CIRED 2017. Session 1: Network components
12-15 Июня 2017, Глазго, Шотландия.
№ | Тема | Авторы |
---|---|---|
0049 | Offline PD diagnostics using several excitation voltages | H Putter, F Petzold, P Legler, Megger, Germany |
0056 | On line monitoring of medium voltage overhead distribution lines polluted insulators severity | O E Gouda, Cairo University, Egypt, D M Khalifa, Egyptian Electricity Transmission Company, Egypt |
0107 | ABC cables in colour other than black | Z Pamić, HEP ODS d.o.o. ELEKTRA ZAGREB, Croatia |
0114 | Parameters of influence on LV cable ageing | Q De Clerck, J M Meunier, Laborelec, Belgium, J Van Slycken, Eandis, Belgium, M Van Den Berg, Sibelga, Belgium, P Colin, Ores, Belgium |
0200 | Investigations on the mechanical and electrical behavior of HTLS conductors by accelerated ageing tests | C Kϋhnel, S Grossmann, IEEH TU Dresden, Germany, R Bardl, D Stengel, BAM Berlin, Germany, W Kiewitt, 50Hertz Transmission GmbH, Germany |
0260 | Medium voltage shielded busbar long term ageing test method | K Helal, R Maladen, F Gentils, O Kozlova, Schneider Electric, France |
0266 | External conductive layer on EDP MV underground cables leads to new oversheath requirements | E Francisco, J Cruz, J Silva, F Costeira, EDP Distribuição, Portugal |
0270 | Integration challenges of high accuracy LPIT into MV recloser | B Kerr, N Uzelac, GandW Electric Co., United States, L Peretto, University of Bologna, Italy, E Scala, Altea S.r.l., Italy |
0272 | Design of MV overhead lines to maximise bird safety | A Beutel, B McLaren, H Geldenhuys, N Khoza, R Kruger, R Branfied, Eskom Holdings SOC Ltd, South Africa, J Van Coller, University of the Witwatersrand, South Africa, C Hoogstad, Endangered Wildlife Trust, South Africa |
0279 | Anti-ice and snow coating for EDP Distribuição's overhead lines | R Bernardo, J Cardoso, R Catalão, EDP Distribuição, Portugal, L Ilharco, IST-CQFM, Portugal |
0291 | Sensitivity analysis of cable oscillating wave test system on multi-source defects diagnostics | G Lu, G Wu, J Xiong, Y Liu, Guangzhou Power Supply, China |
0414 | Self-healing materials for autonomous cable repair | R RhodesI German, S Basu, G C Stevens, Gnosys Global Ltd., United Kingdom |
0418 | Determining cables metrics using 3D ultrasonic scanning | S Sutton, University of Southampton, United Kingdom, P Willmott, Acuity Products Ltd, United Kingdom |
0430 | The use of high temperature conductors in existing lines: economic and environmental benefits | L Moreira, A Lopes, EDP-Distribuição, Portugal |
0532 | Investigation of partial discharge frequency dependence in distribution system cables | T S Negm, M Refaey, A A Hossam-Eldin, University of Alexandria, Egypt |
0537 | Evaluation of aging degradation of 6kV CV cable (three-layer co-extruded structure) | M Kobayashi, M Kuze, Chubu Electric Power Company, Japan, T Fuseya, TOENEC Corporation, Japan |
0598 | 10 Years of experience with 3 kHz water tree test | M Burceanu, Q De Clerck, Y Tits, Laborelec, Belgium |
0602 | An innovative power cable connection of property equivalence and non-joint | H Zhong, Y Xia, Z Liang, CYG Electric Technology Co., Ltd. China |
0797 | Analysis and evaluation of dielectric parameters for design verification and calibration of a newly developed diagnostic system for MV power cables | F Eppelein, C Weindl, Coburg University of Applied Sciences, Germany, I Mladenovic, Siemens AG, Germany |
0813 | Measurement results of a spatially-resolved diagnostic method and influencing factors in field environment of MV power cables | E Fischer, C Weindl, Coburg University of Applied Sciences, Germany |
0826 | Experiences with cable faults located at metallic screen connections | H L Halvorson, S Hvidsten, H Kulbotten, J K Lervik, SINTEF Energy Research, Norway |
0893 | Long-time evaluation of cable joints in water | M Dreßler, S Kornhuber, University of Applied Science Zittau/Görlitz, Germany, G Jacob, Behr Bircher Cellpack BBC Radeberg GmbH, Germany, B Knüpfer, Cellpack GmbH, Germany |
