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    • 5. 发明授权
    • DC-DC converter and power supplying system including same
    • DC-DC转换器和包括它的供电系统
    • US08228690B2
    • 2012-07-24
    • US12851144
    • 2010-08-05
    • Yasuto WatanabeMitsuaki Hirakawa
    • Yasuto WatanabeMitsuaki Hirakawa
    • H02M3/335H02M1/10
    • H02M3/1584H02J1/10H02J2001/004Y10T307/50Y10T307/658
    • A DC-DC converter has a first-voltage-side port, a second-voltage-side port, and a third-voltage-side port, and performs, at different timings, an operation of boosting a first voltage to a third voltage and an operation of bucking a second voltage to the third voltage. A power supplying system includes a fuel cell, a secondary battery, an accessory system, the DC-DC converter, and another DC-DC converter connected between the fuel cell and a motor, and boosting the first voltage of the fuel cell to a fourth voltage to supply power to the motor through an inverter. The former DC-DC converter has the first-voltage-side port connected to the fuel cell, has the second-voltage-side port connected to the secondary battery, and has the third-voltage-side port connected to the accessory system.
    • DC-DC转换器具有第一电压侧端口,第二电压侧端口和第三电压侧端口,并且在不同的定时执行将第一电压升压到第三电压的操作,以及 将第二电压抵消到第三电压的操作。 供电系统包括燃料电池,二次电池,附件系统,DC-DC转换器和连接在燃料电池和电动机之间的另一个DC-DC转换器,并将燃料电池的第一电压升压到第四 电压通过变频​​器向电机供电。 前一个DC-DC转换器具有连接到燃料电池的第一电压侧端口,具有连接到二次电池的第二电压侧端口,并且具有连接到附件系统的第三电压侧端口。
    • 6. 发明申请
    • DC/DC CONVERTER
    • DC / DC转换器
    • US20120134180A1
    • 2012-05-31
    • US13388766
    • 2010-08-03
    • Yasuto WatanabeMitsuaki Hirakawa
    • Yasuto WatanabeMitsuaki Hirakawa
    • H02M3/335
    • H02M3/1582H02M3/1584
    • To provide a DC/DC converter capable of down-sizing magnetic components and varying boosting and bucking ratios, and a bidirectional boosting-bucking operations, a bidirectional boosting-bucking magnetic-field cancellation type of DC/DC converter (10) is provided which includes: a first voltage side port (P1), a second voltage side port (P2); a common reference terminal (CP), a smoothing capacitor (C1), four switching elements (SW1, SW2, SW3, SW4), an inductors (L1, L2), a magnetic-field cancellation type transformer T including a primary winding (L3) and a secondary winging (L4), four switching elements (SW5, SW6, SW7, SW8), and a smoothing capacitor (C2).
    • 为了提供能够减小磁性部件的尺寸和改变升压和降压比的DC / DC转换器以及双向增压降压操作,提供了一种双向升压降压磁场消除型DC / DC转换器(10) 包括:第一电压侧端口(P1),第二电压侧端口(P2); 公共基准端子(CP),平滑电容器(C1),四个开关元件(SW1,SW2,SW3,SW4),电感器(L1,L2),包括初级绕组 )和次级翼(L4),四个开关元件(SW5,SW6,SW7,SW8)和平滑电容器(C2)。
    • 9. 发明申请
    • DC/DC converter and program
    • DC / DC转换器和程序
    • US20050174097A1
    • 2005-08-11
    • US11047671
    • 2005-02-02
    • Kouya KimuraYasuto WatanabeMitsuaki Hirakawa
    • Kouya KimuraYasuto WatanabeMitsuaki Hirakawa
    • H02M3/155H02M3/158G05F1/40
    • H02M3/1584
    • A small and light weight DC/DC converter is provided comprising a coil in which a first coil and a second coil are wound in opposite directions (reversed phases) on the same core is used, and at the same time as when an excitation current is flowed in the first coil with a switch ON and a switch OFF, an electric current is generated in the second coil in a direction to offset the magnetization of the core, and the electric current from the second coil is transferred to an output side capacitor. Similarly, at the same time as an excitation current is flowed in the second coil with the switch ON and the switch OFF, an electric current is generated in the first coil in a direction to offset the magnetization of the core, and the electric current from the first coil is transferred to the output side capacitor.
    • 提供了一种小型轻型DC / DC转换器,其包括线圈,其中第一线圈和第二线圈沿相同方向(反相)缠绕在相同的芯上,并且在激励电流为 在开关ON和开关OFF的第一线圈中流动,在第二线圈中产生电流以抵消芯的磁化的方向,并且来自第二线圈的电流被传送到输出侧电容器。 类似地,同时当开关接通和断开时,激励电流在第二线圈中流动,在第一线圈中产生电流以抵消芯的磁化方向,并且电流从 第一线圈被传送到输出侧电容器。