BERLIN: Diagnostic and Maintenance Techniques

Summary

The Symposium was centred around:

Diagnostic and maintenance techniques for electrical components (components means the elementary components of the networks: breakers, switchgear, transmission lines, transformers etc...)
Impact of maintenance and diagnostic requirements on component design practices
Maintenance strategies of utilities: targets, guidelines and constraints
Diagnostic and maintenance techniques for substations and Consequences on the power system

FIRST DISCUSSION MEETING

TRANSFORMERS

110-01 Development of a substation fault location system using optical current transducers - E.TAKAHASHI, K.NAKAHITO, H. KATSUKAWA, S. KATO (Japon/Japan)
110-02 Analysis of Furanic compounds from cellulose ageing by GC-MS and attempts to correlate with degree of polymerisation - T.V. OOMMEN (Etats-Unis/United States)
110-03 On-line moisture monitoring intransformers and oil processing systems -T.V. OOMMEN (Etats-Unis/ United States)
110-04 ENEL - Diagnosis of on- and off-line large transformers - A. BABARE, F. CANNATA,G. CAPRIO, S.SACCHETTI, G. ZAFFERANI (Italie/Italy)
110-05 Diagnostic tools for transformers in service - H.J. KNAB,P. BOSS, E. ECKNAUER, R. GYSI (Suisse/Switzerland)
110-06 A monitoring and diagnostic system for a high power autotransformer and associated bays - L.D'AJELLO, G.ZAFFERANI, E.PANZER! (Italie/Italy)
110-07 Mesures du profil de température dans les transformateurs à l'aide d'un capteur distribué à fibre optique - P.BOSS, J.F.RAVOT, P. MATHIS, H. BRAENDLE (Suisse/ Switzerland)
110-08 On-line diagnostic systemformonitoringthe thermal behaviour of transformers- K. FESER, H.A.MAIER, B. FEUCHTER, H. FREUND,U. ROSENOW, A. BAUR, H. MIESKE (Allemagne/Germany)
110-09 Furanic compounds analysis as a tool for diagnostic and maintenance of oil-paper insulation systems - A. DE PABLO (Espagne/Spain), R. ANDERSSON (Finlande/ Finland), H.J. KNAB (Suisse/Switzerland), B. PAHLAVANPOUR (Royaume-Uni /United Kingdom), M. RANDOUX (Belgique/Belgium), E. SERENA,W. TUMIATTI (Italie/Italy)
110-10 Analysis of the maintenance criteria on transformer insulating oils - E.S. CAROD, J. SARDA,A. DE PABLO (Espagne/Spain)
110-11 Rapid spectrophotometry analysis of Furfuraldehyde in transformer oil - B. PAHL AVANPOUR, G. DUFFY (Royaume-Uni/ United Kingdom)
110-12 Aging insulation study of instrument transformers in EGAT system after several years in service - S. BHUMIWAT, S. SRIHATAJATI (Thai1ande/Thailand)
110-13 Instrument transformers monitoring - C. BOISSEAU, P. DESPINEY, M. HASLER, P. TANTIN (France)
110-14 Up-date on Hydro-Québec's experience in the interpretation of dissolved gas analysis inHV transformers-M. DUVAL,P. GERVAIS, G.BÉLANGER (Canada)
110-15 Diagnostic methods to define the power transformer status during service - N. HIGGI, H.SAID, M. AWAD, M.SWIDAN, SOLIMAN (Egypte/Egypt)

*Paper 220-08, received late after the deadline, ispublished sepnrately and will be avai/able at the Symposium.

110-16 On-mone hydrogen analysis in mineral oil insulated transformers - M. VAN DER VENTER , J.P REYNDERS (Afrique du sud/ soutg africa)
110-17 Estimation des propriétés mécaniques du papier de guipage de transformateurs par prélèvement d'huile- M.CARBALEIRA , R. DE MORAIS , J. NIVOLIEZ (France)
110-18 Power Transformer diagnotics. An on-site evaluation programme, using four methods for a new inspection policy- O. COCHARD , P. GUUINIC, C.LEGRAND, P.LUCCIONI, G.SANCHIS (France)
110-19 An expert system for power transformers fault diagnosis (TRANEX) - A.K. SEDIGH, J. SAYAD, P.HAMIDI, S. SATHYAM, A.P. NANJAPPA (Iran)
110-20 TRAFES : Expert system for diagnosis of power transformers - M.A SANZ-BOBI, A. GARCIA-CERRADA, R.PALACIOS, J.VILLAR, J.ROLAN, A.LUENGO, A.M ALONSO, J.C BURGOS, F.FERNANDEZ (Espagne/Spain)
110-21 Diagnostic testing of power transformers - S.H OSBORN, R.L BARKER (Etats Unis/United States)
110-22 Studies of the condition of insulation in aged transformers and predicting its remaining life - M.DARVENIZA, T.K SAHA, D.J.T HILL, T.T LE (Australie/ Australia)
110-23 Experience with diagnostic techniques for electrical insulation in GIS - A.DIESSNER, J.GORABLENKOW, L.HASHOFF, A.SCHREIEDER (Allemagne/Germany)
110-24 Performance evaluation of transformer condition monitoring expert system - K.TOMSOVIC (Etats Unis/United States) M.TAPPER , T.INGVARSSON (Suède/Sweeden)
110-25 Méthodes d'essais techniques de diagnostic et de maintenance des changeurs de prises en charge équipant les transformateurs - V.ONU, L.CIUPULIGA, V.ANGHELESCU (Roumanie/Romania)
110-26 Méthodes de diagnostic et techniques de maintenance pour les disjoncteurs moyenne de haute tension dans les réseaux éléctriques de transport et distribution - V.ONU, E.MIHALCEA, G.BALAN (Roumanie/Romania)
110-27 Insulation condition tests of instrument transformers - V.PANTIC, V.JOVANOVIC, D.KARAULIC (Yougosalvie/Yugoslavia)
110-28 Monitoring of oil-insulated apparatus. Concept and defector - H.BORSI, E.GOCKENBACH (Allemagne/ Germany)

