Study on the impact of time delay to power system small signal stability

The impact of time delay on power system small signal stability is investigated in this paper. Theory on dynamic system stability with time delay is first briefly reviewed. Then, a single-machine-infinite-bus system is employed to analyze the impact of time delay on the system small signal stability...

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Veröffentlicht in:MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference S. 1011 - 1014
Hauptverfasser: Jia, H., Na Guangyu, Lee, S.T., Pei Zhang
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 2006
Schlagworte:
Control systems
Delay effects
Eigenvalues and eigenfunctions
Power system analysis computing
Power system control
Power system dynamics
Power system stability
power systems
Signal analysis
Signal design
small signal stability
Stability analysis
time delay
ISBN:9781424400874, 1424400872
ISSN:2158-8473
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Zusammenfassung:The impact of time delay on power system small signal stability is investigated in this paper. Theory on dynamic system stability with time delay is first briefly reviewed. Then, a single-machine-infinite-bus system is employed to analyze the impact of time delay on the system small signal stability analysis. It is found that when the delay is small, it can be ignored. However, if the delay is large, it can significantly change the system dynamic characteristics, such as the oscillation mode and the system critical eigenvalues. Studies of this paper are helpful to appropriately consider the effect of time delay in power system controller design and small signal stability studies
ISBN:9781424400874
1424400872
ISSN:2158-8473
DOI:10.1109/MELCON.2006.1653270