Table 2 Comparisons of control strategies for the DAB converter.

From: Current stress minimization for isolated dual active bridge DC–DC converter

 

13

16

18

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