Title: Optimizing DC Voltage Droop Settings for AC/DC System Interactions
Authors: Eriksson, Robert * ×
Beerten, Jef *
Ghandari, Mehrdad
Belmans, Ronnie #
Issue Date: Feb-2014
Publisher: Institute of Electrical and Electronics Engineers
Series Title: IEEE Transactions on Power Delivery vol:29 issue:1 pages:362-369
Abstract: In this paper, a methodology is presented to optimize the dc voltage droop settings in a multiterminal voltage-source converter high-voltage direct-current system with respect to the ac system stability. Implementing dc voltage droop control enables having multiple converters assisting the system in case of a converter outage. However, the abrupt power setpoint changes create additional stress in the ac system, especially when multiple converters are connected to the same interconnected ac system. This paper presents a methodology to determine optimizd converter droop settings in order to not compromise the ac system stability, thereby taking into account the adverse effect the droop control actions have on the interconnected ac system. Developing a disturbance model of the interconnected ac/dc system, the principal directions indicate the gain and directionality of the disturbances; from this, optimal droop settings are derived to minimize the disturbance gain.
ISSN: 0885-8977
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures
* (joint) first author
× corresponding author
# (joint) last author

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