会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Method and apparatus for controlling a battery car
    • 用于控制电池车的方法和装置
    • US5446365A
    • 1995-08-29
    • US62569
    • 1993-05-18
    • Yoshihito NomuraKoji EndoChihiro Okado
    • Yoshihito NomuraKoji EndoChihiro Okado
    • B60L7/10B60L1/08B60L7/12B60L11/00B60L11/18H02J7/00
    • B60L7/12B60L11/005B60L11/1805Y02T10/7005Y02T10/7022Y02T10/92Y10S320/34
    • A method of controlling a battery car in which a motor is driven by a battery and the battery is charged with regeneration power generated by deceleration torque comprises the steps of charging a large-capacitance capacitor connected in parallel with the battery and the motor while restricting a current flowing from the battery to the large-capacitance capacitor, when the voltage of the large-capacitance capacitor is lower than a first voltage, charging the battery to a preset voltage while restricting a current flowing from the large-capacitance capacitor to the battery, when a charging voltage of the large-capacitance capacitor is increased above a predetermined voltage by the regeneration power, and driving the motor with only the charge stored in the large-capacitance capacitor, when the voltage of the large-capacitance capacitor is at least a second voltage.
    • 一种控制电池车的方法,其中电动机由电池驱动,并且电池对由减速转矩产生的再生电力进行充电,包括以下步骤:对与电池和电动机并联连接的大容量电容器进行充电,同时限制 当大电容电容器的电压低于第一电压时,从电池流向大容量电容器的电流,在限制从大容量电容器流到电池的电流的同时将电池充电到预设电压, 当大电容电容器的充电电压通过再生功率增加到高于预定电压时,并且仅在大电容电容器中存储电荷驱动电动机时,当大电容电容器的电压至少为 第二电压。
    • 5. 发明授权
    • Power supply device for electromotive railcar
    • 电动轨道车用电源装置
    • US06388904B2
    • 2002-05-14
    • US09234714
    • 1999-01-21
    • Yoshihito Nomura
    • Yoshihito Nomura
    • H02M700
    • H02M7/08H02M3/33569H02M2001/0074
    • A power supply device for an electromotive railcar, including a series circuit composed of a plurality of first capacitors, connected to receive a first DC voltage from an electric power line; a plurality of DC/AC/DC converters. Each of the DC/AC/DC converters including an inverter bridge with an input thereof connected in parallel to one of the first capacitors and having a plurality of power transistors, an insulating transformer with a high carrier frequency and having a primary winding connected to an output of the inverter bridge, and a rectifier circuit connected to a secondary winding of the insulating transformer to output a DC voltage. The power supply device further including a smoothing circuit including a DC reactor and a second capacitor for smoothing the DC voltages output from the rectifier circuits of the DC/AC/DC converters, the smoothing circuit generating a second DC voltage; and a three-phase inverter including a bridge circuit having a plurality of power transistors, the three-phase inverter generating a three-phase AC voltage on the basis of the second DC voltage. The respective outputs of the rectifier circuits of the DC/AC/DC converters are connected to each other in parallel.
    • 一种用于电动轨道车的电源装置,包括由多个第一电容器组成的串联电路,连接以从电力线接收第一直流电压; 多个DC / AC / DC转换器。 每个DC / AC / DC转换器包括其输入端与第一电容器中的一个并联连接并具有多个功率晶体管的反相器桥,具有高载波频率的绝缘变压器,并且具有连接到 逆变器桥的输出,以及连接到绝缘变压器的次级绕组的整流电路,以输出直流电压。 所述电源装置还包括平滑电路,所述平滑电路包括DC电抗器和用于平滑从所述DC / AC / DC转换器的整流电路输出的DC电压的平滑电路,所述平滑电路产生第二DC电压; 以及包括具有多个功率晶体管的桥接电路的三相逆变器,所述三相逆变器基于所述第二DC电压产生三相AC电压。 DC / AC / DC转换器的整流电路的相应输出端并联连接。