Settling-Angle-Based Stability Analysis for Multiple Current-Controlled Converters

Article Green & Sustainable Science & Technology

SISO Impedance-Based Stability Analysis for System-Level Small-Signal Stability Assessment of Large-Scale Power Electronics-Dominated Power Systems

Dongsheng Yang et al.

Summary: This paper proposed an enhanced impedance-based stability analysis method to address the dynamic issues in power electronics-based power systems. The method provides a global view of system dynamics and tailor-made stabilization solutions using measured black-box models. The proposed method translates dynamic interactions into decoupled minor loops and assesses stability using the SISO Nyquist stability criterion.

IEEE TRANSACTIONS ON SUSTAINABLE ENERGY (2022)

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Article Engineering, Electrical & Electronic

Harmonic Stability Assessment of Multiterminal DC (MTDC) Systems Based on the Hybrid AC/DC Admittance Model and Determinant-Based GNC

Haitao Zhang et al.

Summary: This article proposes a hybrid ac/dc admittance-based stability assessment model for MTDC systems. By introducing the General Nyquist Criterion, the system stability is assessed and different instability root causes are identified. Corresponding mitigation methods are also proposed.

IEEE TRANSACTIONS ON POWER ELECTRONICS (2022)

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Article Engineering, Electrical & Electronic