Author

Ji-Feng Cheng

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Open access Oct 2026

Two-Stage Distributionally Robust Optimization for Secure Operation of Provincial Power Grids with High Renewable Penetration

Provincial power grids with high wind and photovoltaic penetration face poor out-of-sample security under limited data, whereas robust scheduling can be overly conservative. This study develops an integrated scheduling framework for secure provincial-grid operation using established two-stage Wasserstein distributional...

Ji-Feng Cheng, Guan-Feng Zhang, Jun-Jie Sun et al. · Energies · 0 citations

Open access Aug 2026

Fault Current Response Modeling and Parameter Identification During High-/Low-Voltage Ride-Through Based on Adaptive Nonlinear Compensation

To address the difficulty in accurately characterizing the fault current response of renewable energy grid-connected devices during high-/low-voltage ride-through, this paper proposes a fault current response modeling and parameter identification method based on adaptive nonlinear compensation. First, with the fault vo...

Jiayan Zhou, Zheng-Hong Tu, Ji-Feng Cheng et al. · Energies · 0 citations