international symposium on high voltage engineering ; 6 ... · high voltage engineering 28 august...

HOSTED BY

ELECTRICAL ENGINEERING DEPARTMENTMISSISSIPPI STATE UNIVERSITY

PROCEEDINGS

VOLUME 3

SIXTH

NTERNATIONAL

SYMPOSIUM ON

HIGH VOLTAGE

ENGINEERING

28 AUGUST — 1 SEPTEMBER, 1989

WESTIN CANAL PLACE HOTEL

NEW ORLEANS, LOUISIANA, USA

COOPERATING ORGANIZATIONS

IEEE

DIELECTRICS & ELECTRICAL INSULATION SOCIETY

POWER ENGINEERING SOCIETY

ELECTRIC POWER RESEARCH INSTITUTE

CIGRE

UNlVEi

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TECHK'UCNKINFORMATIONiiBittLIOTHHK

SESSION 42 - Special HV Measurement

Techniques: Field Calculations and

Measurements (Poster)

Coordinator: Mr. A. Lynn Libby

Manager, High, Voltage Lab.

Mississippi State University

Mississippi State, MS, U.S.A.

42.01 Calibration of a Linear Probe for Coaxial DC Corona

Experiments.A. Bouziane, M. C. Taplamacioglu, G. Hartmann, R. T. Waters

(Great Britain)

42.02 Potential Distribution of Field-Controlled GIS-Bushing.A. M. Miri, B. Schaub, A. J. Schwab

(Federal Republic of Germany)

42.03 Determination of Surface-Charge Distribution on Dielectrica.

:— S. Bier, G. Frank, P. Weiss


42.04 Radio Interference Measurement on 400 KV and £20 KV

Transmission Lines of India.

M. S. Lalli, B. R. PrabhaKar

(India)

42.06 SCM3D Surface Charge Method Package for Electric Field

Computation.

Yuan Jiansheng, Wang Jingguo, Shao Hanguang, Cui Xiang

(P.R. of China)

42.07 Some Advances in High Voltage Electrostatic Field

Computation and Their Applications.

Cui Xiang, Xie Xi, Fei Zengyao, Zhang Jintang, Yuan Jiansheng

(P.R. of China)

42.08 Influence of Superimposed Impulse Voltages on Local Arc

Expand After Local Arcs Were Formed on Surface of Polluted

Insulators Under AC Voltage,

Shu Lichun, Gu Leguan, Sun Caixin

(P.R. of China)

42.10 Earthing Electrodes Modelling for Impulse Current.

F. H. Kameyama, R. A. C. Altafim

(Brazil)

42.11 Noncontact Current Measurements by Fiberoptic Sensors.

S. Donati, V. Annovazzi-Lodi, T. Tambosso, G. Degli Esposti,

A. Albini

(Italy)

42. 12 Integral Equations for Calculation of a Plane Potential

Electric Field in Piece-Homogeneous Media With Account for

Thin Layers and Shells.

O. V. Grimalski, V. L. Ivanov

(Soviet Union)

42. 13 A Laser Beam Tomographic Method for Spatial Evaluation of

High Impulse Electric Fields in Transformer Oil.

Dragan Filipovic, Viktor Scuka, Dan Vindmar

(Yugoslavia)

42. 14 Electrostatic Field Calculation of a Rod Insulator by the

Change Simulation Method.

M. J. Khan, P. H. Alexander, N. H. Malik

(Saudi Arabia)

42. 15 Regulation of the Potential Distribution on the Elements of

High Voltage Devices by Means of Additional Capacitors.E.,S. Kolechitskiy, I. P. Beloedova

(Soviet Union)

42. 16 Investigation on Electric Fields Around and Inside House

Situated in 500 KV Transmission Line Corridor.

Z. Y, Dong, Q. E. Zhou

(P.R. of China)

42.17 Impulse Corona Tests on Single and Bundle Conductors.

K. Harid, M, A. Al-Tai, D. M. German, R. T. Waters

(Great Britain)

42. 16 The Modification of Surge Voltages on Three-Phase Lines byCorona and Ohmic Losses.

