIL USING 395

CHEMICAL METHODS

Sundara Rajan J

Investigation of long term stability under ac voltage stress of syntactic foam 399

Christoph Roggendorf, Armin Schnettler

Breakdown Characteristics of Typical Model in Transformer Oil under AC and DC mixed 403

Voltage

Guan Lan, Li Bo, Cheng Huanchao, Li Guangfan, Li Jinzhong

Corona resistance and dielectric strength of recycled PET based composites 407

Eric David, Fouzia Mebarki, Patrick Lachance

Pre-Breakdown Current Discrimination Diagnose Technique for Transformer Mineral 412

Oil

Hocine Moulai, Farida Aberkane, Fahem Benyahia, Azzeddine Nacer, Abderrahmane Beroual

Research on the discharge characteristics of different types and micro-structures in 416

the PEF treatment chamber

Liang Dapeng, Zhang Ruobing

Application of Multi-Level Spark Gaps in Resonant-Type Fault Current Limiter 420

Chao Zhang, Jianchao Zheng, Zhigang Hou, Lingdong Xie

The role of HVDC voltage waveforms on partial discharge activity in paper/oil 424

insulation

Andrea Cavallini, Gian Carlo Montanari, Tianyan Jjiang, Jian Li

Dielectric and environmental performances of the electrical insulation of low voltage 428

rotating machines varnished with different techniques

Dominique Mary, David Malec, Manh Quan Nguyen, Damien Prunel, Julie Orgelet

A Detailed Model for Atmospheric Pressure Oxygen Dielectric Barrier Discharges 432

Mona Ghassemi

Cryogenic dielectrics

DC Surface Flashover Characteristics of Polyimide under Low Temperature and Low 436

Pressure

Rong Tan, Youping Tu, Guifeng Zhang, Fan Li, Wei Wang

Pressure and Temperature Dependence of Breakdown Characteristics of Sub-Cooled 440

Liquid Nitrogen

Seiichiro Nishimachi

Electro-hydrodynamics

Temperature prediction on power transformers and the guide on load dispatch 444

Zhong Zheng

High frequency dielectric phenomena

Measurement of complex permittivity of insulating materials for THz 448

telecommunication modules

Kaori Fukunaga, Maya Mizuno, Toshihide Tosaka, Katsumi Fujii

A Variable Frequency Model of a Transformer Bushing with Localised Moisture Content 451

David Smith, Scott McMeekin, Brian Stewart, Peter Wallace

Comparison of Terahertz and Infrared Spectroscopy for Degraded Hydrocarbon Liquid 455

Ryuichi Ogura, Zulkarnain Bin Ahmad Noorden, Nhat Nam Nguyen, Satoshi Matsumoto

Electro-Thermal Modeling of MV Cable Termination using Finite Elements Technique 459

Ayman El-Hag

Impact of Poor Power Quality on Stress Grading System of Cable Termination 463

Utkarsh Patel, Shesha H. Jayaram

Dielectric and conductivity investigations of Rutile Titanium dioxide single crystals 467

Matoussi Adel

Investigation on Broadband Characteristics of Losses in Power Transformer Interturn 471

Insulation Paper by Dielectric Relaxation Model

Yiming Zheng, Zanji Wang

A study on a dry-type model transformer under distorted voltage waveforms 475

Mahdi Khanali, Shesha Jayaram

Electron Beam Induced Luminescence of Si02 Optical Coatings 479

JR Denisson

Tuesday, October 16

Partial discharge measurements

Characteristics of Leakage Current during Surface Discharge at the Oil-pressboard 483

Interface

Hidayat Zainuddin, Paul Lewin, Mark Mitchinson

The role of supply frequency in the evaluation of partial discharge inception voltage in 487

XLPE-embedded cavities

Andrea Cavallini, Larisa Elena Mariut, Victor Krotov, Gian Carlo Montanari, Peter Morshuis

Charge storage and transport

Adaptation of the LIMM technique data treatment to perform measurements in 491

vacuum

Virginie Griseri, Sihem Bouchareb, Laurent Berquez

Measurements of ion mobility in transformer oil - Evaluation in terms of ion-drift 495

