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Probabilistic evaluation of long-term stability considering secondary contingency scenarios
Ist Teil von
2016 International Conference on Probabilistic Methods Applied to Power Systems (PMAPS), 2016, p.1-5
Ort / Verlag
IEEE
Erscheinungsjahr
2016
Quelle
IEEE Electronic Library (IEL)
Beschreibungen/Notizen
This paper studies the effects of secondary contingency (N-1-1) on stability of power system in long time duration transient state considering state probability. The Vietnam power system which includes all level voltages up to 500 kV is utilized. The only 500 kV level system is analyzed by N-1-1 contingency criterion to define vulnerabilities of power grid. The dynamic simulation is implemented in vulnerability-based power system scenarios to verify long-term stability. The dynamic models of generators, governor, excitation system, maximum excitation limiters, static VAR compensators and load tap changers are built up based on real data of Vietnam power system.