Author

Hai-Qiang Zhou

3 papers indexed here

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Conference Aug 2026

Low-Frequency Oscillation Analysis and Auxiliary Damping Control of Virtual Synchronous Generator Systems

Grid-forming virtual synchronous generators may experience low-frequency instability when controller settings change or network strength change. To examine this issue, a small-signal representation of a single grid-connected VSG is developed. The model incorporates power regulation dynamics, impedance emulation, cascad...

Shi-Yu Zhou, Shu-Huan Li, Yu-Qing Gu et al. · 2026 6th Power System and Gr... · 0 citations

Conference Aug 2026

Low-Voltage Ride-Through Risk Identification for Renewable Energy in an AC/DC Receiving-End Power Grid Considering the Influence of DC System

With the large-scale integration of renewable-energy and high-voltage direct current transmission, voltage-stability problems have gradually evolved from being dominated by the conventional load side to being jointly affected by sources and loads. Voltage dips caused by AC faults or DC commutation failures may trigger...

Yu-Qing Gu, Hao-Ran Chen, Shi-Yu Zhou et al. · 2026 6th Power System and Gr... · 0 citations

Conference Aug 2026

Risk Assessment and Control Strategies for Cascading Failures in HVDC Receiving-End Systems Considering Multiple Uncertainties

This paper proposes a cascading failure blocking and control strategy based on physical time-series rolling assessment and feature matching for high-renewable-penetration HVDC receiving-end systems facing strong transient coupling and dual-sided uncertainties. First, a transient voltage ride-through (VRT) margin evalua...

Hao-Ran Chen, Yu-Qing Gu, Shu-Huan Li et al. · 2026 6th Power System and Gr... · 0 citations