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Table 1 Parameters of simulation system

From: A novel low voltage ride through strategy for cascaded power electronic transformer

Simulation parameters(unit) value
PET rated capacity(MVA) 3
PET rated AC voltage(kV) 10
PET rated DC voltage(kV) ±0.75
PET filter inductor (H) 0.02
PET equivalent resistance (Ω) 0.01
Transformer ratio 35/10.5
Transformer capacity (MVA) 30
Leakage resistance (p.u.) 0.1
DG rated capacity(MVA) 5
±375 V DC load LD1(MVA) 0.3
380 V AC load LD1(MVA) 0.2
±750 V DC load LD1(MVA) 2.5