Paper published in a book (Scientific congresses and symposiums)
Frequency support among asynchronous AC systems through VSCs emulating power plants
Papangelis, Lampros; Guillaud, Xavier; Van Cutsem, Thierry
2015In Proc. 11th IET Conference on AC and DC Power Transmission
Peer reviewed
 

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Keywords :
HVDC grid; voltage source converter; frequency support; speed governor; speed droop; integral control
Abstract :
[en] This paper proposes a new control scheme for the Voltage Source Converters (VSCs) of a High Voltage Direct Current (HVDC) grid connecting asynchronous AC systems, so that the latter can mutually support their frequencies after a disturbance. The scheme involves no communication between VSCs. It is activated upon detection of a significant frequency deviation, with the possibility to limit the support requested from other AC systems. It relies on an integral control enforcing the frequency droop characteristics (of classical speed governors), in addition to the voltage-droop control of VSCs. The controller is tuned to emulate the response of a power plant, while avoiding excessive transients in the HVDC system, and limiting the impact on the other AC systems.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Papangelis, Lampros ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Guillaud, Xavier
Van Cutsem, Thierry  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Frequency support among asynchronous AC systems through VSCs emulating power plants
Publication date :
February 2015
Event name :
11th IET Conference on AC and DC Power Transmission
Event organizer :
The Institution of Engineering and Technology - IET
Event place :
Birmingham, United Kingdom
Event date :
10-12 February 2015
Audience :
International
Main work title :
Proc. 11th IET Conference on AC and DC Power Transmission
Pages :
9 p.
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 13 January 2015

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