The need for voltage stability analysis in voltage-controlled buses
RB Prada, LJ De Souza, JL Vega - … Journal of Electrical Power & Energy …, 2015 - Elsevier
This paper addresses the need to perform voltage stability analysis in voltage-controlled
buses. The theory that identifies the existence of a maximum power that can be injected by a …
buses. The theory that identifies the existence of a maximum power that can be injected by a …
Voltage control in heavily loaded networks
BHT Seelig, LJ de Souza… - … Transactions on Electrical …, 2015 - Wiley Online Library
This paper presents a method to determine whether an operative voltage control action will
have the steady‐state expected effect or not. Sensitivity indexes are designed to correlate …
have the steady‐state expected effect or not. Sensitivity indexes are designed to correlate …
Weakest bus, most loaded transmission path and critical branch identification for voltage security reinforcement
RB Prada, EGC Palomino, LAS Pilotto… - Electric power systems …, 2005 - Elsevier
Maximum power transmission and inadequate voltage control are the two main aspects
associated with voltage security analysis. Once weak buses are found by the assessment …
associated with voltage security analysis. Once weak buses are found by the assessment …
Identifying a vanishing eigenvalue in voltage collapse analysis with consideration of limits
AC Zambroni de Souza - IEE Proceedings-Generation, Transmission and …, 2001 - IET
Modal analysis has been widely employed in voltage stability studies. Literature shows that
monitoring the least eigenvalue/singular value as a function of load increase may drive one …
monitoring the least eigenvalue/singular value as a function of load increase may drive one …
Voltage collapse and control actions: effects and limitations
AC Zambroni de Souza, NHMN Brito - Electric machines and …, 1998 - Taylor & Francis
This paper focuses on control actions determination for voltage collapse prevention.
Sensitivity matrices are proposed based on the knowledge of the critical bus. By critical bus …
Sensitivity matrices are proposed based on the knowledge of the critical bus. By critical bus …
Load modelling in static voltage stability indices calculation
RB Prada, JOR Dos Santos - European transactions on …, 1999 - Wiley Online Library
This paper is concerned with load modelling for static voltage stability indices calculation.
Static voltage stability is closely related to the maximum active and reactive power flow a …
Static voltage stability is closely related to the maximum active and reactive power flow a …
Identification of voltage collapse margins in power systems
ACZ de Souza, VH Quintana - Proceedings of Canadian …, 1993 - ieeexplore.ieee.org
Voltage collapse has been associated with a stress condition of power systems. Control
actions must provide the desired results, otherwise a system may operate in an unknown …
actions must provide the desired results, otherwise a system may operate in an unknown …
Saddle-node index as bounding value for Hopf bifurcations detection
AC Zambroni de Souza, BI Lima Lopes… - IEE Proceedings …, 2005 - IET
Some aspects related to modal analysis in voltage stability studies are discussed. The idea
is to determine a set of dominant eigenvalues during the voltage collapse path. This set …
is to determine a set of dominant eigenvalues during the voltage collapse path. This set …