Olof Hjortstam, Joachim Schiessling, Yuriy V. Serdyuk, Stanislaw M. Gubanski

Measurement techniques

Portable installation for space charge measurements on full-size high voltage cable 499

loops based on a multicell power converter

Petru Notingher, Abdallah Darkawi, Thierry Martire, Jean-Jacques Huselstein, Francois Forest

Dielectric Response Measurement of Power Transformer Bushing by utilizing High 503

Voltage Transients

Roya Sadat Nikjoo, Hans Edin, Nathaniel Taylor, Mohamad Ghaffarian Niasar

Nanodielectrics

On the Nanoparticle Interphase 507

Connor Daily, Michael Kessler, Xiaoli Tan, Nicola Bowler

Dielectric and Thermal Properties of Boron Nitride and Silica Epoxy Composites 511

Hugues Couderc, Ioana Preda, Michel Frechette, Martin Reading, Sylvio Savoie, Alun Vaughan,Jerome Castellon

Influence of Nano-particles on carbonized track produced by Partial Discharges on the 517

surface of oil-impregnated Pressboard

Chen Yilong

Characteristics on Breakdown Performance of Polyethylene/Silica Dioxide 521

Nanocomposites

Shengtao Li, Weiwang Wang

Electronic structure of polyethylene - Crystalline and amorphous phases of pure 525

polyethylene and their interfaces

Mikael Unge, Thomas Christen, Christer Tornkvist

Dielectric Response of Modified Epoxy/Clay Nanocomposites 531

Ioana Preda, Hugues Couderc, Michel Frechette, Sylvio Savoie, Fengge Gao, Rinat Nigmatullin, Simon

Thompson, Jerome Castellon

Dielectric Behavior of a LD-Polyethylene/Nanosilica assembly 535

Michel Frechette

Polymer composites containing large content of nanofiller : A case study involving 541

epoxy

Michel Frechette

Fundamental Investigation of Dielectric Phenomena in Epoxy Composites during

Curing Process under a Uniform Electric Field

Masahiro Kozako, Zarel Valdez-Nava, Sombel Diaham, Sorin Dinculescu, Thierry Lebey

Dielectric relaxation phenomena of UV-cured epoxy systems treated with Layer-

by-Layer nanosilica assemblies

Christele Vanga Bouanga

Nano particle reinforcement of HTV Silicone rubber for high voltage insulators

Isaias Ramirez

Electrical Aging Tests on Conventional and Nanocomposite Enamelled Wires Varyingboth the Relative Humidity and the Applied Voltage Amplitude

Francesco Guastavino, Fabio Porcile, Alessandro Ratto, Eugenia Torello, Laura Delia Giovanna

Syndiotactic Polypropylene based nanocomposites: short and long term electrical

characterisation

Francesco Guastavino, Laura Delia Giovanna, Alessandro Ratto, Jose' Manuel Gomez-Elvira, Nu

Garcia

Evaluating Nano composites for High Voltage Applications

Ganpathy Iyer

Epoxy-Alumina Nanocomposites: Advanced Materials for High-Voltage Insulation?

Jorice G. C. Samuel, Stephanie Lafon-Placette, Mingli Fu, Paul J. Howard, Fabrice Perrot

The Role of Nano-Clay in Improving Circuit-Breaker Dielectric Performance

Xinming Zhang, Nicola Bowler, Sarah Falk, Randy Siebels

Dielectric properties of Cyanate Ester/Silicon Nanocomposites for Multifunctional

Structural Capacitors

Nicola Bowler, Weixing Sun, J. Eliseo, Xiaoli Tan, Michael Kessler

Treeing

The Chemical Analysis and Replication of PDMS Bi-Products Located within Electrical

Trees

Nicola A Freebody, Patrick J B Lunt, Alun S Vaughan, Wendy R Flavell

Degradation Behaviour of Voids in Silicone Rubber under Applied AC Electric Fields

