Research Article

Controlling Transformer Magnetizing Offset Current in Isolated Phase-Shift Full-Bridge Converters Using a Luenberger Observer

Table 1

Transformer parameter for simulation and PSFB proto type.

Parametervariablevalue

Sampling time
Transformer ratio
Magnetization inductor
Leakage inductor
Magnetic resistance
Parasitic resistance (prim)
Parasitic resistance (sec)
Reference measuring inductor