M. A. Al-Tai, D. M. German, A. Haddad, R. T. Waters

(Great Britain)

42.19 Measurement of Dynamic Forces Caused by Surge Currents and

Acting Between Busbars; Measurement of Temperature at the

Surface and in the Neighbourhood of Busbars.

Tilmann Seubert, Paul Weiss

(Federal Republic of,Germany)

42.20 Optical Measurements of Electric Field in Long Gap DischargeUsing Pockels Device.

T. Ohta, T. Nakano, Y. Murooka

(Japan)

42.21 Laser Signature of Breakdown (LSB) of Foint-to-Plane Gaps.M. Elshazly-Zaghloul, A,-R. M. Zaghloul, E. Aboul Zahab

(Egypt)

42.22 Optimum Electrode-Shape and Dimensions of Laser-Amplitude-Modulation Probe (LAMP) for High Voltage Measurements.

M. Elshazly-Zaghloul, A.-R. M. Zaghloul

(Egypt)

42.23 Field Tests and Response of the D/I H.V. Measuring System,E. J. M. Van Heesch, A. P. J. Van Deursen, M. A. Van Houten,G. A. P. Jacobs, W. F. J. Kersten, P. C. T. Van der Laan

(Netherlands)

42.24 Image Processing of the Recorded Film about DischargePhenomena.

Kenji Arai, Nobuhiro Fujioka, Ichinori Miyahara(Japan)

42.25 Fiber-Optic Isolation of Partial Discharge Detection Sys-tems.J. P, Quinlan

(United States of America)

42.26 Interception of Supercooled Droplets by Energized Line

Insulators.

M. Farzaneh, M. A. Dallaire, O. T. Melo, A. E. Boyer(Canada)

42.27 Improved Method in Evaluating Dynamic Characteristics of

Digitizers.K. Michishita, T. Kawamura, M. Ishii

(Japan)

42.28 Design and Calibration of an Universal Sensor for the

Measurement of Partial Discharges and Very Fast Transients

in GIS,

M. Albiez, W. Zaengl, K. J. Diederich, J. Meppelink

(Switzerland)

42.29 Some Problems Arising from the Use of Fast Fourier Transform

to Reconstruction of Deformed High Voltage Impulses.

Birgitte Bak-Jensen, Jesper Bak-Jensen

(Denmark)

42. 30 Simultaneous Measurement of Two Orthogonal Components of

Electric Field Using Pockels Device.

K. Hidaka, M. Chiba, S, Matsuoka, T. Kouno

(Japan)

42.31 Micro-Computer Controled Automatic Voltage-Proof Tester of

Dielectric.

Zhang Dong Ya, Chen Yan Hua, Song Li

(P. R. of China)

42.32 Measurement of Space Charge Density Using a Faraday Cage.

Gary B. Johnson


42.33 The Detection of Overhead Line Conductor Damage by

Helicopter-Borne Thremal Imagers,

S, A, Fisher, I. R. Funnel 1, S. T. Larsen

(Great Britain)

42.34 A New Type of Digital Computer System on Impulse Voltage

Opto-Electronic Measurement,

Zhu Xi, Chen Xian Lu, Han Zheng Dong

(P.R. of China)

42.35 A New Kind of DC Voltage Opto-Electronic Measurement System.

Zhu Xi, Chen Xian Lu, Huang Jingming

(P.R. of China)

SESSION 43 - Farti&l Discharge

Chairman: Mr. E. T. Thomson

Biddle Instruments Co.

Blue Bell, PA, U.S.A.

43.01 A Review of the Current Status of Partial Discharge Studies.

Peter H. Reynolds (Invited Lecture)

* (United States of America)

43.02 Measured Statistical Variations of Microgap Discharge in

Time and Frequency Domains.

S. Ying, W. Janischewskyj

(Canada)

43.03 Lichtenberg Figure Technique and Its Applications in China.

W. D. Wang(P.R, of China)

43.04 A Test Methodology, Based on Partial Discharge Analysis, for

the Evaluation of a Solid Insulation System.

