http://www.energy-ai.org/
Plenary speaker
Key Techniques of Transmission System for Offshore Wind Power
The development and utilization of offshore wind energy resources is the critical path for energy structure reformation. With saturation development of the near offshore wind energy resources, large-scale deep-sea offshore wind farms have been becoming significant trends in recent years. The voltage source converter based high-voltage DC transmission system has unique technical advantages such as long transmission distance, small transmission losses, and better performance in power control compared with the conventional AC transmission methods. Therefore, it is confirmed as one of the best feasible solutions to explore offshore wind power in deep-sea areas. However, the converter topologies, primary equipment composition, and fault ride-through requirements are extremely different in comparison with the onshore transmission network. To address the issues above, this presentation investigates the precise characteristics of the whole fault process in power transmission system. Moreover, the influence of control strategies on fault characteristics is analyzed quantitatively. Typical protection principles for the transmission lines are analyzed in detail. Furthermore, the risks and challenges of protections in the offshore transmission system are discussed. Then, the single-ended distance protection principles respectively based on the traveling-wave natural frequency and time-domain line-model iteration, which are not dependent on the line boundary elements, are introduced.
Biography
Bin Li, Professor, IEEE Senior Member, FIET. His main research field is involved in the protection and control of smart grid. Currently he is an investigator of some on-going research projects in this area supported by National Natural Science Foundation of China and the industry. He has been authorized 50 invention patents. He has published 3 monographs and more than 180 papers, of which 75 are indexed by SCI and more than 100 are indexed by EI. Currently, he is the Director of the Tianjin Key Laboratory of Power System Simulation and Control, and the Deputy Director of Key Laboratory of Smart Grid of Ministry of Education of China.
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