基于LCL谐振型双有源桥的三端口DC-DC变换器及其解耦控制

王荣闯,王杉杉,高明,石健将

Three-port DC-DC converter based on LCL resonant dual active bridge and its decoupling control

Rong-chuang WANG,Shan-shan WANG,Ming GAO,Jian-jiang SHI

表 1 样机主要设计参数

Tab.1 Key design parameters of prototype

参数 取值 开关频率 ${f_{\rm{s}}}$/kHz 25 变压器匝比1∶n 1∶3 端口1输入电压 ${{U}_1}$/V 50 端口2输入电压 ${{U}_2}$/V 17.5~32.5 端口3输出电压 ${{U}_3}$/V 150 谐振电感 ${L_{\rm{r}}}$/μH 21.5 谐振电容 ${C_{\rm{r}}}$/μF 1.88 特征阻抗 ${Z_0}$/Ω 3.38 滤波电感 ${L_{{\rm{b}}1}}$、 ${L_{{\rm{b2}}}}$/μH 250 滤波电容 ${C_{{\rm{port}}1}}$、 ${C_{{\rm{port}}2}}$、 ${C_{{\rm{port}}3}}$/μF 1000