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    • 6. 发明申请
    • CELL BALANCING WITH DC-DC CONVERTERS
    • 与DC-DC转换器的电池平衡
    • WO2010029356A1
    • 2010-03-18
    • PCT/GB2009/051152
    • 2009-09-09
    • Ricardo UK LimitedMILLER, Peter
    • MILLER, Peter
    • H02J7/00H01M10/44B60L11/18
    • H02J7/0019H01M10/425H01M10/482H01M10/486Y02T10/7055
    • Apparatus for balancing a plurality of connected cells in a battery which battery comprises a first module containing a first plurality of groups of cells and second module containing a second plurality of groups cells, the apparatus comprising one or more processors, one or more inputs connected to the one or more processors, a first set of switches configured to be connected to the first plurality of groups of cells, a first DC to DC converter connected to the first set of switches and configured to be connected to the second plurality of groups of cells of the second module, a second set of switches configured to be connected to the second plurality of groups of cells, a second DC to DC converter connected to the second set of switches and configured to be connected to cells of a module different to the second module, wherein one or more of the processors are programmed to calculate which groups of cells of the first plurality of groups of cells should be charged to balance the battery pack based on signals from one of the inputs, such as from a voltmeter or state of charge estimator, and is programmed to open one or more of the first set of switches corresponding to one or more groups of cells it is desired to charge, so that in use when connected to the battery pack power from the second module charges one or more groups of cells of the first module, and wherein one or more of the processors is programmed to calculate which groups of cells of the second plurality of groups of cells should be charged to balance the battery pack based on signals from one of the inputs, and is programmed to open one or more of the second set of switches corresponding to one or more groups of cells it is desired to charge, so that in use when connected to the battery pack, power from a different module to the second module charges one or more groups of cells of the second module.
    • 用于平衡电池中的多个连接的单元的装置,该电池包括包含第一多个单元组的第一模块和包含第二多个组单元的第二模块,该装置包括一个或多个处理器,一个或多个输入连接到 所述一个或多个处理器,被配置为连接到所述第一多个单元组的第一组开关,连接到所述第一组开关并被配置为连接到所述第二多个单元组的第一DC至DC转换器 的第二组开关,被配置为连接到所述第二多个单元组的第二组开关,连接到所述第二组开关的第二DC-DC转换器,并且被配置为连接到与所述第二组开关不同的模块的单元 模块,其中一个或多个所述处理器被编程为计算应当对所述第一组多个单元组中的哪些单元组进行充电以平衡所述絮垫 基于来自诸如来自电压计或充电状态估计器的输入之一的信号,并且被编程为打开与期望充电的一个或多个单元组对应的第一组开关中的一个或多个, 使得在连接到电池组时的使用中,来自第二模块的电力为第一模块的一个或多个单元组充电,并且其中一个或多个处理器被编程为计算第二组的第二组的单元格组 应该根据来自其中一个输入的信号对电池组进行充电以平衡电池组,并且被编程为打开与期望充电的一组或多组电池相对应的第二组开关中的一个或多个,使得在使用中 当连接到电池组时,来自不同模块的功率从第二模块向第二模块的一组或多组单元充电。
    • 9. 发明申请
    • ENERGY SYSTEM FOR HEAVY EQUIPMENT
    • 重型设备能源系统
    • WO2013052293A1
    • 2013-04-11
    • PCT/US2012/056825
    • 2012-09-24
    • CATERPILLAR GLOBAL MINING LLCABDEL-BAQU, OmarNASIRI, AdelMILLER, PeterHELFRICH, Joe
    • ABDEL-BAQU, OmarNASIRI, AdelMILLER, PeterHELFRICH, Joe
    • E02F9/20B60W10/24
    • E02F9/0808E02F9/2075E02F9/2091H02P9/04
    • An energy system for heavy equipment having an actuator for operating a tool includes a bus, an engine, a generator, an energy storage device, and a controller. The bus is for providing electricity to the actuator as a function of operation of the tool. The engine is for providing a power output and the generator is coupled to the engine and configured to provide electricity to the bus. The energy storage device is configured to receive electricity from the bus for storage of energy, and is further configured to provide electricity to the bus to supplement the electricity provided by the generator. The controller is configured to change the power output of the engine as a function of electrical demand on the bus. In response to a change in the electrical demand, the controller is configured to change the power output of the engine at a rate that is less than a maximum capability of the engine.
    • 用于具有用于操作工具的致动器的重型设备的能量系统包括总线,发动机,发电机,能量存储装置和控制器。 总线用于向致动器提供电力作为工具的操作的功能。 发动机用于提供功率输出,发电机耦合到发动机并且被配置为向总线提供电力。 能量存储装置被配置为从总线接收用于存储能量的电力,并且还被配置为向总线提供电力以补充由发电机提供的电力。 控制器被配置为根据总线上的电力需求来改变发动机的功率输出。 响应于电力需求的变化,控制器被配置为以小于发动机的最大能力的速率改变发动机的功率输出。