Symposium Cape Town - 2015

Summary

1. System development and Operations

11 - International standardization of power electronics for electrical systems based on CIGRÉ SC B4/IEC SC 22F/TC 115 cooperation - Current and future technical network solutions, standardization - Lev TRAVIN (Russia) , Marcus HAEUSLER (Germany), Mohamed RASHWAN (Canada)
12 - 220kV City Power Grid Maximum Loadability Determination with Static Security-Constraints - K.Q. Wang, S.G. Sun, H.Y. Wang, C.X. Jiang, Z.X. Jing (China)
13 - Transient Stability Improvement Using Series Reactors: Scheme Design Considerations - Dr GD. Jennings, LNF de Villiers, A. Perera, AJS. Groenewald, A. Bartylak, MHL. Bower (South Africa)
14 - An overview of the nigerian electricity supply and installation standards regulations - Tasiu S. G. Wudil, FNSE, SMIEEE, Lawal Y. Lawal MNSE, MIEEE, Ademola Q. Adedokun MNSE, Mary E. Awolokun, FNSE (Nigeria)
15 - Aspects to consider when dealing with vegetation fires and power lines - H.F. VOSLOO, P.F FROST (South Africa)
16 - Developing new and existing electrical systems - the challenges in the standardisation of overhead line designs - J. DOYLE, T. CONDON (Ireland)
17 - Infrastructure Resilience: Regional and National Blackout Planning - M. Van Harte, R. Koch, A. Nambiar, G Hurford, T Smit, S. Joseph, G. Loedolff and U. Heideman

2. Substations

21 - Case Study: Desktop Comparison between AIS and GIS for a 765/400 kV Breaker and a Half Substation - E. NAICKER and K. NAIDOO (South Africa)
22 - Investigation into the electrical properties of crusher stone used in substation earthing systems - TJ. MARAIS (South Africa)
23 - Design considerations in the uprating of substation nominal voltage from 400KV to 500KV in the Eskom network - E. NAICKER, A. J. S. GROENEWALD, Y. MOODLEY (South Africa)
24 - Maintaining equipment and function compatibility following break-down maintenance - GERT MADONSELA and THEUNUS MARAIS (South Africa)
25 - Safe Groundmat Design for Grid Connection Substations at Wind Energy Facilities - N. Thekkumpuram, Pr. Eng, P. König, Pr. Eng, CEng, R. Coney, Pr. Eng, CEng,
M. Khan (South Africa)
26 - Cost Of Un-served Electric Energy in Distribution Networks affecting User groups - P. P. D’Lima, D. Coates (New Zealand)
27 - A Novel Solution for Transformer Earth Fault Branch Detection by using Correlation Coefficient Method - Yin Liangfang, Xiao Yuanqing, Nie Juanhong, Cui Chenfan, Wang Bin (China)

3. System development and Transmission expansion

31 - The situation of UHV AC transmission system & its standardization - L. YAO B.LI, E. ZAIMA (China), K. UEHARA, Y. SHIRASAKA (Japan), B. N. DE BHOWMICK (India)
32 - High Power GIS Solutions for a Changing Transmission World - P. RUDENKO, P. GLAUBITZ, K. ZUBER (Germany)
33 - Artificial Intelligence for Transmission Expansion Planning in Sub-Saharan Africa - M. Costeira da Rocha (South Africa), J. Tomé Saraiva (Portugal)
34 - How to fit the strategy to respond to the challenges of the future overhead lines ? - P. PENSERINI, A. TRIOUX (France)
35 - Technical performance of transmission system in Southern Africa - How to relate to economic growth - Dz Muftic, G Kruse, A Galbraith, E Boutros
36 - Develop broadband using the power grid: A mutual benefit for the Transmission Operators and for the country as a whole - Bruno MEYER (France),Daniel SAMPAH (Ivory Coast)
37 - Large interconnectors between countries and from bulk electricity generation - Alessandro Clerici, Antonio Ardito, Vincenzo Asceri, Francesco Rizzo (Italy)