M, Bressani, A. Contin, G. Rabach, F. Razza, M. Secco

(Italy)

43.05 Fundamental Investigations of Partial Discharge (PD)Measuring Systems for Comparable PD-Measurements on

Insulating Fluids.

M. Beyer, H. Borsi


43.06 Application of Computer-Based Measurement System for the

Detection of PDs at Different Positions Within a Transformer

Winding.- R, E. James, B. T. Phung, Q. Su

(Australia)

43.07 Thoughts on Partial Discharge Monitoring of RotatingMachines.

Kurt Lehmann, Walter S. Zaengl

(Switzerland)

43.08 Acoustic Parameters of Signals of Partial DischargesGenerated on a Model.

J. Skubis

(Poland)

43.09 A New Method of the Two-Dimensional Bipolar Ion Flow

Calculation.

J. Poltz, E. Kuffel

(Canada)

43. 10 A New Digital Filter to Reduce Periodical Noise in Partial

Discharge Measurements.

G. Konig, K. Feser


SESSION 44 - SPECIAL SESSION:

Measurement of DC Fields and

Ions from HVDC Lines

Organizer: Dr. V. L. Chartier

Bonneville Power Administration

Vancouver, WA, U.S.A.

Chairman: Mr. Tom McDermott

New York Power AuthorityWhite Plains, NY, U.S.A.

44.01 Drift Tubes for Characterizing Atmospheric Ion MobilitySpectra.M. Misakian, W. E. Anderson, 0, B. Laug


44.02 Long Term Measurements of Corona Effects on the Nelson River

HVDC Lines.

Oliver C, Norris-Elye, James W, Keith

(Canada)

44.03 Transportable Measurements System for Electric Field and Ion

Density Near HVDC Transmission Lines.

T. D. Bracken, L. D. Dickson, W. A. Hoppel, R. W. Layman


44.04 The Measurement of DC Electric Fields Away from the Ground.

Harold Kirkham, Alan Johnston


44.05 A Convenient Method for Measuring Equivalent Ion Mobilities

and Calibration of Electric Field Meters.

G. Q. Mu, Z. Yan, G. Gela


44.06 Floating Potential as a Function of Wind Speed and Direction

for a Radioactive Potential Probe.

Patrick D. Pedrow, Qing Yuan Wang


44.07 A Mobile Station for Measuring Electric Fields and Ions

From HVDC Transmission.

Vernon L. Chartier, Larry D. Dickson


44.08 An Experimental Study of Large Ion Density at the Shiobara

HVDC Test Line.

Tomotaka Suda, Yoshitaka Sunaga

(Japan)

44.09 Method for Calculating Ion Flow Field Around an HVDC

Transmission Line in the Presence of Wind.

Y. Sunaga, Y. Amano, T. Suda

(Japan)

SESSION 45 - Space Power; Generators,

Transformers, Cables, and Breakers

Chairman: Dr. Lloyd Gordon

Auburn UniversityAuburn, AL, U.S.A.

45.01 Power Technology for Space Systems.M. Frank Rose (Invited Lecture)

x (United States of America)

45.02 After Laying Test of HV Extruded Insulation Cable Links.

F. Farneti, F. Ombello, E. Bertani, W. Mosca

(Italy)

45.03 The Effect of End Stress Grading of Turbogenerator Stator

Bars on Partial Discharge Characteristics.