0912 | New HVDC nanocomposite electrical insulation for improved MV and HVAC performance | N Freebody, G Stevens, Gnosys Global Ltd, United Kingdom, A Vaughan, University of Southampton, United Kingdom, F Perrot, A Hyde, GE Grid Solutions, United Kingdom |
0917 | High performance thermoplastic cable insulation systems | A Pye, G Stevens, Gnosys Global Ltd, United Kingdom |
1066 | Using nanomaterial to enhance the performance of medium voltage insulators and street lights considering environmental impacts | M Fazaee, M Abdoli, Tehran University, Iran, B Jamshidieini, AEPDC, Iran/Tehran University, Iran, N Eskandari, AEPDC, Iran |
1108 | Sensitivity analysis of earthing system impedance for single and multilayered Soil | V Vycital, D Topolanek, P Toman, M Ptacek, Brno University of Technology, Czech Republic |
1130 | Underground and Overhead Monitoring Systems for MV Distribution Systems | F Zavoda, IREQ (Hydro-Quebec), Canada, E Rodriguez, 3M, United States, G C Fofeldea, 3M, Canada |
1134 | Developement of long-term reliability evaluation method for polypropylene insulated MV cables | Y Jung, D Kim, B Lee, S Lee, KEPCO, Korea |
0091 | Comparative advantage of using GRP in compact substations | C Martinez Nieto, D Tϋrk, A Palgi, ABB, Estonia |
0138 | Proven reliability beyond the standards | I OrueI Gilbert, J Larrieta, S Sebastian, Ormazabal, Spain |
0212 | New HV/LV transformer substation within building intended for other non electrical uses with advanced functionalities | J Cormenzana, S Sebastian, Ormazabal, Spain |
0220 | Mastering all sub-assemblies of an MV circuit-breaker and racking truck system ensures reliability and robustness | D Serve, T Milan, C Mombard, J P Meley, E Frangin, Schneider Electric, France |
0229 | DC vacuum circuit breaker | L Liljestrand, M Backman, L Jonsson, ABB, Sweden, M Riva, ABB, Italy, E Dullni, ABB, Germany |
0230 | Environmental and safety aspects of AirPlus insulated GIS | M Hyrenbach, ABB AG, Germany, T A Paul, ABB Ltd, Switzerland, J Owens, 3M Company, United States |
0244 | Safety features in the design of MV circuit-breakers and switchboards | D Fulchiron, J-P Meley, P Pulfer, Schneider-Electric, France |
0250 | Transferred charge: indicator for vacuum applicability | M Leusenkamp, Eaton, China, G C Schoonenberg, Eaton, Netherlands |
0253 | Innovative underground distribution cabinet for low voltage network | N Santos, M Lagarto, C Rodrigues, EDP Distribuição, Portugal |
0345 | Influence of heat source location on the air temperatures in sealed MV switchgear | E Fjeld, W Rondeel, K Vaagsaether, University College of Southeast Norway, Norway, E Attar, ABB, Norway |
0349 | Estimating the temperature rise of load break switch contacts in enclosed MV switchgear | E Fjeld, W Rondeel, S T Hagen, University College of Southeast Norway, Norway, M Saxegaard, ABB, Norway |
0371 | Mitigate gas combustion in case of internal arc | J Douchin, Schneider Electric, France, Y Cressault, Toulouse University, France, R Danjoux, FLIR, France |
0372 | Extreme weather has become the norm - is your MV switchgear ready for it? | K Tandel, Schneider Electric, India, T Cormenier, Schneider Electric, France |
0385 | Hazard study of MV switchgear with SF6 alternative gas in electrical room | C Preve, R Maladen, Schneider Electric, France, G Lahaye, T Penelon, INERIS, France, M Richaud, S Galas, Universite De Montpellier, France |
0389 | Application of HFO1234zeE in MV switchgear as SF6 alternative gas | C Preve, R Maladen, Schneider Electric, France, D Piccoz, Piccoz SASU, France |
0475 | Meeting ecodesign efficiency requirements: ensuring accuracy in power transformer loss tests via TLM system calibrations | G Rietveld, E Houtzager, M Acanski, D Hoogenboom, VSL, Netherlands |
