Dynamic modelling of VSC-HVDC for connection of offshore wind farms

A VSC-HVDC (Voltage Source Converter - High Voltage Direct Current) dynamic model with a set of control strategies is developed in DIgSILENT Power-Factory with the objective of analyzing the converter's operating capability for grid support during grid faults. The investigation is carried out b...

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Bibliographic Details
Main Authors: Rios, B, Garcia-Valle, R
Format: Conference Proceeding
Language:English
Subjects:
Asynchronous machines
Power convertors and power supplies to apparatus
Wave power
Wind power plants
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Summary:A VSC-HVDC (Voltage Source Converter - High Voltage Direct Current) dynamic model with a set of control strategies is developed in DIgSILENT Power-Factory with the objective of analyzing the converter's operating capability for grid support during grid faults. The investigation is carried out based on a 165 MW offshore wind farm with induction generators and a Low Voltage Ride-Through solution of the offshore wind turbines and Static Voltage Compensator units in the point of connection with a grid represented by a reduced four-generator power grid model. VSC-HVDC promises to be a reliable alternative solution for interconnection with off-shore wind farms as they become larger, with a higher installed power capacity, increased number of wind turbines, and geographically situated at larger distances from suitable connection points in the transmission grids. (4 pages)
DOI:10.1049/cp.2010.1014