Application of partial eigenvalue assignment techniques to dampen electromechanical oscillations in multi-machine power systems
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Erick Baleeiro da Silva
und
José Mário Araújo
Abstract
In 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.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
A: Three area test system data
The system model is represented by:
where
xT = |Δf1ΔXE1ΔPG1ΔPtie1Δf3ΔXE3ΔPG3ΔPtie2Δf2ΔXE2ΔPG2|
uT = |ΔPc1ΔPc3ΔPc2|
yT = |Δf1ΔPtie1Δf3ΔPtie2Δf2|
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Artikel in diesem Heft
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Artikel in diesem Heft
- Research Articles
- Smart branch and droop controller based power quality improvement in microgrids
- Daily peak-based short-term demand prediction using backpropagation combined to chi-squared distribution
- Frequency regulation of a weakly connected microgrid using the fuzzy-PID controller
- Assessment method of comprehensive energy saving potential of distribution network considering source-load power uncertainty
- Application of partial eigenvalue assignment techniques to dampen electromechanical oscillations in multi-machine power systems
- Influence of magnets magnetization direction on the performance of high-speed permanent magnet synchronous starter-generator for micro-gas turbine
- Development and scaled-up simulation of an automated electrical energy management system for passageway illumination