Tianyu Bai, Paul Lewin

A Novel Approach for Imaging of Electrical Trees

Roger Schurch, Simon M. Rowland, Roberts. Bradley, Philip J. Withers

Effects of Inclusions of Oxidized Particles in XLPE on Treeing Phenomena

Susanne Nilsson, Espen Doedens, Anette Johansson, Markus Jarvid, Magnus Bengtsson, Jerker

Kjellqvist

Comparison of simulated tree shapes depending on filler type in composite insulating

materials

Youngbum Ju, Hiroaki Uehara, Katsutoshi Kudo

Electrical Tree Inhibition by Voltage Stabilizers 605

Markus Jarvid, Anette Johansson, Villgot Englund, Stanislaw Gubanski, Mats Andersson

Effect of Silica Particles on Electrical Treeing Initiation in Silicone Rubber 609

Zhou Yuan-Xiang, Liu Rui, Hou Fei, Xue Wen-Bin, Zhang Xu

Investigation of Temperature Effect on Electrical Trees in XLPE Cable Insulation 612

Xiangrong Chen

Effects of Ions and Waveforms on Water Tree Initiation and Propagation 616

Ryohei Yawata, Hiroaki Uehara, Katsutoshi Kudo, Tetsuo Yoshimitsu, Yuichi Tsuboi, Toshihiro Tsuda

Charge storage and transport

Surface Potential Decay: Effect of Different Corona Charging Times 620

Yuan Zhuang, George Chen, Paul Chappell, Mihai Rotaru

Electrcal Conduction and Charge Storage of Thin Polypropylene Films Due to Electron 624

Beam Irradiation

Haruhisa Fujii

Time dependent spacer charging in SF6 under DC stress 629

Michael Schueller, Ueli Straumann, Christian M. Franck

Effective dielectric properties of binary dielectric mixtures on checkerboards 633

Enis Tuncer, Isidor Sauers

Relationship between Packet-like Space Charge Behavior and External Current in 637

Polyethylene under DC High Electric Field

Takuya Mori

Degradation Phenomena of on Polymeric Insulating Materials by Proton Beam 641

Irradiation

Ryo Uchiyama

Space Charge Mapping and Conduction Current Measurements in Epoxy and 645

Polyethylene

Nandini Gupta, Supriyo Das

Effect of Water Content on the Conductivity of XLPE Insulation 649

Torbj0rn Andersen Ve, Frank Mauseth, Erling Ildstad

Effect of Interface on Space Charge Behavior in Multi-Layers Oil-Paper Insulation 654

Zhou Yuanxiang, Huang Meng, Sun Qinghua, Sha Yanchao, Zhang Ling

Triboelectrification and Thermal Stability of Positive Charge on 658

Polytetrafluoroethylene Electret Films

Dmitry Rychkov, Werner Wirges, Reimund Gerhard, Andrey Rychkov

Correlating Structural and Electrical Properties in Radiation-Cured Polymers 661

Bertrand Vissouvanadin, Guillaume Ranoux, Xavier Coqueret, Severine Le Roy, Christian Laurent,Gilbert Teyssedre

Charge packets modeling in insulating polymers based on transport description 665

Fulbert Baudoin, Christian Laurent, Severine Le Roy, Gilbert Teyssedre

Evaluation of Space Charge Accumulation Processes in Small Size Polymeric Cable 669

Models

Dennis van der Born, Alex Tsekmes, Tim Person, Simon Sutton, Peter Morshuis, Johan Smit

Effect of Temperature and Electron Energy on Volume Resistivity of a Polyimide Film in 673

a Space Environment

Rikio Watanabe, Hiroaki Miyake, Teppei Okumura, Masato Takahashi

Influence of water absorption in flexible epoxy resins on the space charge behaviour 677

