TUESDAY 26 MAY 2009
Opening Address “Tomorrow’s electricity Grids-The revolution”
John Scott FIET (9.00am)
Director, KEMA Consulting Ltd
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SESSION 1 – TRANSFORMER INSULATION AND
DIELECTRIC FLUIDS
Chairman Dr Alan Wilson (9.30-11.00)
R Heywood, Doble Power Test UK, P J Griffin, L R Lewand
Doble Engineering Company, USA
Gassing tendency of electrical insulating oils and the
effects of additives
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M Hassanzadeh, W Daoud, AREVA T&D DRC, France,
O Lesaint, T Chau, University of Grenoble France,
A Cornier SERAM, France
Electrical and environmental performance of vegetable oils
for medium voltage application
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Q Liu, Z D Wang, University of Manchester, UK
AC and lightning breakdown strength of mineral oil nytro Gemini X and 10GBN
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M Pütter, M Krüger, Omicron Electronics GmbH, Austria
Practical laboratory and field measurements of transformer
insulation using different dissipation / power factor test methods
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X Wang and Z D Wang, University of Manchester, UK
Discussions on the effectiveness of IEC 1294
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SESSION 2 – PARTIAL DISCHARGE MEASUREMENTS
Chairman Prof. GianCarlo Montanari (11.30-13.00)
M Tozzi, G L Giuliattini Burbui, A Cavallini, D Fabiani
and G C Montanari, University of Bologna, Italy
Sensing partial discharge signals in MV switchgear
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G Robles, J Martinez, M Rojas and J Sanz, University
Carlos III of Madrid, Spain
Inductive sensor for partial discharge measurements
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R Mackinlay, M Seltzer-Grant, L Renforth, HVPD Ltd, UK
On-line partial discharge testing deployment for high voltage cable sealing ends and terminations
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P Cichecki, E Gulski, JJ Smit, Delft University of Technology, The Netherlands PP Seitz, Seitz Instruments AG, Switzerland R Bodega, T Hermans, Prysmian Cables and Systems, The Netherlands
PD sensitivity estimation for unconventional detection of
discharging defects at AC voltages
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D M Hepburn, B G Stewart, Glasgow Caledonian University, UK
Magnetic field effect on partial discharge activity in oil
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SESSION 3 – MATERIALS PROCESSING
Chairman Prof Gary C Stevens (14.00-15.30)
S Nilsson, T Hjertberg Chalmers University of Technology, Sweden, A Smedberg Borealis AB, Sweden
The effect of cross linking on the electrical properties of low
density polyethylene (LDPE)
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B Palomo, J P Habas, Institut Plurisdisciplinaire sur les
Matériaux et l’Environnement, France N Quentin, D Fellmann, ALSTOM Transport, France, P Pignolet Université de Pau et des Pays de l’Adour, France
Optimization of the curing of a cycloaliphatic resin
for high voltage composite insulators
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A Beigel, Huntsman GmbH, Switzerland
Advanced epoxy materials for electro composites
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L Valette and K Zhao, Dow Chemical (China) Inv.Co. Ltd, China
Influence of inorganic fillers on epoxy based formulations for electrical insulation
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M Hassanzadeh, W Daoud, AREVA T&D DRC, France
End of life delectric materials management
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SESSION 4 – AGEING MECHANISMS
Chairman Dr Greg Stone (16.00-17.30)
R Heywood, H Ding, Doble PowerTest Ltd, UK.
Can we delay ageing of the electricity supply infrastructure? Experiences from transformer scrapping and laboratory research
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M K W Stranges, GE Consumer & Industrial, Canada,
J C G Wheeler, Electrical Insulation Association, UK
New and revised international specifications for thermal
classification testing
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H.G. Sedding, Kinectrics Inc., Canada
Experience with the voltage endurance test for stator winding insulation
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D Manns, M K W Stranges, GE Consumer & Industrial, Canada K Weeber, S Galioto, GE Global Research, USA, J Yagielski, GE Energy, USA
The design and testing of insulation systems for large rotating machines powered by adjustable speed drives
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WEDNESDAY 27 MAY 2009
SESSION 5 – PARTIAL DISCHARGE MEASUREMENTS
Chairman Prof. Manu Haddad (08.30-10.00)
L Hao, P L Lewin, S G Swingler, The University of Southampton, UK,
Use of machine learning for partial discharge discrimination
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I D Bruce, B G Stewart, Glasgow Caledonian University, UK
An examination of pattern variation with corresponding discharge fault type and supply voltage using pulse
sequence analysis
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T Pinpart, A M Ishak, M D Judd, University of Strathclyde, UK
Effect of wavelet de-noising on signal timing accuracy for UHF partial discharge location
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S M Markalous, LDIC GmbH Germany, A Wilson, Doble Power Test, UK
Techniques for detection and location of partial discharges in power transformers
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A Cavallini, D Fabiani, G C Montanari and M Tozzi, University of Bologna, Italy
Partial discharge detection techniques in inverter-fed induction motors
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SESSION 6 – ROTATING MACHINES (10.30-12.30)
Chairman Dr Howard Sedding
G C Stone, I Culbert, Iris Power, Canada
Experience with partial discharge testing during voltage surges as required by IEC 60034-18-41
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M Li, F Sahlén, K Johansson, ABB Corporate Research, Sweden, Eva Mårtensson, ABB Machines, Sweden,
O Koponen, ABB Electrical Machines,Finland
Investigations on end corona protection systems for converter-fed HV motors