0486 | Pressure oscillation due to arcs in a closed container filled with air and SF6 | M Kotari, T Tadokoro, S I Tanaka, M Iwata, Central Research Institute of Electric Power Industry, Japan |
0604 | Comparative study on arc extinction process under air, CO2 and SF6 gas blasting using two-dimensional electron density imaging sensor | Y Inada, Saitama University, Japan, S Yamaguchi, A Kumada, H Ikeda, K Hidaka, The University of Tokyo, Japan, T Nakano, K Murai, Y Tanaka, Kanazawa University, Japan |
0614 | Low-current interruption in SF6-alternatives | M Saxegaard, E Attar, M Kristoffersen, H Landsverk, O Granhaug, ABB, Norway, A Di-Gianni, S Scheel, ABB, Switzerland |
0658 | RMU with eco-efficient gas mixtures: field experience | M Kristoffersen, T Endre, M Saxegaard, P A Wang, ABB, Norway, M Hyrenbach, ABB, Germany, D Harmsen, T V Rijn, R Vosse, Liander, Netherlands |
0767 | Mitigate arc effects within an E-house | J Douchin, A Clavel, Schneider Electric, France, A Brown, Schneider Electric, Singapore, J Rintala, Schneider Electric, Finland |
0795 | Characteristics of g3 - an alternative to SF6 | Y Kieffel, F Biquez, D Vigouroux, P Ponchon, GE Grid Solutuions, France, A Schlernitzauer, R Magous, G Cros, University of Montpellier, France, J G Owens, 3M, United States |
0819 | Holistic evaluation of the performance of today's SF6 alternatives proposals | S Kosse, P G Nikolic, G Kachelriess, Siemens AG, Germany |
0852 | Stress on outer cable connection of MV gas insulated switchgear due to cable thermal expansion at rated current | J Snajdr, R Huck, P Novak, Schneider Electric, Germany, J P Bentley, Schneider Electric, France |
0872 | Difference between switching of motors and generators with vacuum technology | K R Venna, H Urbanek, N Anger, Siemens AG, Germany |
0943 | Developing testing procedures for high voltage innovation technologies | D Hardman, N Murdoch, WSP | Parsons Brinckerhoff, United Kingdom, J Berry, Western Power Distribution, United Kingdom |
1069 | How to select auxiliary relays for isolation applications | N Calvo Cuadra, S Rementeria, Arteche, Spain, R Calister, Arteche, Brazil |
1100 | Power hardware-in-the-loop setup for power system stability analyses | R Brandl, T Degner, Fraunhofer IWES, Germany, M Calin, DERlab e.V., Germany |
1268 | A high short-circuit impedance power transformer versus short-circuit limiting reactance | M Zouiti, Enedis, France, A Kirche, O Moreau, EDF, France |
0004 | Introducing the new product line of regulated distribution transformer Cooperation of Siemens AG and A. Eberle GmbH and Co. KG. | S H Hoppert, A Eberle GmbH and Co. KG., Germany, L K Kelemen, Z N Nádudvari, G V Vörös, Siemens, Hungary |
0086 | Power router based on conventional three phase bridge inverter and DC-DC converter | L Ren, C Zhang, M Du, Tianjin University of Technology, China |
0110 | Field trial results of power electronics in LV distribution networks | C Newton, S C Terry, Ricardo Energy and Environment, United Kingdom, P Lang, UK Power Networks, United Kingdom |
0137 | A novel micro PMU for distribution power lines | X Wang, X Xie, S Zhang, L Luo, Y Liu, G Sheng, X Jiang, Shanghai Jiao Tong University (SJTU), China, X Cheng, Beijing Electric Power Research Institute, China |
0207 | Line voltage regulator based on magnetic-controlled inductors for low voltage grids | M Holt, J Maasmann, C Rehtanz, TU Dortmund University, Germany |
0226 | Fault sensors | M Scarabeli, G Ortenzi, J Aith, Elektro, Brazil |
0328 | Managing the maturity of decision-support data for extending lives of MV cables | Q Zhuang, GEIRI Europe SGCC, Germany, J Janssen, N Steentjes, Liander, Netherlands |
0348 | Beyond grid integration of renewables - Voltage Regulation Distribution Transformers (VRDT) in public grids, at industrial sites, and as part of generation units | M Sojer, W Hofer, Maschinenfabrik Reinhausen GmbH, Germany |
