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An isolated three-port DC-DC converter with high power density in 10 cm × 5 cm × 0.8 cm card size for flexible automotive systems

机译:隔离式三端口DC-DC转换器,具有10 cm×5 cm×0.8 cm卡大小的高功率密度,适用于灵活的汽车系统

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A credit-card sized three-port dc-dc converter (TPC) has been designed and constructed. The TPC has three DC ports in one circuit, and DC power can be transferred without interference mutually. A dual active bridge converter (DAB) and a non-isolated bi-directional dc-dc converter (NBC) are integrated in the TPC by using a technique known as magnetic coupling inductor. Both thermal and soft-switching analysis are conducted to realize a high energy density of prototype, where a 750 W, 375 kHz, 18 W/cc is achieved. The efficiency and total losses have been measured in order to verify the validity of the proposed converter, and efficiency over 90% in wide range of output power is achieved by using Si MOSFETs.
机译:设计并构造了信用卡大小的三端口DC-DC转换器(TPC)。 TPC在一个电路中具有三个DC端口,并且可以相互无干扰地传输DC电源。通过使用称为磁耦合电感器的技术,TPC中集成了一个双有源桥式转换器(DAB)和非隔离双向dc-dc转换器(NBC)。进行了热和软开关分析,以实现原型的高能量密度,其中实现了750 W,375 kHz,18 W / cc。为了验证所提出的转换器的有效性,已经对效率和总损耗进行了测量,通过使用Si MOSFET,可以在宽范围的输出功率范围内实现超过90%的效率。

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