Figure 3. Thevenin Equivalent Impedance Scatter plot for when varying to some extent:(a) fluctuates at ±0.1%, (b) fluctuates at ±0.5%, (c) fluctuates at ±1%, and (d) fluctuates at ±5%

From

Research on Dynamic Thevenin Equivalence Method Based on Deviation Correction

Wang Ying, Ma Gang, Tang Yi

American Journal of Electrical and Electronic Engineering. 2017, 5(6), 195-201 doi:10.12691/ajeee-5-6-1