0391 | Compatibility of a G3PLC telecom solution on a three phase 230 V network | H Halluin, H Grandjean, ORES, Belgium, G Ethève, Enedis, France, A Jeandin, EDF RandD, France |
0413 | Contribution of augmented reality to the maintenance of network equipment | M Cordonnier, S Martino, C Boisseau, S Paslier, J P Recapet, F Blanc, Enedis, France, B Augustin, EDF RandD, France |
0417 | Evaluation of the mountability of the medium voltage accessories | H Tanzeghti, A Kirche, Enedis, France |
0479 | Maintenance of street lights by climbing robots in Alborz Electric Power Distribution Company | N Eskandari, M Rafiei, E Abooei, AEPCS, Iran, B Jamshidieini, AEPCS, Iran, Tehran University, Iran |
0519 | LVDC RULES - technical specifications for public LVDC distribution network | P Nuutinen, T Kaipia, J Karppanen, A Mattsson, A Lana, A Pinomaa, P Peltoniemi, J Partanen, Lappeenranta University of Technology (LUT), Finland, M Luukkanen, Ensto Finland Oy, Finland, T Hakala, Elenia Oy, Finland |
0546 | Accurate on-line fault location and PD activity location results obtained with SCG - a long term utility experience | D Harmsen, S Lamboo, F Van Minnen, Alliander, Netherlands, P Wagenaars, DNV GL, Netherlands |
0681 | Using smart grid sensors and advanced software applications as an asset management tool at Hydro Ottawa | D Sabin, Electrotek Concepts, United States, G MacLeod, Current Power Services, Canada, M Wojdan, Hydro Ottawa, Canada |
0709 | Sensor technology in a medium voltage switchgear for the US market applications | P Milovac, IEM, United States, R Javora, ABB, Czech Republic, V Skendzic, SEL, United States |
0715 | Continous safeguarding of rating accuracy | M Olschewski, P Schaefer, W Hill, LIOS Technology GmbH, Germany |
0737 | Improve the reliability of MV underground links by using long cable | H Tanzeghti, Enedis, France, Y Brument, F Gaillard, EDF RandD, France |
0820 | Full-scale case study of a road crossing thermal bottleneck in a buried MV cable installation | E Eberg, S M Hellesø, S Hvidsten, SINTEF Energy Research, Norway, K Espeland, REN AS, Norway |
0832 | A new smart distribution transformer with OLTC for low carbon technologies integration | L Del Río Etayo, A Soto, A Ulasenka, ORMAZABAL Corporate Technology, Spain, P Lauzevis, ENEDIS, France, P Cirujano, G Perez De Nanclares, ORMAZABAL COTRADIS, Spain |
0835 | Opportunities to use satellite technologies for asset condition monitoring of power networks under the European Space Agency's Integrated Applications Promotion (IAP) programme | I Downey, ESA IAP Ambassador Platform, United Kingdom, M Segovia, C Harrison, University of Strathclyde, United Kingdom |
0882 | Low-power voltage transformers for use with separable connectors in MV secondary gas insulated switchgear - new challenge for standardisation | R Javora, V Prokop, ABB s.r.o., Czech Republic, E De Ridder, S Mensaert, Nexans, Belgium |
0895 | Analysis of failure in power cables for preventing power outage in Alexandria Electricity Distribution Company in Egypt | A Attia, Alexandria Electricity Distribution Company, Egypt |
0922 | Cyclic rating of wind farm cable connections | R Chippendale, J Pilgrim, University of Southampton, United Kingdom, A Kazerooni, WSP | Parsons Brinckerhoff, United Kingdom, D Ruthven, SP Energy Networks, United Kingdom |
0933 | Complete MV-BPL communications solution for large AMI and grid automation deployments | J Aguirre Valparis, A Amezua, J A Sanchez, Ormazabal, Spain, A Sendin, J Simon, Iberdrola, Spain, S Dominiak, HSLU, Sitzerland |
0941 | Steady-state modelling for the integration of a bi-directional AC-DC-AC flexible power link | J King, N Murdoch, WSP | Parsons Brinckerhoff, United Kingdom, J Berry, Western Power Distribution, United Kingdom |
1048 | Information and communication architecture for transmission power line inspections using unmanned aircraft system | R Z Homma, Celesc, Brazil, C SzymanskiInerge/Evoluma, Brazil, R Ávila Faraco, Inerge/Unisul, Brazil |
