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
    • 3. 发明公开
    • Driving system for rail vehicles
    • 铁路车辆驱动系统
    • EP2127935A3
    • 2013-01-16
    • EP09250528.8
    • 2009-02-26
    • Hitachi Ltd.
    • Shimada, MotomiHorie, AkiraKaneko, Takashi ,Sato, Yutaka
    • B60L11/18H02J7/00H02J7/14
    • B60L11/1803B60L2200/26H02J7/0018H02J7/0021H02J7/1423Y02T10/7005Y02T10/7055
    • The invention enables to control the currents charged to and discharged from respective power storage systems individually even if the properties such as the types, the ages and the power storage capacities of the means of energy storage constituting the power storage systems mounted in dispersed manner in multiple cars vary, to thereby equalize and elongate the replacement period and cut down the replacement work of the power storage systems. The present system provides a current control means to power lines provided to share power for driving power storage systems and inverter units mounted in dispersed manner among multiple cars so as to individually control the current being charged to and discharged from the respective power storage systems, wherein a specific power storage system out of the plurality of storage units mounted in dispersed manner tomultiple cars controls a current control means so as tomaintain the voltage value of a power line for sharing the power for driving inverter units among cars to a constant value, and the remaining power storage systems control the current control means so as to reduce or increase the charge-discharge power or current so that the dispersion of deterioration indexes of means of energy storage is minimized, and further, the specific power storage system selects a power storage system with a means of energy storage having a deterioration index closest to the average value.
    • 5. 发明公开
    • Drive system and control method of train
    • 列车驱动系统及控制方法
    • EP2650186A3
    • 2017-08-30
    • EP13162795.2
    • 2013-04-08
    • Hitachi, Ltd.
    • Araki, DaijiroMochizuki, KentoShimada, MotomiNagasu, Masahiro
    • B61C7/04B60L11/02B60L11/18
    • B61C7/04B60L11/08B60L11/1803B60L15/38B60L2200/26B60L2240/12B60L2240/441B60L2240/443B60L2240/80B60L2260/26Y02T10/646Y02T10/70Y02T10/7005Y02T30/16
    • In a drive system for a train with plural vehicles coupled together, each of the vehicles (1) includes: an engine (2); a generator (3) that is driven by the engine; a converter (4) that converts alternating current from the generator into direct current; an inverter (5) that converts direct current from the converter into variable voltage, variable frequency alternating current; an auxiliary power (7) unit that is connected in parallel with an output of the converter (4) to supply direct current to auxiliary equipment including an air conditioner; and at least one or more AC electric motors (8) that are driven by the inverter (5). The drive system is configured to individually control start/stop, rotational speed, or output of the engines mounted on the plural vehicles and change in a specific order the start/stop, rotational speed, or output of the engines mounted on the plural vehicles.
    • 在具有多个车辆连接在一起的列车的驱动系统中,每个车辆(1)包括:发动机(2);以及发动机(2)。 由发动机驱动的发电机(3) 转换器(4),其将来自发电机的交流电转换为直流电; 逆变器(5),其将来自所述转换器的直流电转换成可变频率的可变频率交流电; 与所述转换器(4)的输出并联连接以向包括空调在内的辅助设备提供直流电流的辅助电源(7)单元; 以及由逆变器(5)驱动的至少一个或多个AC电动机(8)。 驱动系统被构造成单独地控制安装在多个车辆上的发动机的启动/停止,转速或输出,并以特定顺序改变安装在多个车辆上的发动机的启动/停止,转速或输出。
    • 8. 发明公开
    • Traction system for railway vehicles and railway vehicles where the system is equipped
    • 用于轨道车辆和轨道车辆驱动系统,其中所述系统配备
    • EP2805862A1
    • 2014-11-26
    • EP14164437.7
    • 2014-04-11
    • Hitachi Ltd.
