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    • 7. 发明授权
    • Method for charging an intermediate circuit capacitor
    • 中间电路电容器充电方法
    • US09531211B2
    • 2016-12-27
    • US13979239
    • 2011-11-17
    • Ralph SchmidtStefan ButzmannHolger Fink
    • Ralph SchmidtStefan ButzmannHolger Fink
    • H02P1/00H02J7/00B60L11/18H02J7/34
    • H02J7/0065B60L11/1803H02J7/0013H02J7/345Y02T10/7005Y02T10/7055Y02T10/7258
    • The disclosure relates to a method for charging an intermediate circuit capacitor in an electric drive unit comprising an electric motor. The intermediate circuit capacitor is charged by an intermediate circuit current that is supplied by a battery. The output voltage of the battery is settable to one or more voltage values. A target value of the intermediate circuit current is determined, and an actual value of the intermediate circuit current is ascertained. The actual value of the intermediate circuit current is then compared with the target value of the intermediate circuit current. An optimal output voltage of the battery is determined on the basis of the comparison of the actual value of the intermediate circuit current with the target value of the intermediate circuit current. Then, the optimal output voltage of the battery is set.
    • 本发明涉及一种用于在包括电动机的电驱动单元中对中间电路电容器充电的方法。 中间电路电容器由由电池提供的中间电路电流充电。 电池的输出电压可设定为一个或多个电压值。 确定中间电路电流的目标值,并确定中间电路电流的实际值。 然后将中间电路电流的实际值与中间电路电流的目标值进行比较。 基于中间电路电流的实际值与中间电路电流的目标值的比较来确定电池的最佳输出电压。 然后,设置电池的最佳输出电压。
    • 8. 发明授权
    • Drive unit for an electric motor
    • 电动机驱动装置
    • US09203336B2
    • 2015-12-01
    • US14114225
    • 2012-04-24
    • Stefan ButzmannHolger Fink
    • Stefan ButzmannHolger Fink
    • H02P23/00H02M7/483H02M7/487B60L11/18H02J7/02H02P27/14
    • H02P23/00B60L11/1803B60L11/1864H02J7/022H02M7/483H02M7/487H02P27/14Y02T10/642Y02T10/7005Y02T10/7011Y02T10/7061
    • A drive unit for an electric motor comprises a multilevel inverter and a battery. The battery comprises at least one battery module train comprising a plurality of battery modules connected in series, each module having at least one battery cell and one coupling unit. The at least one battery cell is connected between a first input and a second input of the coupling unit. The coupling unit is designed to connect the at least one battery cell between two terminals of the battery module in response to on a first control signal and to connect the two terminals in response to a second control signal. Several center taps are arranged on the battery module train, by means of which a potential can be tapped at a connection between two battery modules respectively. Inputs of the multilevel inverter are connected to the taps.
    • 用于电动机的驱动单元包括多电平逆变器和电池。 电池包括至少一个电池模块列,其包括串联连接的多个电池模块,每个模块具有至少一个电池单元和一个耦合单元。 至少一个电池单元连接在耦合单元的第一输入端和第二输入端之间。 耦合单元被设计成响应于第一控制信号将电池模块的两个端子之间的至少一个电池单元连接起来,并响应于第二控制信号连接两个端子。 电池模块列上布置有几个中心抽头,通过它们可分别在两个电池模块之间的连接处敲击一个电位。 多电平逆变器的输入连接到抽头。