Title :
Modeling of UPFC Operation under Unbalanced Conditions with Dynamic Phasors
Author :
Stefanov, P. C. ; Stankovic, A. M.
Author_Institution :
University of Belgrade, Yugoslavia; Northeastem University, Boston, MA
fDate :
3/1/2002 12:00:00 AM
Abstract :
The paper describes an analytical large-signal mode or unbalanced operation of the unified power flow controller (UPFC). This nonlinear, time-invariant model is expressed in terms of dynamic symmetric components, and it is validated on a benchmark power system example taken from the literature. The model is evaluated via simulations in unbalanced operation and during unbalanced (one phase to ground) faults. In both cases it achieves a very good accuracy in addition to a reduction in simulation time when compared with detailed time-domain models.
Keywords :
Communication system control; Control systems; Frequency measurement; Phasor measurement units; Power harmonic filters; Power system dynamics; Power system harmonics; Power system measurements; Power system modeling; Power system simulation; Dynamic phasors; FACTS; UPFC; dynamical models; unbalanced conditions;
Journal_Title :
Power Engineering Review, IEEE
DOI :
10.1109/MPER.2002.4312069