SECOND DISCUSSION MEETING

SUBSTATION COMPONENTS AND EQUIPMENT (OTHER THAN TRANSFORMERS)

1.CIRCUIT-BREAKERS

120.01 A microprocessor-based condition monitoring system for SF6 high-voltage circuit-break.ers- M. LANDRY, A. MERCIER, R. GIRALDEAU (Canada) S. ZELINGHER, R. SCHWABE, R. BENNETT, M. LEBOW, H. SPINDLE (Etats-Unis/United States)
120.02 Preventive diagnosis on high-voltage circuit-breakers - F. SALAMANCA,F. BORRAS (Espagne/Spain) H. EGGERT, W. STEINGRÀBER (Allemagne/Germany)
120.03 A concept for self-checking and autocontrol of HV circuit-break.ers and its impact on maintenance and reliability - H.KARRENBAUER, C. NEUMANN (Allemagne/.Germany)
120.04 Development of diagnostic technique for high voltage SF6 circuit-break.ers- Y.H. FU,W.R. RUTGERS (Pays-Bas/Netherlands)
120.05 The impact of maintenance activities on the reliabiltyand availability of modernHV switchgear - C. NEUMANN, H. EGGERT (Allemagne/Germany)
120.06 Experimental results as an aid to maintenance on outdoor circuit-breakers - H.-G. AUGUSTIN, P. KIRCHESCH
120.07 Diagnostic techniques for high voltage circuit-breakers and their application - Report on behalf of WG 13.06 (Reliability of High Voltage Circuit-Breakers) H.G. THIEL, D. VONDERECK (Allemagne/Germany)

2. GAS INSULATED SWITCHGEAR

130-01 Predictive maintenance in gas insulated substation (Acoustic process for partial discharge detection) - G. CARYALHOBRITO Jr., M.F. LATINI (Brésil/Brazil)
130-02 PD-Measurement in GIS - A theoretical and experimental comparison of different electrical measurement techniques -I. HERBST (Suisse/Switzerland)
130-03 Maintenance and diagnosis support system for a fully gas insulated distribution substation - Y. JOHGO, Y. ICHIGAWA, M. MATSUMURA (Japon/Japan)
130-04 A new portable acoustic measurement equipment for on-site diagnosis of GIS - P. HOFF, R. NORDIN, J.KARLSSON, M. LEIJON (Suède/Sweden)
130-05 GIS insulation monitoring system using external antenna - T. KIMURA, T. HARUNAMI, N. KONMA, K. HATATA, K. SAITOU (Japon/Japan)
130-06 Development and application of partial discharge locating system for GIS -H. MAEKAWA, K. IBUKI, N. MIYAMOTO (Japon/Japan)
130-07 GIS monitoring by UHF method : effect of external perturbations and defects on solid insulators- A. PETIT, C. MAULAT (France)
130-08 Partial discharge location in GIS using electromagnetic measurements on HF Band- M-P MEIRELLES, R.T. VERDOLIN, W.R. CERQUEIRA, H.A. MARTINS (Brésil/Brazil)
130-09 A diagnostic system for SF6 gas insulated switchgear - H. PATRUNKY, R. RICHTER (Allemagne/Germany)
130-10 Improved partial discharge detection diagnosticin GIS insulators by X-ray irradiation-J-M. BRAUN, S. RIZZETTO, N. FUJIMOTO,G.L. FORD (Canada), A. DIESSNER (Allemagne/Germany), R. BAUMGARTNER (Suisse/Switzerland) M. HOPKINS,G.ADDIS (Etats-Unis/United States) A. GIRODET (France)
130-11 Predictive maintenance technologies for Gas insulated switchgear - T.YAMAGIWA, T. KAWADA, F.ENDO, (Japon/Japan)
130-12 Improved reliability by the application of diagnostic techniques in gas-insulated substations - R.M. MORRA, N. FUJIMOTO, T.MOLONY, J.MEEHAN (Canada) R. GUY-GRAND (France)
130-13 Sensitivity of electrical and acoustical methods forGIS diagnostics with particular reference to on-site testing - E. COLOMBO,W. KOLTUNOWICZ, A. PIGINI (Italie/Italy)

