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. 2023 Aug 4;9(8):e18808. doi: 10.1016/j.heliyon.2023.e18808

Table 7.

Comparison of dc/dc topologies [59,62].

Full bridge - LLC resonant converter Full bridge-phase shift converter
Peak device stress on primary and secondary side High Mid low
Transformer KVA rating High Medium
Power output to transformer KVA rating Low Medium
Input and output capacitor RMS currents High Medium
Operation Unidirectional Unidirectional
Conduction losses High Medium
Control complexity Moderate Very simple
Wide battery voltage, fixed bus voltage No, needs additional DC/DC stage Yes (with reduced efficiency)
Paralleling modules Intensive Easy
Switching frequency Fixed/High/(Si/SIC) High
switching loss when Turn ON ZVS ZVS
switching loss when Turn OFF Low (ZCS) High
Total losses Low Higher