Nikola Chalashkanov, Stephen Dodd, Hualong Zheng, John Fothergill

Large area piezoelectric impact sensors 681

Markus Krause

Wednesday, October 17

Aging

Electrical Properties of Organic Contaminations in XLPE Cable Insulation 684

Sverre Hvidsten

A study of factors and mechanisms responsible for the de-metallization of 688

polypropylene films used in dry capacitors

Olivier Lesaint, Abdelkader Kahouli, Olivier Gallot-Lavallee, Pascal Rain, Christophe Guillermin

Water Tree Growth of Wet XLPE Insulation Stressed with DC and High Frequency AC 692

Superimposed

Frank Mauseth, Andreas Lind, Martin Amundsen, Hallvard Faremo

Low voltage DC cable insulation challenges and opportunities 696

Antonios Tzimas, Dimitris Antoniou, Simon M. Rowland

Measurement techniques

Effects of AC Modulation Frequency and Amplitude on Kerr Electro-Optic Field Mapping 700

Measurements in Transformer Oil

Xuewei Zhang, John Nowocin, Markus Zahn

Polarization phenomena

Mechanism and Application of Refractive Index Increase Induced in Fluorinated 705

Polyimide by Ion Irradiation

Yukitaka Arai, Yoshimichi Ohki, Keisuke Saito, Hiroyuki Nishikawa

KRAMERS THEORY AND VIBRATIONAL ENTROPY IN THE COMPENSATION LAW FOR 709

POLYETHYLENE RELAXATIONS

Jean-Pierre Crine

Temperature dependence of surface potential decay of ceramic materials 713

Laurent Roske, Thierry Lebey, Zarel Valdez-Nava, Jean-Pascal Cambronne

FDS AND PDC CHARACTERISTICS OF PAPER OIL INSULATION UNDER CONDITIONS OF 717

COPPER CORROSION

Sundara Rajan J, Ravi Kumar

Behavior of Transformer Mineral Oil Mixtures Submitted to Isothermal Charging 721

Currents

Tahar Toudja, Hocine Moulai, Azzeddine Nacer, Abdeslem Beldjilali, Nadia Saidi, Mohamed Saidi

Surface flashover

Behavior of water drops on insulator surfaces submitted to DC voltage - Coalescence 725

Abderrahmane Beroual, Jean Ndoumbe, Adolphe Moukengue Imano

Streamer Inception and Propagation for Air Insulated Rod-Plane Gaps with Barriers 729

Frank Mauseth, Jonathan S, Joerstad, Atle Pedersen

Effects of Low Pressure on DC pollution Performance under different Insulator Profiles 733

Jian Li

Outdoor insulation

Statistical Indicators of Silicone Rubber Erosion in the DC Inclined Plane Test 737

Refat Ghunem, Shesha Jayaram, Edward Cherney

Improvements to the Erosion Resistance of Nanofilled Silicone Rubber Composites by 741

Electrospinning

Shanshan Bian, Shesha Jayaram, Edward A. Cherney

Influence of Air Gaps on the DC Withstand Voltage of Ice-Covered UHV Insulators 745

Shamsodin Taheri, Masoud Farzaneh, Issouf Fofana

Simulation Analysis of the Effect of Booster Sheds on Post Insulators under Icing 749

Conditions

Sayyed Mahdi Ale Emran, Masoud Farzaneh, Christophe Volat

PERFORMANCE OF HYDROPHOBICITY OF DIFFERENT POLYMERIC INSULATORS IN AN 753

ACCELERATED AGEING TEST

Ramiro Hernandez-Corona, Gerardo Vallejo-Gutierrez, Gerardo Montoya-Tena

Experimental and Mathematical Modeling of the Effect of Insoluble and Low Soluble 757

Salts and Salts Mixture Pollution on DC Flashover of High Voltage Insulators

Mohammed El-Amine SLAMA, Hocine HADI, Abderrahmane BEROUAL

Modeling of a high voltage insulator under uniform and non uniform pollution 761

Abdelouahab Mekhaldi, Yacine Abderrahmane Bencherif, Madjid Teguar

Prediction of polluted insulators characteristics using artificial neural networks 767

