Fault Handling Methods and Comparison for Different DC Breaker Topologies and MMC Topologies of the HVDC System

Figure 13

Decay time of the fault current in HVDC line with different fault location (second new topology). (a) = 20 km, = 0 s, = 4 ms, and = 75 ms. (b) = 50 km, = 0 s, = 4 ms, and = 37 ms. (c) = 100 km, = 0 s, = 4 ms, and = 44 ms. (d) = 200 km, = 0 s, = 4 ms, and = 55 ms.

(a)

(b)

(c)

(d)