Research Article

A Multiport Electric Energy Routing Scheme Applied to Battery Energy Storage System

Table 1

Simulation model parameters.

ParametersValue

CF-IBDC moduleNumber of cascadesM = 4
Repurposed battery capacity4000 Ah
Repurposed battery SOC range20%∼80%
Repurposed battery voltage range300 V∼400 V
Rated input voltage375 V
Low-voltage bus voltage750 V
High-voltage bus voltage750 V
Transformer ratio1 : 1 : 1
Switching frequency100 kHz
Rated power62.5 kW

Cascade H-bridge moduleNumber of H-bridgesN = 4
DC bus voltage3000 V
Switching frequency5 kHz
Input capacitance120 μF
Filter inductor0.8 mH
Line resistance0.36 Ω
System capacity3 MVA
Number of inverter levels9
Effective value of line voltage12 kV