A high reliability, low cost, interleaved bridge converter

The interleaved bridge topology is introduced. This topology uses two transformers in series to act as both inductor and transformer, allowing zero voltage resonant transition switching for high-frequency, low-loss operation. High frequency reduces the requirement for large filter capacitors, as well as reducing the size of the magnetics. Costs are reduced by trading electrolytic capacitors for ceramic capacitors, which also improves reliability. Costs are also reduced by eliminating gate driving isolation transformers and snubbers. Experimental results compare favorably with those for previous designs and costs