Improved Power Flow Algorithm for VSC-HVDC System Based on High-Order Newton-Type Method

Table 10

Comparison of iteration times and computing time

Control mode	Iteration times		Computing time (ms)
VSC1 + VSC2	Algorithm 1 + AD	Algorithm 2 + AD	Algorithm 1 + AD	Algorithm 2 + AD
① + ③	2	2	0.15	0.31
① + ④	2	2	0.31	0.31
② + ③	2	2	0.31	0.32
② + ④	2	2	0.31	0.32