Analysis of voltage dynamics within current control time-scale in a VSC connected to a weak AC grid via series compensated AC line
Haro-Larrodé, Marta (Universidad de Zaragoza) ; Eguia, Pablo ; Santos-Mugica, Maider
Resumen: In this paper, an analytical approach is proposed to analyse the small-signal stability associated with the voltage dynamics of three paths within current control of a VSC connected to a weak AC grid via series compensated AC line: the PLL, active damping and virtual conductance loops. The basic control structure of the VSC is a cascade type based on PI controllers, where DC voltage and reactive current setpoints are used to drive the VSC terminal voltage change. Besides, active damping (AD) and virtual conductance (VC) filters are included to damp high and low frequency oscillations of terminal voltage, respectively. Different series compensation level (SCL) and AC grid stiffness values are considered while performing the analysis. The main design implications obtained through this analysis are the proposal of adequate values for PLL bandwidth according to a decreasing level of AC grid stiffness and suitable ratio values between AD and VC filter gains to ensure stability and good cross-impact, given a SCL value. The analysis is validated by means of simulations conducted in MATLAB® Simulink. The proposed analytical framework serves as a contribution to support a robust terminal voltage change mechanism within current control time-scale
Idioma: Inglés
DOI: 10.1016/j.epsr.2024.110189
Año: 2024
Publicado en: ELECTRIC POWER SYSTEMS RESEARCH 229 (2024), 110189 [12 pp.]
ISSN: 0378-7796
Factor impacto JCR: 4.2 (2024)
Categ. JCR: ENGINEERING, ELECTRICAL & ELECTRONIC rank: 109 / 368 = 0.296 (2024) - Q2 - T1
Factor impacto CITESCORE: 8.2 - Energy Engineering and Power Technology (Q1) - Electrical and Electronic Engineering (Q1)
Factor impacto SCIMAGO: 1.137 - Energy Engineering and Power Technology (Q1) - Electrical and Electronic Engineering (Q1)
Tipo y forma: Article (Published version)
Área (Departamento): Área Ingeniería Eléctrica (Dpto. Ingeniería Eléctrica)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material.
Exportado de SIDERAL (2026-02-17-20:23:12)
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Idioma: Inglés
DOI: 10.1016/j.epsr.2024.110189
Año: 2024
Publicado en: ELECTRIC POWER SYSTEMS RESEARCH 229 (2024), 110189 [12 pp.]
ISSN: 0378-7796
Factor impacto JCR: 4.2 (2024)
Categ. JCR: ENGINEERING, ELECTRICAL & ELECTRONIC rank: 109 / 368 = 0.296 (2024) - Q2 - T1
Factor impacto CITESCORE: 8.2 - Energy Engineering and Power Technology (Q1) - Electrical and Electronic Engineering (Q1)
Factor impacto SCIMAGO: 1.137 - Energy Engineering and Power Technology (Q1) - Electrical and Electronic Engineering (Q1)
Tipo y forma: Article (Published version)
Área (Departamento): Área Ingeniería Eléctrica (Dpto. Ingeniería Eléctrica)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material. Exportado de SIDERAL (2026-02-17-20:23:12)
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Record created 2024-03-15, last modified 2026-02-17