Open AccessApplication of synchronised phasor measurements to real-time transient stability prediction
Author(s) -
ChihWen Liu
Publication year - 1995
Publication title -
iee proceedings - generation transmission and distribution
Language(s) - English
Resource type - Journals
eISSN - 1359-7051
pISSN - 1350-2360
DOI - 10.1049/ip-gtd:19951975
Subject(s) - phasor , transient (computer programming) , electric power system , swing , control theory (sociology) , piecewise , computer science , stability (learning theory) , margin (machine learning) , power (physics) , control engineering , engineering , control (management) , mathematics , physics , machine learning , operating system , mechanical engineering , mathematical analysis , quantum mechanics , artificial intelligence
With new systems capable of making synchronised phasor measurements there are possibilities for real-time assessment of the stability of a transient swing in power systems. In the future, online control will be necessary as operating points are pushed closer toward the margin and fast reaction time becomes critical to the survival of the system. A piecewise constant-current load equivalent (PCCLE) technique is developed which utilises synchronised phasor measurements to provide fast-transient stability swing prediction for use with high-speed control. A numerical simulation is conducted on IEEE 39-bus system equipped with ten phasor measurement units to test the effectiveness of the PCCLE technique.
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