It is assumed that both converters are operated at the maximum output voltage mode, that is, at the frequency that produces the maximum output voltage. As was shown earlier [3],[5], the frequency of maximum output is different from the mechanical resonant frequency. The principle of operation of the VD rectifier when operating at the maximum output voltage mode was studied in [3] and is further developed in the present work. Current doubler rectifier operating at the mechanical resonant frequency of PT was studied earlier [6] while the present work studies its operation at the maximum output voltage mode. In order to generalize the model of the PT converter, we apply