power systems; loss of synchronism; model predictive control
Abstract :
[en] This paper addresses the problem of HVDC control using real-time information to avoid loss of synchronism phenomena in power systems. It proposes a discrete-time control strategy based on model predictive control, which solves at every time step an open-loop optimal-control problem using an A* event-tree search. Different optimisation criteria based on transient stability indices are compared. The paper presents simulations results for two benchmark systems with 9 and 24 buses, respectively, and an embedded HVDC-link. The results show that the control strategy leads to a modulation of the HVDC power flow that improves significantly the system’s ability to maintain synchronism in the aftermath of a large disturbance.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Phulpin, Yannick
Hazra, Jagabondhu
Ernst, Damien ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Smart grids
Language :
English
Title :
Model predictive control of HVDC power flow to improve transient stability in power systems
Publication date :
October 2011
Event name :
Second IEEE International Conference on Smart Grid Communications (IEEE SmartGridComm)
Event place :
Brussels, Belgium
Event date :
October 17-20, 2011
Audience :
International
Main work title :
Proceedings of the Second IEEE International Conference on Smart Grid Communications (IEEE SmartGridComm)
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