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P Schlupp, Électricité de France (R&D), France, P Rain, V Boucher CNRS, France, A. Petit, Electricité de France (DTG), France
Partial discharge measurements on glass-mica-epoxy samples for electrical insulation during accelerated thermooxidative ageing
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S Kempen, F Pohlmann, Siemens AG, Germany, P Werdelmann, TU Dortmund, Germany
Comparison of methods to measure the geometrical voltage distribution and corona protection systems with low impact on original electric field distribution
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R Kyte, Xstrata Mount Isa Mines PTY Ltd, Australia, R Scollay, Machinemonitor PTY, Australia
Life assessment, operating strategy and forward life extension of the U62 winder rotor at Xstrata, Mount Isa
Mines
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SESSION 7 – CABLES INSULATION (13.30- 15.05)
Chairman Dr Simon Rowland
P Cichecki, E Gulski, J J Smit, Delft University of Technology, The Netherlands, P P Seitz, Seitz Instruments AG, Switzerland, F de Vries Nuon Tecno, The Netherlands
On-site testing and diagnosis of transmission cables using PD and dielectric loss diagnosis
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J A Pilgrim, D J Swaffield, P L Lewin, The University of Southampton, UK, S T Larsen, Southampton Dielectric
Consultants, UK, D Payne, National Grid, UK
Towards a more flexible rating method for cables in tunnels
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T Liu, J Fothergill, S Dodd, University of Leicester, UK, U Nilsson, Boralis AB, Sweden
Dielectric spectroscopy of XLPE cables using charging/discharging current measurement
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SESSION 8 – HV MEASUREMENTS & CONDITION
MONITORING TECHNIQUES (15.35-17.30)
Chairman Dr Ross Mackinlay
G C Stevens, W Mortimore, H Herman, P Baird, GnoSys UK Ltd, The University of Surrey, UK
Rapid non-destructive condition assessment of insulating materials
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K Rethmeier, M Kruger, Omicron Electronics GmbH, Austria,
R Plath Omicron Electronics GmbH, Germany
Synchronous multi-channel PD measurements and the benefits for PD analysis
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A Kortajarena, J M Doval, Labein Tecnalia, Spain, R Plath,
HPS, Germany
Four years’ experience of on-site commissioning tests on HV cables
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M Fu, J-L Rasolonjanahary, F Perrot, AREVA T&D Technology Centre, UK,
The effect of stray capacitances on a representative UHVDC 800 kV corona shield structure
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A Basuray, S Chakraborty, NTPL, India
Recurrent surge generator as a versatile diagnostic tool
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A Vouk, Y Asiri, Saudi Aramco, Saudi Arabia, Z A Hamouz, King Fahd University of Petroleum and Minerals, Saudi Arabia
Online PD monitoring insures reliable operation of 24000 hp motors in the Saudi Arabian deserts
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THURSDAY 28 MAY 2009
SESSION 9 – MATERIALS PERFORMANCE
Chairman Ms. Meredith Stranges (08.30-10.15)
D Beauguitte, P Nothinger, S Agnel, Université de Montpellier, France, Y Kieffel, AREVA T&D ARC, France,
J-F Tortorici, M Hassanzadeh, AREVA T&D DRC, France,
K Pohlink, AREVA T&D, Switzerland
Investigation of breakdown strength of thick PETP layers
for high voltage applications
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N L Dao, P L Lewin, S G Swingler The University of
Southampton, UK
Effects of lightning impulses on the dielectric properties of HDPE
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M Hasheminezhad, E Ildstad, A Nysveen, Norwegian University of Science and Technology (NTNU), Norway
Effect of pressure and roughness on the breakdown
strength of an XLPE/XLPE interface
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S Kıhalmy, Furukawa Electric Institute of Technology Ltd,
Hungary, I Kiss, Z Á Tamus, B Novak Budapest University of
Technology and Economics, Hungary
Examination of tree formation in silicone rubber
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I R James, AREVA T&D ART, UK, S Li, Xian Jiaotong University, China, M Hassanzadeh, AREVA T&D DRC, France
Thermoplastic tie rods for MV vacuum switchgear
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R Brütsch, Von Roll Switzerland Ltd, Switzerland
Insulating systems for high voltage motors
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SESSION 10 – NANOCOMPOSITES (10.45-11.55)
Chairman Dr Fabrice Perrot
G C Stevens, J Thomas, A Mitchell, H Herman, GnoSys
UK Ltd, The University of Surrey, UK
The role of nano and micro fillers in high thermal conductivity electrical insulation systems
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R R Patel, A Poswal, N Gupta, Indian Institute of Technology,
India
Effect of pre-processed nanometric alumina fillers on the dielectric strength of epoxy composites
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SESSION 11 – OUTDOOR INSULATION (12.05-13.35)
Chairman Dr Jeremy Wheeler
X Zhang, S Rowland, The University of Manchester, UK
Dry-band arc compression and resultant energy density changes
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G Heger, NamPower (Pty) Ltd, H J Vermeulen, P J Pieterse, J P Holtzhausen, Stellenbosch University, South Africa, W L Vosloo, Eskom Holdings, South Africa
A comparison of standardized test methods for the inclined plane test for insulator materials
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A Tzimas, E Da Silva Domingues, S M Rowland
The University of Manchester, UK
A framework to assist asset management of composite
insulators
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B S Limbo, NamPower (Pty) Ltd, Namibia, H J Vermeulen,
W L Vosloo, P Pietierse, J P Holtzhausen, Stellenbosch
University, South Africa
Ageing test of an RTV SR coated glass insulator using a
tracking wheel tester
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C R S Lumb, SEVES Sediver, France
The effect of housing material and profile on the pollution
and ageing performance of composite HV line insulators
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