scholarly journals Application of ambient analysis techniques for the estimation of electromechanical oscillations from measured PMU data in four different power systems

2010 ◽  
Vol 21 (4) ◽  
pp. 1640-1656 ◽  
Author(s):  
Luigi Vanfretti ◽  
Luke Dosiek ◽  
John W. Pierre ◽  
Daniel Trudnowski ◽  
Joe H. Chow ◽  
...  
Keyword(s):  
Power Systems ◽  
Analysis Techniques ◽  
Electromechanical Oscillations ◽  
Ambient Analysis

Application of partial eigenvalue assignment techniques to dampen electromechanical oscillations in multi-machine power systems

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Erick Baleeiro da Silva ◽  
José Mário Araújo
Keyword(s):  
Power Systems ◽  
The Other ◽  
Mode Shapes ◽  
Eigenstructure Assignment ◽  
Power System Stabilizers ◽  
Control Effort ◽  
Electromechanical Oscillations ◽  
Oscillation Modes ◽  
Partial Controllability

AbstractIn this study, a methodology for partial eigenstructure assignment (PEVA) is applied to dampen electromechanical oscillations in electrical multi-machine power systems. The approach is anchored in allocating a small number of undesirable eigenvalues, for example, which are poorly damped, preserving the other eigenvalues in the system - the so-called no-spillover spectrum. The new position of the selected eigenvalues is carried out based on the partial controllability analysis of the system, in order to minimize the control effort. Simulation examples using a system with 68 buses, 16 generators and five areas showed that the presented methodology is efficient in dampening the local and inter-area oscillation modes when compared to the classic power system stabilizers (PSS). The quality of the solution is illustrated through computer simulations, eigenvalues tables and mode-shapes.

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