3. OTHER EQUIPMENT

140-01 Resistive leakage current measurements on metal oxide surge arresters in service. Measuring equipment and results from measurements in 145 kV and300 kV stations- A. SCHEI, B. HANSEN, K. KARIJORD (Norvège/Nonvay)
140-02 An expert system makes easier the maintenance of protective relays and increases their reliability - D. GONÇALVES DA CUNHA (Brésil/Brazil)
140-03 Application de la résistance électrique au contrôle non destructif des joints à fort cou rant - F. MORIN, P. SAINT-ONCE, R. TREMBLAY, M. PARKER (Canada)
140-04 Service lifetests of equipment: Mathematical models of insulation aging, their experimental testing and application for accelerated tests and diagnostics - V.I. POPKOV, N. TIKHODEEV (CEI /CJS)
140-05 Radio frequency on-site diagnostic techniques for substations - A. LEHTIO, P. PAKONEN, K. HEINONEN (Finlande/Finland)
140-06 PD detection in cable terminations using acoustic technique - M.A.S. LEIJON, LIMING,T. BENGTSSON, O. KRISTOFERSSON (Suède/Sweden)
140-07 Contact lifetime of connections in electrical power systems - H. BÔHME, H. LÔBL, BERGMANN (Allemagne/Germany)

THIRD DISCUSSION MEETING / GENERAL POLICY

1. EXPERT SYSTEMS

210-01 Improved effectiveness of maintenance management in power systems through computer application - U. LORENZ, P. VOLLBORTH (Allemagne/Germany)
210-02 Advanced operation and maintenance guidance expert system for500 kVsubstations- S.ITO, N. SAITO, E. KAWAGOE, Y. AOSHIMA (Japon/Japan)
210-03 DPNet - A second generation expert system for localizing faults in power transmission networks - A. BESCHTA, O. DESSLER, H. FREITAG, M. MONTAG, P. STRUSS (Allemagne/Germany)

2. MAINTENANCE POLICY

220-01 Maintenance diagnostics by interpretation of performance statistics - H.H. NEL (Afrique du Sud/South Africa)
220-02 HVDC reliability and diagnostics survey - H. ELAHI, M. BENNETT, C. THIO, V. BURTNY K, J. CHRISTOFERSEN On behalf of WG 14.04 (E t ats-U nis/ United States)
220-03 A practical methodfor the dimensioning and management of the reparable equipment spare stocks from power installations - M. STEIN,A.CIUPULIGA,C.BARBULESCU, S. DIACONU (Roumanie/Romania)
220-04 Maintenance concepts for GIS up to 800 kV - R. BÔSCH, A. KRENICKY, K. PETTERSSON (Suisse/Switzerland)
220-05 Current inspection policy information system and future trends - T. MAEDA, J. YAMAMOTO, K. SUYAMA (Japon/Japan)
220-06 Major strategiesin control centre maintenance -WG 39.02 on behalf of the Chairman of SC 39
220-07 Data and argumentation for maintenance decisions. Asummaryfor insulating systems -T. PRAEHAUSER (Suisse/Switzerland)

3. DIAGNOSTIC TECHNIQUES

230-01 Planning and organisation of maintenance in substations : coordination of maintenance -Substation buildings-J.C.CHAKRAVARTY, A.K. MOOKHERJI (Inde/India)
230-02 Programming of condition inspections as a part of computerised maintenance management system - A. KÂHKÔNEN, LEVULA, V. MÂNNISTÔ (Finlande/ Finland)
230-03 Overall maintenance policies of large high voltage electricity supply utilities -TFOl of SC39 - T.A. MALINS (Royaume-Uni / United Kingdom)
230-04 Politique de maintenance des systèmes de protection et d'automatisme des ouvrages THT et HT d'EdF- A.LA ROCCA, P. ASSAILLY, B. BATTAGLIA, M. LAMI,M. MOLLE (France)
230-05 Substation component riskindexusing fuzzy set theory - S.D. KAMIN ARIS, A. V.MACHIAS, B.C. PAPADIAS, J.L. SOUFLIS (Grèce/Greece)
230-06 Aide à la décision de renouvellement sur les réseaux de répartition - P. BLANCHET, P. TURPIN, R. SARINELLI (France)
230-07 On-line monitoring and diagnosis : EDF practices and orientations - P. GUUINIC, A. LE DU, G. SANCHIS, M. TUDREJ (France)
230-08 Development of integrated condition monitoring systemsand study of their impact on substations - S. SHIHAB, V. RAO,
230-09 Optimisation dela maintenanceparla fiabilité appliquée aux postes 400 kV - C. BASILLE, J. AUPIED (France) N. ALAME, S. MOORTHY, G. MELIK (Australie/Australia)