Fig. 4
From: Mitigation of power oscillations using hybrid DE-PSO optimization-based SSSC damping controller
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43067-019-0007-y/MediaObjects/43067_2019_7_Fig4_HTML.png)
Inter-area mode oscillation
From: Mitigation of power oscillations using hybrid DE-PSO optimization-based SSSC damping controller
Inter-area mode oscillation