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HVDC network : wind power integration and creation of super grid

Kalcon, Giddani Osman Addalan and Adam, Grain Philip and Anaya-Lara, Olimpo and Burt, Graeme and Lo, Kwok (2011) HVDC network : wind power integration and creation of super grid. In: Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC), 2011. IEEE, pp. 1-4. ISBN 978-1-4244-8779-0

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Abstract

This paper investigates the possibility of using HVDC networks to create a large power pool that may facilitate the following objectives: increased connection of renewable power to the ac network without the need for bulky storage systems; improve the resiliency of the ac networks attached to this power pool against power and frequency instability problems during local loss of generation or major load; and enable power trading between these regional networks in real time. In this investigation, a generic HVDC network comprising four terminals connected to three strong ac networks and one weak ac network (mainly, wind farm based on fixed speed induction generators) is simulated under two scenarios. First case, where the wind farm power output varies, and variable power injection at the terminals of the converters that control active power. The second case has tested the resiliency of the HVDC network during loss of the ac network at one of the converter station.