Madjid Teguar, Abdelouahab Mekhaldi, Ahmed Boubakeur

Interfacial phenomena in composite hollow insulator 771

Takashi Yoshida, Yuji Yoshitomo, Tadao Minagawa, Ryoji Kishida, Manabu Kikuchi, KazuyoshiTakahashi

DC Flashover Performance of Ice-Covered Insulator Strings Adopted in ±800kV

Transmission Lines Based on Up-And-Down Method

Xinzhe Yu, Jun Zhou, Bo Liu, Zhiyi Su, Ruiping Huang

Analysis of Characteristic of Natural-pollution Test and Artificial Simulation Method

Chenlong Zhao, Zhicheng Zhou, Song Gao, Liming Wang, Zhicheng Guan

Flashover of Composite Insulators without Hydrophobicity under Heavy Ice and the

Secondary Contamination Conditions

Huafeng Su, Zhidong Jia, Zhicheng Guan, Zhenting Sun

Challenges of using electroactive polymers in large scale wave energy converters

Thomas Andritsch, Peter H.F. Morshuis, Johan J. Smit, Philippe Jean, Rick van Kessel, Ambroise

Wattez, Arnaud Fourmon

Electric Field Computation for a 400 kV Composite Cross-Arm

Christos Zachariades, Vidyadhar Peesapati, Ian Cotton, Simon Rowland

Salt Fog Testing of RTV Coated Ceramic Insulators and Comparison with HTV Silicone

Rubber Insulators

Isaias Ramirez, Ramiro Hernandez, Gerardo Montoya

An Experimental Distribution Line to Develop a Polymeric Insulator Monitoring System

Jose Bezerra, Zanoni Lins, Suelen Silva, Elias Souza Neto, Alexsandro Silva

Simulations of Pollution and theirs effects on the Electrical Performance of Glass

Suspension Insulators

Suat ilhan

A study of the emission spectra from discharges on an ice surface 807

Azam Nekahi, Masoud Farzaneh

The effect of water film thickness and conductivity on discharge propagation over an 811

ice surface

Shahab Farokhi, Masoud Farzaneh

Electrical Performance of Composite Insulators under Icing Conditions 815

Fanghui Yin

775

779

783

786

790

794

798

803

Aging

Evaluation of Semiconductive Shields on Wet Aging Performance of Solid Dielectric 819

Insulated Power Cables

Suh Joon Han

Water Treeing in XLPE Insulated Miniature Cables at High Hydrostatic Pressures and N/A

Temperatures

Mildrid Selsjord, Sverre Hvidsten, Cecilie M. Selsbak

Comparison of Two Schools of Polymeric Aging Models: Causes and Effects of Space 827

Charge on Aging

Hisham Alghamdi, George Chen, Alun Vaughan

Insulation Failure of Inter-Turn Insulation in Inverter-fed Traction Motor 831

Yang Luo

Three Types of Moisture Diffusion Mode in Oil-Paper Insulation 835

Li Xianlang, Zhou Lijun, Wu Guangning, Wang Xiaojian, Liu Jun

Coconut Oil as Transformer Liquid Insulation -Ageing and Simulated Thermal and 839

Electrical Faults

Manjula Fernando, Shanika Yasantha Matharage, E. Tuncer, Asanka Bandara, C. S. Kalpage

DIELECTRIC PROPERTIES OF POLYETHYLENE TEREPHTALATE SUBMITTED TO LONG 843

TERM THERMO-ELECTRICAL AC STRESS

Petru Notingher, Dimitri Beauguitte, Hanen Yahyaoui, Serge Agnel, Yannick Kieffel

Influence of Structural Change by AC Voltage Prestressing on Electrical-tree Inception 847

Voltage of LDPE with Water-tree Degradation

Takeyoshi Kato, Takanori Yamaguchi, Fumitaka Komori, Toru Kawahara, Toshiyuki Hidaka, Yasuo

Suzuoki

Aging investigation of low-voltage cable insulation used in nuclear power plants 851

Davide Fabiani, Luca Verardi, Andrea Cavallini, Gian Carlo Montanari, Ulf Gedde, Erik Linde

