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    • 96. 发明申请
    • CONTROLLER OF AC ELECTRIC VEHICLE
    • 交流电动车控制器
    • US20150191086A1
    • 2015-07-09
    • US14409396
    • 2012-06-29
    • Tetsuo SugaharaTakumi Uemura
    • Tetsuo SugaharaTakumi Uemura
    • B60L3/04
    • B60L3/04B60L3/00B60L7/14B60L9/005B60L9/28B60L2200/26B60L2210/20B60L2210/30B60L2210/40H02M1/32H02M7/48Y02T10/7241Y02T10/725
    • A controller of an AC electric vehicle includes a first specific-frequency-current computation unit that extracts a current component corresponding to a first specific frequency set value from a main-transformer output current and outputs the current component as a first specific-frequency current, a subtractor that subtracts the first specific-frequency current from the main-transformer output current and outputs a subtraction result as a current deviation, a second specific-frequency-current computation unit that extracts a current component corresponding to a second specific frequency set value from the current deviation and outputs the current component as a second specific-frequency current, and a power-failure detection unit that compares the second specific-frequency current with a predetermined power-failure detection-current set value and outputs a power-failure detection signal when the second specific-frequency current is larger than the power-failure detection-current set value.
    • 交流电动车辆的控制器包括第一特定频率电流计算单元,其从主变压器输出电流提取与第一特定频率设定值对应的电流分量,并将电流分量作为第一特定频率电流输出, 减法器,从主变压器输出电流中减去第一特定频率电流,并输出减法结果作为电流偏差;第二特定频率电流计算单元,从第二特定频率设定值提取对应于第二特定频率设定值的电流分量, 所述电流偏差并将所述电流分量输出为第二特定频率电流,以及电源故障检测单元,其将所述第二特定频率电流与预定的电力故障检测电流设定值进行比较,并输出电力故障检测信号 当第二特定频率电流大于电源故障检测电流设定值v时 呃