4. Quality of Supply and Performance

41. Power quality standardisation in the context of developing countries - Power quality standardisation in the context of developing countries - U Minnaar, B Peterson, P Johnson (South Africa)
42 - A south African review of harmonic emission level assessment - B. Peterson, J. Rens, U. Minnaar, G. Botha, J. Desmet (South Africa)
43 - Verification of a Rotor Angle Measurement Method using Synchrophasor Techniques Including an Out-of-step Measurement Example - BWD Berry, MA Edwards, KJ Nixon (South Africa)
44 - Resonance overvoltages in single and split winding wind turbine step-up transformers - Cedric A. Banda, John M. Van Coller, Jorge del Pozo, Lee T. Mbenge (South Africa)
45 - Effects of non-uniform current density in transformer foil windings - B. NDWANDWE, G. NGWENYA, M. HLATSHWAYO (South Africa)
46 - Analysis on service performance of hollow composite insulators used on UHV GIS bushing- SUN Gang, WU Guang-ya, ZHANG Rui, MA Bin, WU Wen-hua (China)

5. Lines - Uprating & Telecoms

51 - Practical Comparison of Powerline Uprating and Upgrading Results - GREG LANDWEHR, RUDI NEL, PIERRE MARAIS (South Africa)
52 - Case study on increasing the transport capacity of 220kV OHL IERNUT - BAIA ASE STUDY ON INCREASING THE TRANSPORT CAPACITY OF 220 kV OHL Iernut-Baia Mare by reconductoring using live working technologies
53 - High Capacity AC Transmission Lines - The Brazilian Experience - F. C. DART, C. K. C. ARRUDA, R. W. GARCIA, O. REGIS JR (Brazil)
54 - Compact OHTL insulation - Future trends and technologies - LEHRETZ, Fabian SEIFERT, Jens Martin (Germany), TROPPAUER Wolfgang (Austria)
55 - DIielectric telecommunication lines in high electric field environments - proposed solutions to problems from field reports - P.H Pretorius, H.J Geldenhuys (South Africa)
56 - Investigating the concept of fraunhofer lines as a potential method to detect corona in the wavelength region 338.67nm - 405nm during the day - NM, NATTELE MAISTRY, JVC, JOHN VAN COLLER and RAS, ROBERT ANDERSON SCHUTZ( South Africa)

6. Distribution and electrification

61 - Electrifying Rural Areas in Developing Countries: Best Practices and Case Study of Hybrid System - A. Dimitriou, P. Kotsampopoulos, N. Hatziargyriou (Greece)
62 - Distribution voltage control by Line Voltage Regulator (LVR) - M. CARLEN (Switzerland), F. CORNELIUS (Germany), I. BUSCHMANN (Germany), J. TEPPER (Germany), B. HOURIET (Switzerland), M. MÜRNER (Switzerland), H. WIESLER (Switzerland), A. SLUPINSKI (Germany), B. BUCHHOLZ (Germany)
63 - Reliability Analysis and Improvement of a Power Distribution Network using Selected Smart Technologies - GC Dumakude, AG Swanson, R Stephen, IE Davidson (South Africa)
64 - Feeding isolated areas - Alessandro Clerici, Antonio Ardito, Francesco Begnis, Francesco Rizzo (Italy)
65 - Renewable energy sources integration for off-grid electrification using Battery Energy Storage Systems - F. PALONE, M. REBOLINI, R. POLITO, A. NECCI, A.C. TORTORA, G. CRUGNOLA, I. DONÀ, S. LUPATINI, N. ZANON (Italy)
66 - An integrated framework to value electricity demand management and manage its uncertainty characteristic

7. Overhead Lines - Earthing and safety

71 - Application of counterpoise in the reduction of tower footing resistance - low frequency design and case study - P.H Pretorius, B. Ntshuntsha, S. Ramadhin (South Africa)
72 - Investigating the Health Long Term Effects of the Electromagnetic Low Frequency Fields and Possible Mitigation Techniques in the Cases of the 400 kV Live - Line Workers and HV Substation Personnel - A.DINCA, G. A. FLOREA, M. OLTEAN, L. LIPAN (Romania)
73 - Full scale seismic testing on 380 kV latticed steel tower - Real scale testing - Current and future technical network solutions, standardization - P. BERARDI, A. PICCININ, A. POSATI, M. REBOLINI, G. BERGAMO, F. GATTI, L. MAZZA (Italy)
74 - Determining ground stability over previously open-cast mining areas - D Fenn, DA Dukhan, WH Combrinck (South Africa)
75 - Optimum power line transmission tower foundation system(s) for specific tower types in certain soil and terrain conditions in South Africa - S. Bisoon Dayal, D.A. Dukhan (South Africa)