1104 | Improving reliability by focusing on the quality and condition of medium voltage cables and cable accessories | O Siirto, J Vepsäläinen, A Hämäläinen, M Loukkalahti, Helen Electricity Network Ltd, Finland |
1193 | Analysis of the recognition and localisation techniques of power transmission lines components in aerial images acquired by drones | R Z Homma, Celesc, Brazil, O SohnR C Bose, INERGE, Brazil |
1215 | Survey of market prospects and standardisation development needs of LVDC technology | T Kaipia, Lappeenranta University of Technology, Finland, P Sebellin, International Electrotechnical Commission, Switzerland, V Mahendru, Legrand India, India, K Hirose, NTT Facilities, Japan, W De Kesel, Legrand Group, Belgium, G Luber, R Pelta, Siemens AG, Germany, D Goswami, Bureau of Indian Standards, India |
0008 | Improvement of duval triangle 1 | S Spremić, EPS Technical Centre Novi Sad, Serbia |
0039 | Battery anomaly and degradation diagnosis for renewable energy plant | J Zhang, L Geng, Y Ma, Hitachi (China) Research and Development Corporation, China |
0042 | Dealing with in-field repair tasks of large power transformers | J L Martínez, Edenor, Argentina |
0103 | Monitoring systems for secondary substations - a comparative study | J Johansson, H Sporre, L Selberg, O Hansson, Ellevio AB, Sweden |
0149 | Combining statistics and physics to rank circuit breakers on condition | E Tazelaar, D Breteler, J van Tongeren, Alliander, Netherlands, R Stijl, Bearing Point, Netherlands |
0206 | Analysis of rusty closed type switchgears | K Morii, Kansai Electric Power Co. Inc. Japan |
0263 | Smart asset management using online monitoring | D Courtney, Embedded Monitoring Systems, United Kingdom, J Livie, Scottish Power Energy Networks, United Kingdom, T Littler, Queen's University, United Kingdom |
0273 | Design and demonstration of a wireless sensor network platform for substation asset management | N T Huynh, ECE Associates Ltd, United Kingdom, V Robu, D Flynn, Heriot-Watt University, United Kingdom, S Rowland, G Coapes, Siemens, United Kingdom |
0283 | Experience of the applications of FRA methodology to evaluate short-circuit tests in distribution transformers | D Tourn, S Nesci, J C Gomez, L Sanchez, UNRC, Argentina |
0296 | Frequency response analysis for exact power transformer impedance | M Hiraide, T Nakajima, T Koshizuka, Tokyo Denki University, Japan, H Ikeda, Y Taniguchi, E Haginomori, The University of Tokyo, Japan, N Harid, N Al Sayari, B Barkat, A Devadiga, The Petroleum Institute, United Arab Emirates |
0322 | How to control the impact of the severe environments surrounding medium voltage switchgear | T Cormenier, P Veuillet, V Ferraro, Schneider Electric, France |
0326 | An innovative approach towards an algorithm for automated defect recognition for on-load tap changers | F Riaz, J Wetzer, DNV GL Energy, Netherlands, A Rodrigo Mor, TU Delft, Netherlands |
0415 | Modular online monitoring system to allow condition based maintenance for medium voltage switchgear | K Perdon, M Scarpellini, S Magoni, L Cavalli, ABB S.p.A, Italy |
0445 | Maximise asset availability and reduce maintenance costs - an integrated approach combining condition assessment with data analytics | A Hauser, B Fenski, ABB AG, Germany, L Cavalli, ABB SpA, Italy |
0539 | Comparisons of transformer top oil temperature calculation models using support vector regression optimised by genetic algorithm | T Qian, W H Tang, W J Jin, South China University of Technology, China, L Gan, Y Q Liu, G J Lu, Guangzhou Power Supply Co. Ltd., Guangzhou, China |
0541 | Fault diagnosis of high-voltage circuit breakers using wavelet packet technique and support vector machine | W J Jin, W H Tang, T Qian, T Y Ji, South China University of Technology, Guangzhou, China, L Gan, Y Q Liu, G J Lu, Guangzhou Power Supply Co. Ltd., China |
