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Conference paper

Dynamic Active Power Control with Improved Undead-Band Droop for HVDC Grids

In 10th Iet International Conference on Ac and Dc Power Transmission (acdc 2012) — 2012, pp. 1-6

By Vrana, T.K.1; Zeni, Lorenzo2,3; Fosso, O.B.1

From

Norwegian University of Science and Technology1

Department of Wind Energy, Technical University of Denmark2

Wind Energy Systems, Department of Wind Energy, Technical University of Denmark3

The earlier developed control method using a piecewise linear droop curve, with different droop values for the different segments, has now been optimised for dynamic performance. Non-linearities at the junctions of two linear droop sections have been adressed. Also non-linearity of power based DC voltage control has been adressed.

Dynamic instability due to high control gains has been treated and a new improved control structure has been proposed. The concepts have been validated with RMS simulation with the DIgSILENT PowerFactory software on the CIGRE B4 DC grid test system.

Language: English
Publisher: IEEE
Year: 2012
Pages: 1-6
Proceedings: 10th International Conference on AC and DC Power Transmission
ISBN: 1849197008 and 9781849197007
Types: Conference paper
DOI: 10.1049/cp.2012.1975
Keywords

Active Power Control Droop Control HVDC Meshed DC Grid Power Converter

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