Online Voltage Stability Assessment Based on Wide Area Measurements, M.Sc. Thesis Sharif University of Technology ; Ranjbar, Ali Mohammad (Supervisor) ; Mozafari, Babak (Supervisor)
Abstract
Online voltage stability assessment is essential for preventing the failure in power systems. Voltage instability in power systems usually occurs in consequence of contingency situations or continuous load increasing or both of them. A new method for online voltage stability assessment using the data acquired from phasor measurement units (PMUs) and offline trained decision trees is presented in this thesis. The index of voltage stability margin (VSM) is used for security assessment and considering WSCC criterion, different operation points are divided in two classes: safe and unsafe. In order to obtain the voltage stability margin and generate the database, a new method which has been named...
Cataloging briefOnline Voltage Stability Assessment Based on Wide Area Measurements, M.Sc. Thesis Sharif University of Technology ; Ranjbar, Ali Mohammad (Supervisor) ; Mozafari, Babak (Supervisor)
Abstract
Online voltage stability assessment is essential for preventing the failure in power systems. Voltage instability in power systems usually occurs in consequence of contingency situations or continuous load increasing or both of them. A new method for online voltage stability assessment using the data acquired from phasor measurement units (PMUs) and offline trained decision trees is presented in this thesis. The index of voltage stability margin (VSM) is used for security assessment and considering WSCC criterion, different operation points are divided in two classes: safe and unsafe. In order to obtain the voltage stability margin and generate the database, a new method which has been named...
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