S. Mukherji, M. D, Agrawal, A. Bhoomaiah

(India)

45.04 Long-Term Characteristics of XLPE Insulated Power Cable.

T. Kouno, K, Ohhata, T. Karasaki, T. Sasaki, M. Kanaoka,

Y. Sekii

(Japan)

45.05 An Electromagnetic Transient Program IncorporatingSimulation of Hysteresis in Transformer Core.

A, Mukherjee, P. K. Mukherjee(India)

45.06 Voltage Distribution on HV Stator Winding Surfaces Covered

by a Voltage-Dependent Conductive Layer.M. I. Dabrowski

(Poland)

45.07 Endwinding Stress Relief in Large Turbine Generator Stators,

J. W. Wood, W. K. Hogg

(Great Britain)

45.08 Inrush Currents of 400kV Shunt Reactor and InterconnectingTransformer.

R. S. Shivakumara Aradhya, D. Devendranath,C. S. Lakshminarasimha, V. B. Ram Mohan

(India)

45.09 Propagation Models for Remote Sensing of Peak Radiated

Fields Due to Lightning.N. Herodotou, W. Janischewskyj, W. A. Chisholm, J. Rai

(Canada)

45.10 Initiation and Growth of Water Trees in XLPE Cable

Insulation.

E. I Ids tad, H. Faremo

(Norway)

SESSION 46 - Air Insulation

Chairman: Dr. David B. Miller

Mississippi State UniversityMississippi State, MS, U.S.A.

46.01 An Application of the New Approach of Atmospheric Correction

Factors to Power Frequency Tests Performed on Post

Insulators.

D. R. Hello, F. A. Chagas, J, Arinos Teixeira, A, Piantini

(Brazil)

46.02 DC Breakdown Characteristics of Rod-Rod and Rod-Plane Gapsin Reduced-Density Air.

A. Robledo-Martinez, P, A. Calva

(Mexico)

46.03 Behavior of Corona Discharges in Rod-to-Plane Gaps in Air

Under AC Voltages.

Hiromu Isa, Masahiro Kan, Muneaki Hayashi(Japan)

46.04 Temperature Effect on the Streamer Breakdown in Air.

K. Feser, J. Schmid


46.05 Simulation of Avalanches in a Composite Dielectric Medium.

K. W. Lam, S. M. Mahajan, T. S. Sundarshan


46.06 Results of the Disruptive Discharge Test Research of

External Insulation at Different Altitude Region in China.

Jia Yimei, Huang Xianjin, Yao Guosui, Lu Chonghui,

Wang Xinsheng, Zhang Xiande, Fang Ziping, Gu Guanghuo

(P.R. of China)

46.07 Phase-to-Phase Air Insulation Studies Under Ambient

Conditions of Reduced Air Density.

B. C. Le Roux

(South Africa)

46.08 Influence of Humidity on Lightning Impulse Flashover Voltage

of Air Gaps in Plateau and Compared with Plain Areas.

Jin De Shen

(P.R. of China)

46.09 Transient Caused by Non-Simultaneous Arcing Faults.

Antoni Bogucki, Pawel Sowa

(Poland)

46. 10 Influence of Absolute Air Humidity at Different Altitude

on the A.C. and Lightning Impulse Discharge Voltage.

Sheng Mei-Han, Fu Fu-Cheng

(P.R, of China)

SESSION 47 - High Voltage Test

Equipment; Outdoor Insulation (Poster)

Coordinator: Mr. A. Lynn Libby

Manager, High Voltage Lab.

Mississippi State UniversityMississippi State, MS, U.S.A.

47.01 A New Method of Generating Impulses at the Third Phase of a

Phase of a Phase-to-Phase Test.

D. R. Mello

(Brazil)

47.02 A New High Voltage Laboratory in China.

S. J. Huang, S. G. Du, E. Gockenbach

(P.R. of China)

47.03 Effect of Location of High Voltage Damping Resistor on

Critical Flashover Voltage.J. J. Patel

(India)

47.04 Hardware and Software for Computer-Aided H. V. Tests.H. Bachmann, M. Baronick, W. Hauschild, S. Rausendorf, J. Wolf(German Democratic Republic)

47.05 After Laying Test of Accessories of Synthetic InsulatedCables With Oscillating Wave.

C. Aucourt, M. Louis

(France)

47.06 Kinetic Method for Evaluating the Voltage Dependence of

High-Voltage Compressed Gas Standard Capacitors.H.-G. Latzel, D. Kind

iFederal Republic of Germany)

