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Table. 2 Power angle error and simulation efficiency when excitation intensity is less than threshold

From: Linearization threshold condition and stability analysis of a stochastic dynamic model of one-machine infinite-bus (OMIB) power systems

Stochastic excitation intensity σ Power angle errors |Δδer| (°) Percentage efficiency improvement (%)
0.05 0.088 33
0.1 0.110 29
0.15 0.330 32
0.2 0.677 28
0.234 0.995 30