8. Measurements and mitigation

81 - An Improved Threshold Method for Partial Discharge Location in Power Cables - Wei Zhang, Pingyin Hou, Xijie Zhang (China)
82 - A Life Cycle Comparison of Medium Voltage Fault Level Management Technologies Employed by Power Utilities and Recommendations on - Future-Proofing the South African Electrical Grid - M.F. Khan, A.L.L. Jarvis, R.G. Stephens (South Africa)
83 - The Influence of Phase Disposition of AC Grids on the Harmonic Distortion of Line-Commutated Converter based HVDC Systems - CHRISTOPH HAHN, PHILIPP GLÜCKER, MATTHIAS LUTHER (Germany)
84 - Field Measurements and Simulations of Ion Currents in Grounded Conductors Close to Coronating DC Lines - M. PFEIFFER, C. FRANCK (Switzerland), A. GRAVELMANN, B. RUSEK, S. STEEVENS, K. KLEINEKORTE (Germany)
85 - Falling live 12.7 KV conductor arcing on impact to earth - Michael J. LEE (Australia)

9. Overhead Lines Mechanical Research

91 - Calculation and analysis on mechanical strength of UHV hollow composite insulator by finite element method - WU Guang-ya, SUN Gang, ZHANG Rui, MA Bin, WU Wen-hua (China)
92 - Learnings from field failures of guyed tower stay hardware - Mr C F Bolland (South Africa)
93 - Condition assessment of Cahora Bassa insulators removed during re-insulation of the line: preliminary results - G.B. NALOMO, M.D. NTSHANI, N. MAHATHO (South Africa)
94 - Leadership Components of Successful Project Managers - V. Naidoo (South Africa)
95 - Long distance transmission (AC and DC) in southern Africa - P. Naidoo, R. Vajeth, Dz. Muftic (South Africa)
96 - Standardized construction methods for overhead transmission lines - Cornelius Johannes Henderson (South Africa)
97 - Galloping on Overhead Lines and Protection Methods Applied on the 400 kV OHL in Romania. A new version of Antigalloping device (TDD 2.3- RO) - G.A. FLOREA, M. FLOREA, S.TIBULIAC, M. OLTEAN (Romania), E. MATEESCU, J.-L. LILIEN (Belgium), A. VINOGRADOV (Russia)

10. HVDC Networks

101 - Selection and dimensioning of DC overhead line insulation - L. L. VLADIMIRSKII (Russia)
102 - Innovative HVDC Solutions enhancing AC Systems - C. BARTZSCH, M. HAEUSLER (Germany)
103 - Improving Power System Stability of South Africa’s HVAC Network Using Strategic Placement of HVDC Links - KNI MBANGULA, IE DAVIDSON, R TIAKO (South Africa)
104 - HVDC link Kenya-Ethiopia – Ground Electrodes Site Selection - Paulo Edmundo da Fonseca Freire (Brazil), Stefano Malgarotti (Italy), Eng. John N. Githinji (Kenya)
105 - Connecting Africa with HVDC - JAN WASBORG, BO NILSSON

11. Overhead Lines - Structures

111 - Practical Case Study: Statistical dimensioning of insulators for use in extreme pollution environments - KD KLEINHANS, T GOVENDER, WL VOSLOO AND R SWINNY (South Africa)
112 - The Analysis of the impact of changing standards on the steel support structures of high voltage overhead lines in Poland - ROBERT CZYZ, PIOTR WOJCIECHOWSKI, MARCIN TUZIM (Poland)
113 - Comparison of HVDC Tower layouts for a transmission capacity of 4 GW - THOMAS BUTSCHEN, BARTOSZ RUSEK, STEFAN STEEVENS, KLAUS KLEINEKORTE (Germany)
114 - Comparison of multi-circuit pylon options: Overview of support options using steel poles to support a quadruple circuit 2x500kV + 2x132kV multi-circuit pylon - PIERRE MARAIS, GRAEME LOUW (South Africa)
115 - Appropriate support design philosophy for HV lines and structural optimisation of small lattice towers - PIERRE MARAIS, ROBINA MACARIO (South Africa)
116 - Composite insulators subjected to Aeolian vibrational loads of overhead conductors - K.A. Ntambwe, R.C. Loubser, P. Moodley (South Africa), K.O. Papailiou (Switzerland)

