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    • 8. 发明申请
    • DC-DC CONVERTER
    • DC-DC转换器
    • US20150070942A1
    • 2015-03-12
    • US14385322
    • 2013-01-24
    • Sanken Electric Co., Ltd.National University Corporation Shimane University
    • Hiromitsu TeruiHideki AsukeHideharu TakanoMasayoshi YamamotoJun Imaoka
    • H02M3/335
    • A DC-DC converter includes a coupling transformer that has windings 11 and 12, switches (Tr1, Tr2) that are connected through the windings to both ends of a DC power source Vi, a series circuit that is connected to both ends of each of the switches and includes a diode and a smoothing capacitor, and a controller 100 that alternately turns on the switches Tr1 and Tr2 and simultaneously turns on the switches Tr1 and Tr2 for a predetermined overlapping period on every half cycle. The coupling transformer 1 includes an I-shaped core 4, two E-shaped cores 2 and 3 holding the I-shaped core 4 between them, and a gap 5 formed between each of center legs 2a and 3a of the E-shaped cores 2 and 3 and the I-shaped core 4. The windings 11 and 12 are wound around the I-shaped core 4.
    • DC-DC转换器包括具有绕组11和12的耦合变压器,通过绕组连接到直流电源Vi两端的开关(Tr1,Tr2),连接到每个的两端的串联电路 开关并包括二极管和平滑电容器,以及控制器100,其交替地接通开关Tr1和Tr2,并且在每半个周期同时使开关Tr1和Tr2导通预定的重叠周期。 耦合变压器1包括I形磁芯4,在它们之间保持I形磁芯4的两个E形磁芯2和3以及在E形磁芯2的每个中心支腿2a和3a之间形成的间隙5 绕组11和12缠绕在I形芯4上。
    • 10. 发明申请
    • RESONANT POWER CONVERSION APPARATUS
    • 谐振电源转换装置
    • US20110051474A1
    • 2011-03-03
    • US12861327
    • 2010-08-23
    • Hiromitsu TERUIHideki AsukeHideharu TakanoMasayoshi Yamamoto
    • Hiromitsu TERUIHideki AsukeHideharu TakanoMasayoshi Yamamoto
    • H02M5/45
    • H02M1/34H02M7/4826H02M2007/4811
    • A resonant power conversion apparatus includes a transformer T1 having a primary winding n1, a secondary winding n2, a tertiary winding n3, and a reset winding nR, a series circuit of switches S1 and S2, a capacitor Cr1 and diode D1 to the switch S1, a capacitor Cr2 and diode D2 to the switch S2, a series circuit of the winding n1 and a diode Dn1, a series circuit of the winding nR and a diode DR, a reactor Lr connected between a connection point of the switches S1 and S2 and a connection point of the windings n2 and n3, a switch S10 connected between the DC power source and the winding n2, a switch S20 connected between the DC power source and the winding n3, and a controller 10 configured to perform a zero-voltage switching operation of the switches S1 and S2.
    • 谐振功率转换装置包括具有初级绕组n1,次级绕组n2,第三绕组n3和复位绕组nR的变压器T1,开关S1和S2的串联电路,电容器Cr1和二极管D1到开关S1 ,开关S2的电容器Cr2和二极管D2,绕组n1和二极管Dn1的串联电路,绕组nR和二极管DR的串联电路,连接在开关S1和S2的连接点之间的电抗器Lr 和绕组n2和n3的连接点,连接在直流电源和绕组n2之间的开关S10,连接在直流电源和绕组n3之间的开关S20,以及被配置为执行零电压 开关S1和S2的切换操作。