Dielectric and physicochemical behavior of aged PVC insulated cables 855

Pierre Quennehen, Gerard Seytre, Isabelle Royaud, Olivier Gain, Pascal Rain, Thierry Espilit

Non-linear approach for evaluating the properties of materials at elevated 859

temperatures

Huseyin Hiziroglu, Iosif Shkolnik

Dielectric Spetroscopy of Thermally Aged Insulation 862

Josef Pihera, Jiri Ulrych, Radek Polansky, Pavel Prosr

Dielectric Parameters Study of Insulation Wire Free of Volatile Organic Compound 866

Petru Notingher, Sonia Ait-Amar, Daniel Roger, Gabriel Velu, Mohamed Benfatallah, Amelia Habas,

Jean-Pierre Habas, Philippe Frezel

Influence of Aging Byproducts on the Gassing Tendency of Transformer Oils 870

Maryam Ghalkhani, Issouf Fofana, Abdelghafour Bouaicha, Hossein Hemmatjou

Organic Enameled Wire Aging Monitoring Based on Impedance Spectrum Analysis 874

Serghei Savin, Sonia Ait-Amar, Daniel Roger

A TENTATIVE ATTEMPT OF INCLUDING KRAMERS FRICTION INTO OUR MODEL OF 878

POLYMERS ELECTRICAL AGING

Jean-Pierre Crine

Aging Status Assessment of Polymer Materials in Mineral Oil under Thermal Aging by 882

Frequency-Domain Dielectric Spectroscopy

Wei Wang, Caipeng Yue, Kai Yang

PROBABILISTIC DIAGNOSIS OF INSULATION FAILURE OF MOTOR WINDING BASED ON 886

FEATURE DISTRIBUTIONS

Yukio Mizuno, Kousuke Kishino, Hisahide Nakamura

Material considerations for submarine high voltage XLPE cables for dynamic 890

applications

Bjorn Sonerud

Charge storage and transport

Dynamic percolation as a tool for tailoring the electrical properties of carbon nanotube 894

/ polymer composites

Anthony Combessis, Arnaud Allais, Lionel Flandin

Treeing

Electrical Treeing In Silicone Rubber/Organo-montmorillonite 898

Mohd Hafizi Ahmad, Abdul Azim Abd Jamil, Hussein Ahmad, Nouruddeen Bashir Umar, Mohamed

Afendi Mohd Piah, Zulkurnain Abdul Malek, Stephen Dodd

Nanodielectrics

AC Breakdown strength and viscosity of mineral oil based SiOZ nanofluids 902

Huifei Jin, Thomas Andritsch, Peter Morshuis, Johan Smit

A Study of Electrical Tree Partial Discharges in Nanocomposite Epoxy 906

Cuthbert Nyamupangedengu, Roman Kochetov, Peter Morshuis, Joan Smit

Dielectric and Mechanical Properties of Polyimide-Barium Titanate Nanocomposites 912

D. Mitchell Rock, Nicola Bowler, Michael Kessler, Xiaoli Tan

Nanofiller Dispersion in Polymer Dielectrics 916

Enis Tuncer, Daniel Tan, Patricia Irwin, Yang Cao

Nano-structured Hybrid Sheets for Electrotechnical High-power Insulating 919

Applications: The Sol-gel route

L. Banet, G. Camino, J. Castellon, H. Couderc, O. Dellea, N. Dreuilles, H. Eggenschwiler, M.F.

Frechette, P. Fugier, F.Gao, G. Malucelli, R. Nigmatullin, T. Plyhm, I. Preda, M.D. Reading, S. Savoie,

C. Schubert, H. Simon, S. Thompson, A.-F. Vaessen, C. Vanga Bouanga, A.S. Vaughan

Intelligent Ultrasound Processing Applied to Insulation Pollution Estimation 924

T. V. Ferreira, P. B. Vilar, J. F. Araujo, M. A. 0. Rodrigues, F. L. M. Andrade, E. G., Costa F. S.

Moreira, J. N. Camlnha Filho, W. R. de Lima