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Title: Damping Power System Oscillations by VSC-Based HVDC Networks: A North Sea Grid Case Study
Authors: Ndreko, Mario
van der Meer, Arjen
Gibescu, Madeleine
van der Meijden, Mart
Rawn, Barry
Issue Date: 21-Oct-2013
Conference: International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Power Plants edition:12 location:London date:22-24
Abstract: This paper explores a control strategy for implementing damping of onshore power system oscillations through a voltage source converter based HVDC offshore grid. Time domain simulations are performed for a North Sea grid case study where the DC grid connects two asynchronous power systems as well as offshore wind power plants. An equivalent of the former NORDEL area and an equivalent of the UK power system are used as realistic case study. Simulation results demonstrate capability of the VSC-Based multi-terminal DC grid to improve onshore power system small signal stability. However, the results reveal negative interactions of different HVDC converters forming part of the DC grid when some of them are implementing power oscillation damping. This paper proposes a coordinated control scheme between onshore voltage source converters and the offshore power plant modules (PPM), to cancel these unwanted disturbances by making use of the available energy from offshore wind power plants.
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures

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