A novel approach for voltage control of multi-terminal DC grids with offshore wind farms
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Document typeConference lecture
Defense date2013
Rights accessRestricted access - publisher's policy
This work is protected by the corresponding intellectual and industrial property rights.
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Abstract
This paper proposes a novel control strategy in multi-terminal DC (MTDC) grids with offshore wind generation based on the idea of generalized voltage droop (GVD). In the
proposed strategy, the GVD characteristics are assigned to the voltage-regulating converter station, enhancing their control
maneuverability and enabling them to perform necessary DC voltage control and power sharing tasks. By adjusting the
coefficients of the corresponding GVD characteristic, a converter station can be operated in three operating modes, namely (1)
fixed active power control mode, (2) conventional voltage droop control mode or (3) fixed DC voltage control mode. Results of
simulations on a test four-terminal DC grid including two offshore wind farm and two AC grids show the capabilities of the
proposed control strategy. Moreover, simulation results confirmed stable operation of the GVD control in transition from one operating mode to another.
CitationRouzbehi, K. [et al.]. A novel approach for voltage control of multi-terminal DC grids with offshore wind farms. A: IEEE Energy Conversion Congress and Exposition. "5th IEEE Annual International Energy Conversion Congress and Exhibition 2013 Proceeding". Melbourne: 2013, p. 965-970.
ISBN978-147990482-2
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