Research Article

Modified Space Vector Modulation for Cascaded H-Bridge Multilevel Inverter with Open-Circuit Power Cells

Table 7

Simulation results.

ScenariosNormalHA3 is faultHA3, HB1, HB3, and HB5 are fault

Time0−0.1 s0.1 s−0.2 s0.2 s−0.3 s
Reference voltage185 V
Output voltage185 V138 V
Level statePhase A[−5; 5][−4; 4][−4; 4]
Phase B[−5; 5][−5; 5][−2; 2]
Phase C[−5; 5][−5; 5][−4; 4]
THD (%)3.043.045.42
Current (A)3.83.82.7
CMV[−13 V; 13 V][−40 V; 40 V][−66 V; 66 V]