A Hybrid MMC Topology with dc Fault Ride-Through Capability for MTDC Transmission System

Figure 11

Waveforms of fault state simulation: (a) and (b) active and reactive power variations; (c) and (d) dc voltage and current of MMC1; (e) and (f) upper and lower bridge SM capacitor voltages; (g) and (h) ac side three-phase voltage and current of MMC1.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)