Fig. 9
From: Mitigation of power oscillations using hybrid DE-PSO optimization-based SSSC damping controller
![Fig. 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43067-019-0007-y/MediaObjects/43067_2019_7_Fig9_HTML.png)
Simulink model of four-machine system
From: Mitigation of power oscillations using hybrid DE-PSO optimization-based SSSC damping controller
Simulink model of four-machine system