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The predominant North-South active power flows across the border between Scotland and England are currently limited by stability considerations. As the penetration of variable-speed wind power plants in Great Britain grows, it is imperative that stability limits, operational flexibility, efficiency and system security are not unnecessarily eroded as a result. The study reported in this paper illustrates the impacts on critical fault clearing times and power transfer limits through this North-South corridor in the presence of increasing levels of wind power plants on the GB transmission system. By focussing on the behaviour of a representative reduced test system following a three-phase fault occurring on one of the two double-circuits of the B6 boundary, the impacts on transient stability margins are qualitatively identified. By altering the immediate post-fault active power recovery ramp-rate of the wind power plants, the transient stability performance of the grid with additional wind power can be significantly improved. The outputs of the project are intended to provide a basis for further detailed studies on a more realistic network model.
|Publication status||Published - 17 Nov 2015|
|Event||EWEA 2015 Annual Event - Paris expo Porte de Versailles, Paris, France|
Duration: 17 Nov 2015 → 20 Nov 2015
|Conference||EWEA 2015 Annual Event|
|Period||17/11/15 → 20/11/15|
- active power recovery
- critical fault clearing times
- power transfer limits
- wind power
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