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SVC dynamic analytical model

Jovcic, D. ; Pahalawaththa, N. ; Zavahir, M. ; Hassan, H.A.

IEEE transactions on power delivery, 2003-10, Vol.18 (4), p.1455-1461 [Periódico revisado por pares]

New York: IEEE

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Título:
SVC dynamic analytical model
Autor: Jovcic, D. ; Pahalawaththa, N. ; Zavahir, M. ; Hassan, H.A.
Assuntos: Analytical models ; Control design ; Control systems ; Couplings ; Dynamic tests ; Dynamical systems ; Eigenvalues ; EMTDC ; Frequency domain analysis ; Gain ; Mathematical model ; MATLAB ; Nonlinear dynamical systems ; Nonlinear dynamics ; PSCAD ; Static VAr compensators ; Studies ; Systems stability
É parte de: IEEE transactions on power delivery, 2003-10, Vol.18 (4), p.1455-1461
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: This paper presents a linear state-space model of a static VAr compensator. The model consists of three individual subsystem models: an AC system, a SVC model, and a controller model, linked together through d-q transformation. The issue of nonlinear susceptance-voltage term and coupling with a static frame of reference is resolved using an artificial rotating susceptance and linearizing its dependence on firing angle. The model is implemented in MATLAB and verified against PSCAD/EMTDC in the time and frequency domains. The verification demonstrates very good system gain accuracy in a wide frequency range f < 150 Hz, whereas the phase angle shows somewhat inferior matching above 25 Hz. It is concluded that the model is sufficiently accurate for many control design applications and practical stability issues. The model's use is demonstrated by analyzing the dynamic influence of the PLL gains, where the eigenvalue movement shows that reductions in gains deteriorate system stability.
Editor: New York: IEEE
Idioma: Inglês

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SVC dynamic analytical model

Jovcic, D. ; Pahalawaththa, N. ; Zavahir, M. ; Hassan, H.A.

New York: IEEE

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