Fig. 6
![Fig. 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41601-022-00224-3/MediaObjects/41601_2022_224_Fig6_HTML.png)
DC voltages of VSC stations in different control methods: a fixed droop control. b P-based adaptive droop control. c P–V-based adaptive droop control. d proposed adaptive droop control
DC voltages of VSC stations in different control methods: a fixed droop control. b P-based adaptive droop control. c P–V-based adaptive droop control. d proposed adaptive droop control