Mathematical Problems in Engineering / 2015 / Article / Tab 6

Research Article

Modified Quasi-Steady State Model of DC System for Transient Stability Simulation under Asymmetric Faults

Table 6

Steady state DC values and errors during the 100 ms double phase-grounded fault for QSS and MQSS models.

Double phase-grounded
resistance ()
ParametersEMT model (pu)QSS model (pu)Modified model (pu)Relative error of
QSS model (%)
Relative error of
modified model (%)

600.65000.85000.747030.7714.92
0.48000.74000.621754.1729.31
0.47500.72500.638052.6334.32

800.70500.88400.706925.390.27
0.57000.77900.573336.675.79
0.57500.78000.642435.6511.72

1000.79000.92000.810416.462.58
0.65000.80000.648623.080.22
0.65200.81500.662325.001.58