An Improved Topology of Isolated Bidirectional Resonant DC-DC Converter Based on Wide Bandgap Transistors for Electric Vehicle Onboard Chargers

Table 3

Performance comparison with existing topologies.

Criteria	[15]	[34]	[35]	[36]	This work
Max (V)	465	540	400	400	610
Switch technology	GaN	GaN	GaN	GaN	GaN
Switching frequency (MHz)	1	0.391	1	0.5	1
Resonant elements	5	5	8	4	4
Highest G2V efficiency (%)	97.2	95.2	92.2	97.02	97.4
Highest V2G efficiency (%)	97	95.7	92	95.96	96.67
Peak output power (kW)	5	1	0.4	0.4	5