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发明公开
CN105958818A 一种高效率高功率密度双向直流变换器 无效 - 驳回

一种高效率高功率密度双向直流变换器
摘要：
本发明公开了一种高效率高功率密度双向直流变换器，包括：低压侧等效电源VL，低压侧滤波电感L1、L2、L3、L4，低压侧滤波电容C1，带有反并联二极管的绝缘栅双极型晶体管 S1、S2、S3、S4、S5、S6，高压侧滤波电容C2，高压侧等效电源VH。低压侧等效电源VL与低压侧滤波电感L1、L2、L3、L4，低压侧滤波电容C1组成的三相交错并联LCL滤波器连接，三相交错并联LCL滤波器分别与带有反并联二极管的绝缘栅双极型晶体管 S1、S2、S3、S4、S5、S6组成的三相交错并联开关管连接，三相交错并联开关管与高压侧滤波电感C2和高压侧等效电源VH连接。
摘要（英）：

The invention discloses a high efficiency high power density bidirectional DC converter. The high efficiency high power density bidirectional DC converter comprises a low voltage side equivalent power source VL, low voltage side filtering inductors L1, L2, L3 and L4, a low voltage side filtering capacitor C1, insulated gate bipolar transistors S1, S2, S3, S4, S5 and S6 with anti-parallel diodes, a high voltage side filtering capacitor C2 and a high voltage side equivalent power source VH, wherein the low voltage side equivalent power source VL is connected with a three-phase interleaved parallel LCL filter formed by the low voltage side filtering inductors L1, L2, L3 and L4 and the low voltage side filtering capacitor C1, the three-phase interleaved parallel LCL filter and the insulated gate bipolar transistors S1, S2, S3, S4, S5 and S6 with the anti-parallel diodes form a three-phase interleaved parallel switch tube, and the three-phase interleaved parallel switch tube is connected with the high voltage side filtering capacitor C2 and the high voltage side equivalent power source VH.

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