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Abstract
This paper proposes a unified impedance model for analyzing the effect of Phase-Locked Loop (PLL) on the stability of grid-connected voltage-source converters. In the approach, the dq-frame impedance model is transformed into the stationary αβ-frame by means of complex transfer functions and complex space vectors, which not only predicts the stability impact of the PLL, but reveals also its frequency coupling effect in the phase domain. Thus, the impedance models previously developed in the different domains can be unified. Moreover, the impedance shaping effects of PLL are structurally characterized for the current control in the rotating dq-frame and the stationary αβ-frame. Case studies based on the unified impedance model are presented, which are then verified in the time-domain simulations and experiments. The results closely correlate with the impedance-based analysis.
Originalsprog | Engelsk |
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Titel | Proceedings of the 2016 IEEE Energy Conversion Congress and Exposition (ECCE) |
Antal sider | 8 |
Forlag | IEEE Press |
Publikationsdato | sep. 2016 |
Artikelnummer | 1677 |
ISBN (Elektronisk) | 978-1-5090-0737-0 |
DOI | |
Status | Udgivet - sep. 2016 |
Begivenhed | 8th Annual IEEE Energy Conversion Congress & Exposition: ECCE 2016 - Milwaukee, WI, USA Varighed: 18 sep. 2016 → 22 sep. 2016 http://www.ieee-ecce.org/ |
Konference
Konference | 8th Annual IEEE Energy Conversion Congress & Exposition |
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Land/Område | USA |
By | Milwaukee, WI |
Periode | 18/09/2016 → 22/09/2016 |
Sponsor | IEEE, IEEE Industry Applications Society (IAS), IEEE Power Electronics and Industry Applications Societies (PELS) |
Internetadresse |
Fingeraftryk
Dyk ned i forskningsemnerne om 'A Unified Impedance Model of Voltage-Source Converters with Phase-Locked Loop Effect'. Sammen danner de et unikt fingeraftryk.Projekter
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HARMONY: HARMONY - Harmonic identification, mitigation and control in power electronics based power systems
Blaabjerg, F., Bak, C. L., Wang, X., Beres, R. N., Kwon, J., Gui, Y., Yoon, C. & Ebrahimzadeh, E.
01/02/2013 → 28/02/2018
Projekter: Projekt › Forskning