47.07 A Multipulse Lightning Impulse Generator.

M. Darveniza, C. H. Andrews, D. R. Mercer, T. M. Parnell

(Australia)

47.08 A 10.2 Megavolt 323 Kilojoule Marx Generator.Che Xigang, Li Zhenrong, Xu Yizhi, Zhao Yunyi, Cai Gonghe,Liu Zusheng, Chen Shaorong, Bi Changqing(P.R. of China)

47.09 An Inverse Filtering Approach to Reconstruction of HVImpulses.C. Narduzzi, G. Zingales(Italy)

47.10 Software Systems fro HV Measurements.V. Kouleshov


47.11 A Nartosecond Voltage Divider for Plasma Focus Experiments.C. M. Luo, M. Han, X. C. Yang, S. T. Pai(P.R. of China)

12 Recent Investigations on the Aging Performance of Wet EpoxyResin Post Insulators Stressed by Surface Partial Discharges.D. Konig, I. Quint


13 The Study of Humidity on Flashover Voltage Characteristics

for Positive S.I.

Xu Qiang(P. R. of China)

14 Pollution Mapping of Saudi Arabia.

M. Akbar, F, M. Zedan

(Saudi Arabia)

15 Flashover Voltage of Overhead Distribution Insulation Under

Steep-Front Pulses,

S, Grzybowski, P. B. Jacob


16 Influence of Ambient Conditions on the Flashover Performance

of Ceramic Insulating Materials.

J. M. George, R. Parraud

(France)

17 Performance of Polymer Insulating Materials Under Artificial

Contaminated Conditions.

Taher D. Eish, M. H. Abdel-Rahman, H. A. El-Behairy

(Egypt)

18 Comparison of Standard and not Standard Pollution Tests

Methods with Particular Reference to DC Voltages.

D. Perin, A. Pigini, F. Zagliani, C, S, Lakshminarasimha,

M. Ramamoorthy, V. B. Rammohan

(Italy)

19 Burning Mechanism of Damp Silk Rope in the Equipotentially

Applied High Voltage Mode: An Experimental Study.

Jinglian He, Qiwu Cheng, Xiaoqing Guo, Guoxing Li, Yibin Li


20 Effect of Humidity on the Impulse Flashover Voltage of

Insulators (llkV to 400 kV Class) and Isolators (llkV to

33kV Class) .

U. R, Sheshagiri Rao, V, B. Ram Mohan, C. S. Lakshminarasimha

(India)

21 The Numerical Modelling Evaluation of the Exposure of

High-Voltage Insulators to Contamination.

A. Bogucki, J. Chojcan, A. Kaluzny

(Poland)

22 Some Initial Degradation Processes for Very Light Polluted

Epoxy Insulation.

Esben Larsen

(Denmark)

23 A Generalized Model for the Dielectric Behavior of Polluted

Insulators.

G. I. Theodorakis, F. V. Topalis, I. A. Stathopulos

(Greece)

47.24 Dielectric Sstrength of External Insuiation at High

Humidity.

Long Yu-Hua

(P.R. of China)

47.25 The Mathematical Model Evaluating the Condition of Exposure

of High-Voltage Insulators to Contamination.

A. Kaluzny

(Poland)

47.26 DC Flashover Performance of Iced Insulators.

Zhang Jianhui, Sun Caixin, Gu Leguan, Liang Chen

(P.R. of China)

47.27 Contribution to Leader Fermation by Surface Flashover Model.

Ma Naixiang, Wang Xiaojun, Wang Yun

(P.R. of China)

47.28 General Principles of Preventive Maintenance Policies for

High Voltage Networks Insulation.

A. Bogucki, Z. Gacek

(Poland)

47.29 Pollution Reliability of High Voltage Overhead Lines

Insulation.

Z. Gacek

(Poland)

47.30 Polymeric Insulators: A.C. Flashover Voltage Under

Artificial Salt-Pollution of New and Naturally-Aged Units

Compared to Porcelain.

