Table 1 Status on reconfiguration and fault-tolerance in DC-DC converter in the literature.

From: Low capacitor stress reconfigurable quadratic boost converter with fault tolerant capability for rooftop solar PV application

Ref

Topology

Fault

Reconfiguration

Operation continuity

Description

14

Synchronous boost converter

Switch

No

X

Fault diagnosis

11

Interleaved boost converter

Switch

Yes

✓

Application of phase -shift correction

17

Quasi-Z source converter

Switch

Yes

✓

Cascaded modules

18

Buck converter

Switch

Yes

✓

Buck to buck-boost converter

16

Buck converter

Switch and diode

No

X

Fault diagnosis

12

Boost converter

Switch

No

✓

Fault-tolerance with redundancy

27

Buch and boost converter

Switch and capacitor

No

X

Fault diagnosis

28

Buck converter

Switch and capacitor

No

X

Fault diagnosis

26

Modified boost converter

Switch

No

✓

Fault tolerance with additional switches

29

Resonant DC-DC converter

Switch

Yes

✓

Reconfigured from full bridge to half bridge converter

30

Buck converter

Switch

No

✓

Fault tolerance with stand-by mode switch

31

Dual active bridge converter

Active devices

Yes

✓

Fault-tolerant capacitors

32

Isolated converter

Switch

No

✓

Switching method

33

Dual active bridge converter

Multiphase

No

✓

Additional blocking capacitors

34

Multiport DC-DC converter

Switch

Yes

✓

Multiple switches

13

LLC converter

Switch

Yes

✓

Redundant circuit