Table 2 Comparisons of control strategies for the DAB converter.
From: Current stress minimization for isolated dual active bridge DC–DC converter
Proposed method | ||||
|---|---|---|---|---|
Switching frequency | Variable frequency | Variable frequency | Constant frequency | Constant frequency |
Control strategy | SPS | EPS | TPS | Modified DPS |
Solution of the strategy | Off-line | Real time | Real time | Real time |
Working modes | Not optimal | Not optimal | Locally optimal | Globally optimum |
Soft switching strategy | Auxiliary component | Not global soft switching | Magnetizing inductance | Inherent |
Design computationl complexity | Low | High | Moderate | Moderate |
Current stress reduction | Low | Medium | Medium | High |
Wide conversation ratio capacity | Low | High | Moderate | Moderate |