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A Cascaded Hybrid Synchronization Control for Grid-Connected Inverters
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektroteknik, Elkraftteknik.ORCID-id: 0000-0002-5423-4326
Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China.
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektroteknik, Elkraftteknik.ORCID-id: 0009-0006-9522-4024
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektroteknik, Elkraftteknik.ORCID-id: 0000-0002-2081-7347
Vise andre og tillknytning
2026 (engelsk)Inngår i: IEEE transactions on power electronics, ISSN 0885-8993, E-ISSN 1941-0107, Vol. 41, nr 1, s. 137-142Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This letter revisits vector voltage control (VVC) and finds that by introducing a P-E-q droop into the q-axis voltage reference, a conventional phase-locked loop (PLL) can effectively substitute the power synchronization control for replicating the power-frequency (angle) dynamics of grid-forming (GFM) inverters. Consequently, a simple GFM control strategy that retains the traditional PLL and VVC is proposed. In contrast to recently reported PLL-based GFM approaches, the method eliminates the need for virtual admittance control and offers higher stability robustness across a wide range of grid short-circuit ratios.

sted, utgiver, år, opplag, sider
Institute of Electrical and Electronics Engineers (IEEE) , 2026. Vol. 41, nr 1, s. 137-142
Emneord [en]
Phase locked loops, Voltage control, Grid forming, Synchronization, Inverters, Robustness, Power system stability, Regulation, Damping, Circuit stability, Grid forming (GFM), inverter-based resources (IBRs), power control and stability
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URN: urn:nbn:se:kth:diva-375068DOI: 10.1109/TPEL.2025.3603944ISI: 001600752700013Scopus ID: 2-s2.0-105014774749OAI: oai:DiVA.org:kth-375068DiVA, id: diva2:2028425
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QC 20260114

Tilgjengelig fra: 2026-01-14 Laget: 2026-01-14 Sist oppdatert: 2026-01-14bibliografisk kontrollert

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Chen, FeifanWang, HaowenZhao, Liang

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