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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/808

Title: Digital and experimental study of voltage collapse and instability in power system
Authors: Heydeman, J
Tripathy, S C
Paap, G C
Sluisa, L van der
Keywords: Voltage collapse
Voltage instability
Power system simulator
Exciters
Bifurcations
Issue Date: 2000
Citation: International Journal of Electrical Power & Energy Systems, 22(4), 303–311
Abstract: A model of a power system with load dynamics is studied by investigating voltage collapse phenomena and sustained oscillation with a fast exciter. In the case of voltage collapse, the reactive power demand at a load bus is slowly increased until the voltage magnitude sharply falls to a very low level. In the case of instability and sustained oscillation, the small signal voltage instability is studied at a particular point with a fast exciter having hard limits. It is shown that the divergent response eventually results in sustained oscillations when hard limits in the fast excitation system are imposed. The paper presents both digital simulation and experimental results. A brief introduction to bifurcation theory is also included in the paper for completeness.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/808
Appears in Collections:Energy Studies [CES]

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