Voltage collapse in power systems

1 May 1992

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Circuits and Devices Magazine

Vol. 8 (3) , 40-45
https://doi.org/10.1109/101.136788

Abstract

The stages of a voltage collapse in a power system are described. Circuit and system techniques for analyzing voltage collapse that relate it to the changing number of solutions for the power-flow equations, due to slow changes in system parameters are presented. It is shown that to fully analyze voltage collapse for small- and large-disturbance cases, the essential dynamic mechanisms are considered. Several algorithms developed to detect how close a system is to voltage collapse are discussed. A voltage-collapse scenario based on the interaction among dynamic mechanisms is outlined.<>

Keywords

POWER SYSTEMS
POWER SYSTEM DYNAMICS
POWER SYSTEM ANALYSIS COMPUTING
POWER GENERATION
POWER SYSTEM MODELING
POWER SYSTEM INTERCONNECTION
STEADY-STATE
POWER TRANSMISSION LINES
VOLTAGE CONTROL
POWER SYSTEM PROTECTION

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