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Fast load shedding for angle stability control

Rovnyak, S.M. ; Mei, K. ; Li, G.

2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2003, Vol.4, p.2275-2279 Vol. 4

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Título:
Fast load shedding for angle stability control
Autor: Rovnyak, S.M. ; Mei, K. ; Li, G.
Assuntos: Communication system control ; Delay ; Discrete event simulation ; Electrical resistance measurement ; HVDC transmission ; Load flow control ; Power system economics ; Stability ; Testing ; Voltage control
É parte de: 2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2003, Vol.4, p.2275-2279 Vol. 4
Descrição: This paper explores through simulation the speed of load shedding required for effective one-shot angle stability control. Experience with load shedding in China indicates that present technology is capable of shedding large amounts of load in approximately 0.1 second. An iterative, sensitivity-based procedure is used to find combinations of one-shot controls actuated 0.1 second after an event to stabilize transient events in simulation on a 176-bus model of the western North American interconnection. Some of these events require load shedding in addition to generator tripping and HVDC fast power changes in order to be stabilized. A response-based control scheme that uses apparent resistance R and its rate of change Rdot measured near the center of an intertie to trigger one-shot controls is tested with different actuation delays. The combination of controls ordered by the R-Rdot controller includes HVDC fast power changes and load shedding.
Editor: IEEE
Idioma: Inglês

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