Keynote 1

High-Voltage DC Transmission for Offshore Wind Farms – System Integration and the Role of Modeling and Control


Monday, July 13
Time: 08:45 – 09:30
Room 1005, Forest Sciences Centrejung

Speaker Detail:

Jochen Jung is the Head of Asset Management Offshore, TenneT Offshore GmbH. In this position, he is responsible for the company’s all offshore assets including wind farms and power transmission infrastructures. He received his Dr. –Ing. degree in Electrical Engineering from University Siegen in 2001, where he also worked as a research associate from 1994 to 2001. Prior to joining TenneT, he worked in various engineering and management positions in several power engineering, utility and renewable energy companies, including Siemens AG, E.ON Netz, and Transpower Offshore.

Jian Sun is a Professor in the Department of Electrical, Computer and Systems Engineering at Rensselaer Polytechnic Institute and Director of New York State Center for Future Energy Systems. He received his Doctorate in Electrical Engineering from University of Paderborn, Germany in 1995. jianPrior to joining RPI in 2002, he worked in the industry for five years and spent one year at Georgia Tech as a post-doctoral fellow.

Dr. Sun is a Fellow of the IEEE. He has served IEEE in various capacities, including as the Editor-in-Chief of the IEEE Power Electronics Letters, Chair of PELS Technical Committee on Power
and Control Core Technologies, and General Chair of COMPEL 2006. He received the PELS Modeling and Control Technical Achievements Award in 2013 for contributions in averaged modeling and stability analysis of ac power electronics systems. He worked as an Executive Senior
Consultant to TenneT on offshore wind farm and HVDC system integration issues.


High-voltage dc (HVDC) transmission offers several advantages for offshore wind farms and has been discussed in the literature since 2001. However, there was no actual application until recently when Germany decided to tap into the North Sea wind resources as part of its Energiewende (Energy Transition.) The first phase of this historical development includes 9 wind farms operated by TenneT, with about 7 GW total installed capacity all using HVDC transmission. A variety of wind turbine and HVDC technologies are employed, including Type-III and Type-IV turbines as well as HVDC converters based on conventional voltage-source converters and new modular multilevel converters. This talk will give an overview of HVDC transmission technologies for offshore wind farms and their applications in the North Sea, discuss system integration challenges and the critical role modeling and control plays in ensuring the stability and power quality of the complex, all-power-electronics hybrid offshore ac-dc power systems, and review future opportunities for research and development in power electronics for offshore wind energy and HVDC systems.


Keynote 2

Simulation Technologies for modern Power Systems with Power Electronic Converters


Tuesday, July 14
Time: 8:30-9:00
Room 1005, Forest Sciences Centre

Speaker Detail:

Prof. Ani Gole is Distinguished Professor and NSERC Industrial Chair in Power Systems Simulation at the Department of Electrical and Computer Engineering, at the University of Manitoba. He has over 30 years’aniruddha_gole
experience in the development of modelling tools for power networks incorporating power-electronic equipment such as HVDC and FACTS converters. He is one of the original developers of the widely used PSCAD/ EMTDC simulation program. Dr. Gole has also made important contributions to the development of the real-time digital simulator RTDS from RTDS Technologies of Winnipeg, Canada.

Earlier, Dr. Gole has worked with Hydro Quebec (IREQ) and Manitoba Hydro in the area of HVDC Transmission. For his contributions to the modelling of Flexible Ac Transmission System (FACTS) devices, Dr. Gole was awarded the IEEE PES Nari Hingorani FACTS Award in 2007. Dr. Gole is a Fellow of the IEEE, a Fellow of the Canadian Academy of Engineering and is a Registered Professional Engineer in the Province of Manitoba, Canada.


The power grid is undergoing a transformational change. The legacy grid which was centrally controlled and consisted of largely ac generators, transmission lines and dispatchable energy sources is being replaced by a flexible de-regulated grid with increasing renewable energy sources, power electronic converters and smart controls. These changes are challenging the capabilities of simulation and modelling tools. The talk will give an overview of the new requirements that are necessary, particularly for electromagnetic transient simulation tools resulting from the changing grid structure. One challenge is how to simulate large power electronic converters such as Multi-level modular converters (MMC) that have a very large component count. New study methods that combine multiple simulation tools on the same computing platform will also be presented. New methods to study the stability of smart grids will also be discussed. Emerging simulation platforms such as real-time simulators and hybrid simulators will also be discussed.

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