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    • 41. 发明申请
    • CURRENT BALANCING APPARATUS, CURRENT BALANCING METHOD, AND POWER SUPPLY APPARATUS
    • 电流平衡装置,电流平衡方法和电源装置
    • US20100194199A1
    • 2010-08-05
    • US12691225
    • 2010-01-21
    • Kengo KIMURAShinji Aso
    • Kengo KIMURAShinji Aso
    • H02J1/14
    • H05B33/0827H05B33/0815Y10T307/414
    • A current balancing apparatus includes a first transformer having a first primary winding and a first secondary winding electromagnetically coupled with the first primary winding, the first primary winding having a first end connected to a first load that passes a first current; a second transformer having a second primary winding and a second secondary winding electromagnetically coupled with the second primary winding, the second primary winding having a first end connected to a second load that passes a second current having an AC component substantially having a 180-degree phase difference with respect to the first current; and a series circuit including the first secondary winding, the second secondary winding, and a current smoother, to balance the first current and second current with each other.
    • 电流平衡装置包括具有第一初级绕组和与第一初级绕组电磁耦合的第一次级绕组的第一变压器,第一初级绕组具有连接到通过第一电流的第一负载的第一端; 具有第二初级绕组和与所述第二初级绕组电磁耦合的第二次级绕组的第二变压器,所述第二初级绕组具有连接到第二负载的第一端,所述第二负载通过具有基本上具有180度相位的交流分量的第二电流 相对于第一个当前的差异; 以及包括第一次级绕组,第二次级绕组和电流平滑器的串联电路,以平衡第一电流和第二电流。
    • 42. 发明申请
    • Fuel Cell System with Electric Storage Device and Voltage Converter
    • 燃料电池系统与蓄电装置和电压转换器
    • US20090269622A1
    • 2009-10-29
    • US11992954
    • 2006-10-23
    • Shinji Aso
    • Shinji Aso
    • H01M16/00H01M8/04
    • B60L3/0046B60L3/003B60L3/0053H01M8/04223H01M8/043H01M8/04686H01M8/04753H01M8/0494H01M16/006H02J7/34H02J2001/004Y02T90/34
    • The present invention seeks, when a temporary abnormality occurs in a voltage converter, a recovery of the voltage converter, and minimizes the inadequacy of the drive power. In a fuel cell system comprising an electric storage device disposed with a voltage converter, in the case where an abnormality occurs in the voltage converter, the voltage converter is stopped once, an attempt is made to recover the voltage converter to a normal state after the voltage converter is stopped, and drive power is generated in at least a fuel cell until the voltage converter recovers to the normal state. It is preferred that an upper limit of the power which can be generated when the voltage converter recovers to the normal state be set to a value lower than an upper limit of power obtained prior to the occurrence of the abnormality. Further, it is preferred that the limit be canceled step by step when recovering the voltage converter to a normal state.
    • 本发明寻求在电压转换器中发生暂时异常时,恢复电压转换器,并最大限度地减小驱动功率的不足。 在包括设置有电压转换器的蓄电装置的燃料电池系统中,在电压转换器发生异常的情况下,电压转换器停止一次,试图将电压转换器恢复到正常状态 电压转换器停止,并且至少在燃料电池中产生驱动电力,直到电压转换器恢复到正常状态。 优选的是,当电压转换器恢复到正常状态时可以产生的功率的上限被设定为低于在异常发生之前获得的功率的上限的值。 此外,优选在将电压转换器恢复到正常状态时,逐步取消限制。
    • 44. 发明授权
    • DC converter
    • DC转换器
    • US07193867B2
    • 2007-03-20
    • US10549412
    • 2004-11-09
    • Shinji Aso
    • Shinji Aso
    • H02M3/335
    • H02M3/33569H02M2001/342Y02B70/1491
    • A DC converter alternately turns on and off a main switch Q1 connected in series with a primary winding P1 of a transformer T and a sub-switch Q2 contained in a series circuit connected to each end of the primary winding P1 of the transformer T or to each end of the main switch Q1, rectifies and smoothes a voltage of a secondary winding S1 of the transformer T, and provides a DC output. The DC converter includes a time difference detection circuit 13 to detect an interval between when the main switch Q1 reaches a minimum voltage after the sub-switch Q2 is turned off and when the main switch Q1 is turned on and a first delay circuit 14 to delay the ON timing of the main switch Q1 according to an output from the time difference detection circuit 13 so that the main switch Q1 is turned on at around the minimum voltage.
    • DC转换器交替地接通和断开与变压器T的初级绕组P 1串联连接的主开关Q 1和包含在串联电路中的副开关Q 2,该串联电路与第一绕组P 1的每一端连接 变压器T或主开关Q 1的各端,整流和平滑变压器T的次级绕组S1的电压,并提供直流输出。 DC转换器包括时差检测电路13,用于检测在副开关Q 2截止之后主开关Q 1达到最小电压之间的间隔以及主开关Q 1导通时的间隔和第一延迟电路 14根据时差检测电路13的输出延迟主开关Q 1的导通定时,使得主开关Q 1在最小电压附近接通。
    • 45. 发明授权
    • Dc converter
    • Dc转换器
    • US07075801B2
    • 2006-07-11
    • US10531789
    • 2004-06-01
    • Shinji Aso
    • Shinji Aso
    • H02M3/335
    • H02M1/34H02M3/33507H02M3/33569H02M2001/342Y02B70/1491
    • What is provided is a direct-current converter which improves unstableness of operations owing to an error of a bottom detection circuit and fluctuations of a detection point which are caused by disturbance. The direct-current converter includes a bottom detection circuit 13 which detects a minimum voltage of a main switch Q1 after an auxiliary switch Q2 is switched off, an ideal gate signal generation circuit 21 which generates an ideal gate signal for switching on the main switch Q1 at a time of the minimum voltage of the main switch Q1 based on an output of the bottom detection circuit 13, a comparison circuit 22 which calculates an error output between the ideal gate signal generated by the ideal gate signal generation circuit 21 and an actual gate signal which switches on the main switch Q1, and a first delay circuit 14 which controls a delay of an ON time of the main switch Q1 by the actual gate signal based on the error output of the comparison circuit 22, thereby performing control to make the actual gate signal approach the ideal gate signal.
    • 提供了一种直流电转换器,其由于底部检测电路的误差和由干扰引起的检测点的波动而改善了操作的不稳定性。 直流电流转换器包括底部检测电路13,其在辅助开关Q 2关断之后检测主开关Q 1的最小电压;理想的栅极信号产生电路21,其产生用于接通主开关Q 2的理想的栅极信号 基于底部检测电路13的输出,在主开关Q 1的最小电压时切换Q1;比较电路22,其计算由理想栅极信号生成电路21产生的理想栅极信号之间的误差输出 以及接通主开关Q 1的实际栅极信号,以及基于比较电路22的误差输出,通过实际的栅极信号控制主开关Q 1的导通时间的延迟的第一延迟电路14, 从而执行控制以使实际的栅极信号接近理想的栅极信号。