0657 | Data analysis of battery storage systems | M Andoni, W Tang, V Robu, D Flynn, Heriot Watt University, United Kingdom |
0665 | Evaluation of lifetime of air insulated switchgear versus service conditions in MV substations | Y Tits, H Van Lijsebeth, Laborelec, Belgium, W Demaesschalck, W Van Vaerenbergh, Eandis, Belgium, P Thiry, Ores, Belgium, B Godeau, Elia, Belgium, M van den Berg, Sibelga, Belgium |
0698 | Design and successful utilisation of the first multi-purpose mobile distributed energy storage system in Iran | N Nakhodchi, N Aghli, S Alishahi, M H Pourarab, MEEDC, Iran |
0703 | Reliability measures: failure and root cause analysis (FRCA) for GIS early failure | M Lee, M Park, Y Kim, LSIS, South Korea |
0752 | A novel approach for wide area real time health condition assessment of the power circuit breakers | L Maruša, A Souvent, S Vižintin, EIMV, Slovenia, R Maruša, ELES d.o.o., Slovenia |
0774 | Analysis of condition and risk based maintenance planning for MV/LV substations | P Köhn, A Schnettler, RWTH Aachen University, Germany, N Schultze, SAG GmbH, Germany |
0796 | Switchgear operating personnel safety upgrade solutions for aged installed base | C Gemme, P Bassi, G Magno, ABB, Italy |
0839 | Advance control and monitoring in secondary substation - project UPGRID | S Noske, D Falkowski, ENERGA-OPERATOR SA, Poland, A Babs, Institute of Power Engineering, Poland |
0840 | New soft sensors for distribution transformer monitoring | J F Tissier, J Cornet, ITRON, France |
0846 | SPEN switchgear life extension strategy | A Santandreu, D Neilson, SP Energy Networks, United Kingdom |
0876 | Management and easy communication of temperature rise on distribution cast resin transformers connections linked to network during the life of transformer and/or after installation | A Hammen, G Ranalletta, C Macri, Schneider Electric, France |
0894 | Field testing of a wideband monitoring concept at MV side of secondary substation | B A Siddiqui, P Pakonen, P Verho, TUT, Finland |
0952 | Power and asset monitoring strategy to facilitate a smart network | A Elena de Leonardo, K Lennon, A Beddoes, M Bebbington, SP Energy Networks, United Kingdom |
0989 | Natural esters for life and capacity enhancement of distribution transformers | R Pillai, F Havaldar, C Chitnis, The Tata Power Company Ltd, India |
1001 | Economical and practicable condition assessment of MV- and LV- distribution grids | C Johae, D Beerboom, E Pawlowski, M Zdrallek, Wuppertal University, Germany, N Schultze, SAG GmbH, Germany, R Timmreck, Stadtwerke Iserlohn GmbH, Germany |
1053 | Application of enhanced thermal ratings to primary substation transformers | I Elders, K Bell, University of Strathclyde, United Kindgom, K Smith, A Collinson, Scottish Power Energy Networks, United Kingdom |
1078 | Teardown of a compact distribution transformer after twelve years of severe loading conditions | V Vasconcellos, CPFL Energia, Brazil, A Sbravati, Cargill CIS, Brazil, K J Rapp, Cargill CIS, United States, L C Zanetta Jr, PEA USP, Brazil |
1098 | Improving Asset Management with Online Partial Discharge Monitoring of Ring Main Units and Secondary Substations | C Eastham, D Longo, K Tavernier, L Pickford, IPEC Ltd., United Kingdom |
1102 | Experimental study of dynamic thermal behaviour of an 11 kV distribution transformer | R Villarroel, Q Liu, Z Wang, The University of Manchester, United Kingdom |
1174 | Health index as condition estimator for power system equipment: A critical discussion and case study | J H Jürgensen, A Scheutz Godin, P Hilber, KTH, Sweden |
1262 | Power transformer’s monitoring system for better asset management | S Ceferin, G Janc, Kolektor Sisteh d.o.o., Slovenia, Z Toroš, T Kastelic, Elektro Primorska d.d., Slovenia, B Prašnikar, Kolektor Etra d.o.o., Slovenia |
1308 | Managing on-load tap changer life cycle in TNB Distribution Power Transformers | Y Z Yang Ghazali, Tenaga Nasional Berhad, Malaysia |