一种含有软开关的非隔离型高增益dc/dc变换器

Non - isolated form high -gain DCDC converter that contains soft switch

Abstract

The utility model provides a non - isolated form high -gain DCDC converter that contains soft switch, contains two power inductance, two power switchs, soft switch auxiliary circuit and multiplication module, soft switch auxiliary circuit is become with two diode cluster by an electric capacity, the multiplication module comprises a plurality of multiplication units, and the multiplication unit is the unit that has four ports that comprises two diodes and two electric capacity, and the positive pole of upside diode is as first port, and the node of upside diode cathode and electric capacity is as the second port, and lower lateral capacitance and downside diode anode's node is as the third port, and downside diode cathode is as the fourth port. The utility model relates to a non - isolated form high -gain DCDC converter that contains soft switch has realized the adjustable high -gain, and multiplication unit of every increase in the multiplication module all can increase the basis gain of twice on primary wire's gain basis. The utility model discloses the circuit topology is simple to can reduce the voltage stress of switching element by a wide margin.
一种含有软开关的非隔离型高增益DC/DC变换器,包含两个功率电感,两个功率开关,软开关辅助电路和倍增模块;所述软开关辅助电路由一个电容和两个二极管组成;所述倍增模块由多个倍增单元组成,倍增单元是由两个二极管和两个电容构成的具有四个端口的单元,上侧二极管的阳极作为第一端口,上侧二极管阴极与电容的节点作为第二端口,下侧电容与下侧二极管阳极的节点作为第三端口,下侧二极管阴极作为第四端口。本实用新型一种含有软开关的非隔离型高增益DC/DC变换器,实现了可调的高增益,倍增模块中每增加一个倍增单元,都可在原电路的增益基础之上增加两倍的基础增益。本实用新型电路拓扑简单,并且可以大幅降低开关器件的电压应力。

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