Technical Program


Plenary Session Program 



9.00 9.45 Opening Ceremony
Laurent TARDIF, President JICABLE
Marco MARELLI, Chairman CIGRE SC B1 Michel PAYS, HVDC'21 Organisation Committee
Fréderic DUNON, Elia Transmission Belgium Chief Officer Customers, Market & System
Prof. Dr Ing Ernst GOCKENBACH, President HVDC'21 International Scientific & Technical Committee Leibniz University Hanover

9.45 11.00 Session 1: Conception, design, manufacturing of all types of HVDC cables and accessories/material
Rapporteur: Servane HALLER, Supergrid Institute, France

1.1. High voltage DC: from innovation to operation by Ramona HUUVA, from Borealis, Sweden

1.2. Emerging material technology in HVDC cable insulation by Lisheng ZHONG, Xi’an Jiaotong University, China 

1.3. Design topic as filled-type DC XPLE supplier, by Shoji MASHIO from Sumitomo Electric, Japan

1.4. Evolution of leakage currents during HVDC prequalification tests by Espen DOEDENS from Nexans, Norway

11.00 11.30 Coffee Break

11.30 12.45 Session 2: Conception, design, manufacturing of all types of HVDC cables and accessories/material
Marco MARELLI, Prysmian Group, Italy
Rapporteur: Michel PAYS, Jicable, France

2.1. Methodology for research and development of HVDC accessories with emphasis on research results of material characterization and its use for FEA modelling by Ivan JOVANOVIC, Director Engineering Specialty Products from G&W Electric (USA)

2.2. Space charge measurement techniques to evaluate insulating materials for HVDC cables by Yasuhiro TANAKA from Tokyo City University, Japan

2.3. Design of 400 kV and 525 kV DC accessories and system qualification with focus on Twin-plug by Paolo BOFFI, from Prysmian Group, Italy and Mohamed MAMMERI, from Prysmian Group, France 

2.4. Full scale cable degassing study on baskets and drums by Markus JARVID, from Nexans, Norway 

12.45 – 14.00 Lunch break

14.00 15.15 Session 3: The different aspects related to the insertion of HVDC cable systems in an existing UHV network 
Roland DONGPING ZANG, Tennet, Germany
Rapporteur: Yannis CORLU, RTE, France

3.1. Influence of voltage transients on the evolution of partial discharges and their harmfulness in HVDC cables by Hadi NADERIALLAF, Paolo SERI, from LIMES University of Bologna (Italy) and Gian Carlo MONTANARI from Center for Advanced Power Systems (CAPS) of the Florida State University at Tallahasse (USA)

3.2. Transient overvolatges stresses caused by faults in HVDC cable systems and their simulation in the laboratory by Dr. Heiko JAHN, from Kema Labs, Germany 

3.3. Parallel operation of two VSC-HVDC links with grid forming controls by Sébastien DENNETIERE and alii, from RTE, France 

3.4.Solutions for the step-wise development of HVDC-based high power corridors by Serge POULLAIN, Joan SAU BASSOLS, from Supergrid Institute, France 

15.15 – 15.45 Coffee Break

15.45 – 16.45 Session 4: Electric transient overvoltages affecting the cable systems and converting devices in operation - MVDC applications 
Chairman: Uberto VERCELOTTI, CESI SpA, Italy
Rapporteur: Christophe MOREAU, EDF R&D, France

4.1. Return of experience on IFA2000 LCC 270 kV by Mohamed MAMMERI, Prysmian Group, France

4.2. Application of new high temperature ducts on IFA2 interconnector by S. HASCOET and Y. DELANNE, RTE, France, J. MANSON and J. SANTANA, Prysmian Group

4.4. On the specificities of medium voltage cable systems for DC applications by Martin HENRIKSEN, Ludovic BOYER, from Supergrid Institute, France 

17.00 – 19.00 Young Researchers Poster Session (read more)

20.00 – 23.00 HVDC'21 Gala dinner at Van der Valk Hotel Sélys Liège



9.00 – 9.45 Session 5: Cable system testing and test results 
Chairman: Uberto VERCELOTTI, CESI SpA, Italy
Rapporteur: William BELE, RTE, France

5.3. Preliminary results on investigational chopped impulse test on HVDC cable systems, by P. HONDAA, P. PRIEUR, from RTE, G. DENCHE, José-Manuel ARGUELLES, from REE, A. FUSTIER, N. GUERRINI, F. PADILLO, Lluis-Ramon SALES, from Prysmian Group 

5.4. Towards defining new requirements for dynamic stress testing of HVDC cable systems up to 525 kV by Tanumay KARMOKAR, Dr. Roland DONGPING ZHANG from TenneT TSO GmbH, Germany, Kees KOREMAN, Robert-Jan DE BES from TenneT TSO BV, The Netherlands

9.45 – 10.15 Coffee Break

10.15 – 11.30 Session 6: European and worldwide onshore and offshore projects 
Chairman: Pieter LEEMANS, Elia, Belgium
Rapporteur: Pierre MIREBEAU, Jicable, France

6.1. Allegro Project by B. MAMPAEY, from Elia, Belgium, T. WINKEL, from Amprion, F. CHARLES and Mohamed MAMMERI, from Prysmian Group, France 

6.2. Impact of HVDC grid protection on DC cable transients by Willem LETERME, Dirk VAN HERTEM, Mudar ABEDRABBO, Mian WANG, Geraint CHAFFEY from KU Leuven/EnergyVille, Belgium

6.3. HDVC underground interconnection 525 kV DC  solutions by Stefano COTUGNO and Giovanni POZZATI, from Prysmian Group, Italy 

6.4. HVDC-solutions in interconnector systems: a) the first offshore interconnector in the Baltic Sea by linking two national offshore wind farm connections; b) upgrading an existing interconnector system with LCC converters by a cable with extruded insulation; c) options for cable section stations in new interconnections to enable reduced outage times by Marie-Christine SCHIMMELMANN, Frank RICHTER and Clemens UNGER, 50Hertz Transmission GmbH, Germany

11.30 12.30 Closing Session

Global interconnection for a sustainable electricity system: CIGRE’s vision by Gerald SANCHIS, CIGRE C1.44, France, Nicolas CHAMOLLET, CIGRE C1.44, France, and Antonio ILICETO, CIGRE C1.44, Italy 

Round table

12.30 – 14.00 Lunch break

14.00 – 18.00 Technical Visits (optional)

Technical Visit 1: ALEGrO project, converter station in Lixhe (read more)

Technical Visit 2: EnergyVille in Genk (read more)