High-efficiency and wide-gain synchronous rectification H-bridge bidirectional direct current converter

摘要: The invention discloses a high-efficiency and wide-gain synchronous rectification H-bridge bidirectional direct current converter, which comprises first transistor, second third transistor fourth wherein each of the is provided with an anti-paralleled diode; form circuit; connected positive end capacitor; negative one inductor between transistor; other capacitor transistor. converter meets application requirements step-up step-down low-voltage super high-voltage bus electric automobile power drive system; energy conversion efficiency improved through scheme; utilization rate switch device improved; very suitable for occasions composite source automobiles on high-range boost-buck converter.