R. G. Houlgate, D, A. Swift

(Great Britain)

47.31 Ageing of Epoxide Compositions for HV .Outdoor Insulation:

Diagnostic Procedures and Estimation Criteria.

Wiktor Zajac, Jerzy Winkler

(Poland)

47. 32 The Ageing of Epoxy Compositions by Ozone Treatment.

Wiktor Zajac, Jan Bursa, Janusz Michalski

(Poland)

47.33 Insulation Properties of Iced Various Insulators during

Freezing Rain and De-icing.

Noriyoshi Sugawara, Kazuo Hokari, Ryosuke Matsuoka,Katsuhiko Naito

(Japan)

47.34 HVDC 700 kV Generator for Pollution Tests.

W. Mosca, P. Murgia, R. Nicolini, A. Spinelli

(Italy)

47.35 Tracking Resistance of Organic Insulating Materials byMerry-go-round Test Method.

Noboru Yoshimura, Makoto Nishida, M. S. A. A. Hamman

(Japan)

47.36 Study on the Improvement of the Equivalence for Artificial

Pollution Test Method.

Xu Tong-Xun, Yang Xiang-Guo

(P.R. of China)

47.37 Study of a Procedure for Impulse Testing of Cap and Pin

Insulators: Puncture Test.

E. Garbagnati, E. Fusar Poli, A, Pigini, C, Valagussa

(Italy)

47.38 Behaviour of Bushings with Silicone Rubber Sheds,

F. Hammer, A. Kuchler, G. Maueler


47.39 The Generation of Switching Impulse Voltages Up to 3.9 MV

with a Transformer Cascade for 3 MV.

W. Schrader, R. Haller, J. Spiegelberg, H. Schwab, M. Dietrich

(German Democratic Republic)

47.40 Impulse Divider Calibration by Comparison Method.

R. Gobbo, G. Pesavento

(Italy)

47.41 A Device for the Automatic Measurement of Surface

Conductivity of Insulators.

A. Bertazzi, G. Perego, G. Sampaoli, Y. Vachiratarapadorn,

V. Eamsa-ad

(Italy)

47.42 A Special Screened Resistor-Type Divider for the

Measurements of the Fast Front-Chopped Impulses.

S, Bossi, G. Rizzi, C. Valagussa, E. Garbagnati

(Italy)

SESSION 48 - Vacuum

Chairman: Dr, J. R. LaghariState University of New York-Buffalo

Buffalo, NY, U.S.A.

46.01 Vacuum Insulation, Conduction, Recovery and Applications: A

Review.

k J. Thompson (Invited Lecture)(United States of America)

48.02 Effect of Leakage Current and Light Emission on Surface

Flashover Along Silicon in Vacuum.

S. H. Nam, T, S. Sudarshan


48.03 Relations Between Flashover Traces and Insulation

Performance in Bridged Vacuum Gaps.Osamu Yamamoto, Takehisa Hara, Kimihito Ohmae, Muneaki Hayashi(Japan)

48.04 Fast Transients Caused by Breakdown of Millimeter Vacuum

Gaps Under Impulse Stress.

M. Gollor, H. C. Karner


46.05 The Increase of Melting Microprotrusion Vertex as the

Initiating Factor of Vacuum Gap Breakdown.

S. Grzybowski, W. Opydo, J. Ranachowski


48.06 Determination of Electron Field Emission Parameters fromElectrode Surface in Vacuum Insulation Systems.W. Opydo, J. Ranachowski, S. Grzybowski(United States of America)

48.07 Some Aspects of Conditioning and Breakdown of CentimeterGaps Under AC Voltage Stress in Vacuum.

F. Schneider, H. C. Karner, M. Gollor


48.08 Improvement of Dielectric Performance of Electrically andMagnetically Stressed Vacuum Gaps by Controlling ElectronMotion.