    • Shimada, MotomiInarida, SatoruMochizuki, KentoAgatsuma, Koji
    • B61C7/04
    • B61C7/04Y02T30/16
    • To provide an energy-saving traction system for railway vehicles directly traveling through an electrified section and a non-electrified section, the traction system being capable of completing coolant pre-heating and warm-up operation for a minimum required period until the vehicle travels in the non-electrified section. A traction system for railway vehicles using a diesel engine generator traction system includes: a coolant pre-heating time calculating unit which, on the basis of outside air temperature and coolant temperature information respectively obtained by an outside air temperature sensor and a coolant temperature sensor, selects an optimum curve from coolant pre-heating curves stored in an information storage unit, and estimates a minimum time required for pre-heating coolant to a predetermined temperature; a coolant pre-heating start position calculating unit which determines a point of starting the pre-heating of coolant on the basis of engine operation start point information similarly stored in the information storage unit; and a current travel position calculating unit which specifies a current travel position by collating the point passage information detected by a travel position detector, with the route information stored in the information storage unit, and further calculates a current travel position by correction by a travel speed sensor. The traction system is further configured such that the pre-heating of coolant is started when the current travel position of the vehicle passes through the pre-heating start point.
    • 到用于铁路车辆上的电气化区间和非电气化区间,牵引系统能够完成冷却剂预加热和预热运转为最小所需周期直到车辆在行驶的直接行进通过提供节能牵引系统上 非电气化区间。 用于使用柴油发电机的牵引系统的铁路车辆的牵引系统包括:冷却剂预加热时间计算单元,其在外部空气温度和在外部空气温度传感器和冷却剂温度传感器通过分别获得的冷却剂温度的信息的基础上, 选择在从存储在存储单元中的信息冷却剂预加热曲线最佳曲线,并估计预加热冷却剂到预定温度所需的最小时间; 冷却剂预加热开始位置计算单元,其bestimmt起始的同样存储在信息存储单元的发动机操作开始点信息的基础上冷却剂的预加热的点; 和当前行驶位置计算单元,其通过核对由行进位置检测器检测的点通道的信息,与存储在所述信息存储单元中的路由信息​​指定当前行驶位置,并且此外,通过行驶速度计算通过校正的当前行驶位置 传感器。 牵引系统被配置进一步调查做冷却剂的预加热开始当车辆的当前行驶位置经过预加热开始点。
    • 10. 发明公开
    • Power converter and power converter of rolling stock
    • Leistungswandler und LeistungswandlerfürSchienenfahrzeug
    • EP2498387A1
    • 2012-09-12
    • EP12154436.5
    • 2012-02-08
    • Hitachi Ltd.
    • Sugiura, TetsuNagasu, MasahiroShimada, MotomiOishi, RyoichiSato, TadanoriSekine, Toshio
    • H02M1/14H02M7/797B60L7/16B60L9/18
    • The present invention aims at suppressing the ripples of discharge and charge currents generated via switching control of a power semiconductor device in a battery. The object of the present invention can be achieved by providing a power converter comprising an inverter, an AC load driven by the inverter, a battery absorbing a regeneration electric power of the AC load, and a DC-DC converter controlling the electric power absorbed by the battery, wherein a capacitor for absorbing current ripples superposed in the DC-DC converter is connected in parallel with the battery, and wherein the inductance of the electric wiring disposed between the capacitor and the DC-DC converter is set to be smaller than the inductance of the electric wiring disposed between the battery and the DC-DC converter.
    • 本发明旨在抑制通过电池中的功率半导体器件的开关控制产生的放电波纹和充电电流。 本发明的目的可以通过提供一种功率转换器来实现,所述功率转换器包括逆变器,由逆变器驱动的AC负载,吸收AC负载的再生电力的电池以及控制由AC负载吸收的电力的DC-DC转换器 电池,其中用于吸收叠加在DC-DC转换器中的电流波纹的电容器与电池并联连接,并且其中布置在电容器和DC-DC转换器之间的电线的电感被设置为小于 设置在电池和DC-DC转换器之间的电线的电感。