Non-minimum-phase zeros in the grid Jacobian explain both voltage and synchronization instability in weak grids, with the short-circuit ratio as a special case of the proposed NMP-Z factor at rated operating point.
Novel Gramian-based Structure-preserving Model Order Reduction for Power Systems with High Penetration of Power Converters,
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Revisiting Voltage and Synchronization Stability Analysis in Converter-Integrated Weak Grids: Insights from Non-Minimum-Phase Zeros
Non-minimum-phase zeros in the grid Jacobian explain both voltage and synchronization instability in weak grids, with the short-circuit ratio as a special case of the proposed NMP-Z factor at rated operating point.