On the Reliability of Transformerless Photovoltaic DC/AC Converters Based on Mission Profile

Table 8

Comparison of number of elements and inverter efficiency.

Topology	Switches	Diodes	Capacitors	Efficiency
Full bridge	4	X	X	99.05%
Double buck	4	4	X	98.93%
H5	5	X	X	98.67%
HERIC	6	X	X	98.53%
H6	6	2	X	98.55%
NPC	4	2	X	98.86%
Virtual DC bus	5	X	1	99.00%

X indicates that it is not applied for the system.