12. System Ops and Control

121 - Community promotion of ECGLC energy sector : key role of the new regional dispatching centre of Kamanyola - G. PIETRANGELI, S. GALANTINO, I. COLUCCI (Italy), C. KAYITENKORE (Burundi)
122 - Optimal energy management and control for an isolated area - Quoc Tuan TRAN, E. AMICARELLI, N. MARTIN, M. PERRIN (France)
123 - Restoring operational performance in electrical utilities - Importance of sharpening O&M skills and sales forces. The example of Congo - Eric LE TINIER, Jean Luc FARGES (Républic of Congo)
124 - Intelligent Solutions for Transmission Power Systems - Skok S, Kirincic V,Brnobic D, Rubesa R, Daidzic I, (Croatia)
125 - A review of pattern of operation and maintenance of power transformers in Nigeria - L. C. EKECHUKWU PhD, MNSE, T. C. MADUEME PhD, MNSE, MNIEEE (Nigeria)

13. Renewable Energy 1

131 - Market Analysis and Conceptual Transmission Alternatives for Inga 3 Project - LEI XIAOMENG, CHI ZHENBO, LI BING (China)
132 - Replacing an existing synchronous generator motor with a variable speed double fed induction machine in a Pump Storage Scheme - Jean-Louis DROMMI (France) , Thiébaut KLEIN (Switzerland)
133 - Assessment of Locally Manufactured Small Wind Turbine Technology - K. LATOUFIS, T. PAZIOS, N. HADJIARGYRIOU (Greece)
134 - Non-programmable RES and their impacts on power systems: the Italian case - A. CLERICI, B. COVA, G. CALLEGARI, A. ARDITO (Italy)
135 - Analysis of strategic MV-integrated PV generation on rural farming areas in the Western Cape - Z Lincoln (South Africa)

14. System Resilience

141 - Forensic Engineering for a Transmission Line Failure - Raghavendra Kulkarni, John McCormack
142 - Infrastructure Resilience: Regional and National Blackout Planning - M Van Harte, R Koch, A Nambiar, G Hurford, T Smit, S Joseph, G Loedolff and U Heideman
143 - Standards Are Not Enough! Challenges of 61850 Interoperability - DARYL COWIE, P.Eng (Canada)
144 - The Contribution of CIGRE to the Development of African Electrical Power Systems - M.DIARRA (Niger)
145 - Evaluation of lauric oils as comparative preferred options to hydrocarbon mineral oil, as coolant and insulation in power transformer operation for Sub-Saharan Africa - L. C. EKECHUKWU PhD, MNSE, T. C. MADUEME PhD, MNSE, MNIEEE (Nigeria)

15. Renewable Energy 2

151 - Eskom Distribution approach to optimize networks with high level renewable generation penetration - M. BELLO, D. CHETTY and J. HORNE (United Kingdom)
152 - Ensuring IEC/TS reliability of photovoltaic (PV) systems using international standards and the IECRE conformity assessment system - G. Kellya, A. Häringb, E. Spoonerc, G. Balld, S. Kurtze, G. Volbergf, J. Brucknerg
153 - Renewable integration in Sub- Saharan Africa: challenges & opportunities - Nicholas W. MILLER, Alassane NDOUR (USA)
154 - Enhancing grid code compliance assessment of renewable power plants by utilizing automated simulation studies - WA YUILL, C CARTER-BROWN (South Africa)
155 - Solar photovoltaic energy output forecasting for the South African power - A Pillay, R Stephen, H Geldenhuys, J van Coller (South Africa)
156 - Adapted simulation tools for renewable energy integration in electricity system decentralized solutions for generation and network to deliver to isolated rural areas (CIGRE SC C6, IEC TC82) - Clément AMERIGO, Vincent ARTIGOU, Laura DALE (France)
157 - Danish and South African experience in operating distribution networks with renewable energy generation - Birk Sylvest Andersen, Niels Andersen (Denmark), Rodney Jose (South Africa)