Masanori Hara, Junya Suehiro

(Japan)

48.09 Inhibiting Surface Flashover with Magnetic Fields.M. Lehr, R. Korzekwa, H. Krompholz, M. Kristiansen(United States of America)

48.10 The Dependence of the Emission Currents of Cu- and CuCr-

Electrodes on Residual Gas Pressure and Gastype in the

Semivacuum Range,R. Heinemeyer, J, Llerena


SESSION 49 - Gas Insulated Systems

Chairman: Dr. Noboru FujimotoOntario Hydro

Toronto, Ontario, Canada

49.01 A Voltage Sensor for Measurement of GIS Fast Transients.

D. A. Bradley


49.02 Influence of Water Vapor and Decomposition Products on the

Positive- and Negative-Ion Spectra of SF6 Corona.

I. Sauers, M. C. Siddagangappa, G. Harman


49.03 Surface Flashover of Insulating Films in Compressed SF6 Gas.

J. Sundara Raj an, S, N. Moorching

(India)

49.04 A Mathematical Model of the.On-Site Testing of GIS.

I. Uglesic

(Yugoslavia)

49.05 Outcoupling and External Phenomena of Very Fast Transients

(VFT) in GIS.

A. Wei sen


49.06 Insulating Characteristics of SF6 and SF6/N2-Mixtures for

Very Fast Transient Voltages (VFT),

W. Pfeiffer, V. Zimmer, P. Zipfl


49.07 Influence of Humidity on Phenomena at the Low-Field

Electrode in SF6 Coronas.

A. Goldman, M. Megherbi, G. Berger, 0. Belabed

(France)

49.08 Electrical Breakdown in SF6 Under Negative Impulse Voltage.

P. Koukos, S. J. MacGregor, O. Farish, N. Spyrou

(Great Britain)

49.09 DC Corona Suppression in HV Gas Insulated Systems.

H. Boudjelthia, A. E. Davies, R. T. Waters

(Great Britain)

49. 10 Effect of Carbon-chloride Mist on Flashover Characteristics

of Nitrogen and SF6 Under Nearly Uniform Fields.

M. Yashima, H. Fujinami, T. Takuma

(Japan)

SESSION 50 - Special HV Measurement

Techniques

Chairman: Dr. E. Kuffel

University of Manitoba

Winnipeg, Manitoba, Canada

50.01 Kerr Electro-Optic Field and Charge Mapping Measurements

in Dielectric Gases, Liquids, and Solids.

x Markus Zahn (Invited Lecture)


50.02 Improving Laboratory Tests of HV Equipment By Using Digital

Techniques.F. Deschamps, J. Gauthier, M. Louis, J. P. Riu, Y. Therme

(France)

50.03 Some Aspects of the Evaluation of High Voltage Impulses

Measured with an Impulse digitizer.

E. Gockenbach, H. P. Hausler

(Switzerland)

50.04 Digital Measurements on High Voltage Surge Generators.

W, Y. Zhang, A. P. J. Van Deursen, P. C. T. Van der Laan

(Netherlands)

50.05 Digital Measurement of Impulse Corona Discharge.

M. Nishiyama, S. Furuya, K. Arai

(Japan)

50.06 A Method for Fitting and Smoothing Digital Data.

Y, X. Zhang, R. H. McKnight, C. Fenimore


50.07 A Digitizing Camera System to Record Lightning Impulse

Waveshapes.Guan Xikang, Sun Yanhua

(P.R. of China)

50.08 Automative Digital Recording of Transients in EHV

Substations.

Ryszard Malewski, Jean Douville, Louis Laval lee

(Canada)

50.09 Electric Fields in a Kerr-Cell Placed Underneath a

Coronating Transmission-Line Conductor.

Mazen Abdel-Salam, Dennis Wiitanen, Mohammed Abdel-Salam


50, 10 Recent Applications of Current Measuring Techniques Using

Rogowski Coils.

Hubert P. Mercure

(Canada)

50.11 Digital Measurement of a Unit Step Response: Analysis of the

Computer Determination of the Response Parameters.

F. Bolognesi, M. Bombonato, C. Cherbaucich, G. Rizzi

(Italy)

international symposium on high voltage engineering ; 6 ... · high voltage engineering 28 august...

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