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    • 22. 发明公开
    • Error detection system for cooling apparatus
    • FEHLERERKENNUNGSSYSTEMFÜRKÜHLVORRICHTUNG
    • EP2950626A1
    • 2015-12-02
    • EP15167319.1
    • 2015-05-12
    • Hitachi, Ltd.
    • Suzuki, OsamuIihoshi, YoichiFurutani, Ryo
    • H05K7/20
    • H05K7/20945
    • Disclosed is an error detection system for detecting an error in a cooling apparatus (101) mounted in a power converter (4) that drives, for example, a motor (not shown). The error detection system includes a first temperature sensor, a second temperature sensor, and a current sensor. The first temperature sensor measures a representative temperature (Tb) of the cooling apparatus. The second temperature sensor measures an ambient air temperature (Ta). The current sensor measures an input/output current (Im) controlled by the power converter. The error detection system receives measured signals sent from the first temperature sensor, the second temperature sensor, and the current sensor and thereby estimates the performance of the cooling apparatus.
    • 公开了一种用于检测安装在驱动例如电动机(未示出)的电力转换器(4)中的冷却装置(101)中的错误的错误检测系统。 误差检测系统包括第一温度传感器,第二温度传感器和电流传感器。 第一温度传感器测量冷却装置的代表性温度(Tb)。 第二温度传感器测量环境空气温度(Ta)。 电流传感器测量由功率转换器控制的输入/输出电流(Im)。 误差检测系统接收从第一温度传感器,第二温度传感器和电流传感器发送的测量信号,从而估计冷却装置的性能。
    • 30. 发明公开
    • COOLING SYSTEM FOR TWO-DIMENTIONAL ARRAY POWER CONVERTERS
    • 二维阵列功率变换器的冷却系统
    • EP3209103A1
    • 2017-08-23
    • EP16195244.5
    • 2016-10-24
    • LSIS Co., Ltd.
    • RYOO, Seong-Ryoul
    • H05K7/20F25B9/04
    • H05K7/20945F25B9/04F25B49/00H05K7/20909H05K7/20918
    • Disclosed herein is a cooling system for two-dimensional array power converters. The cooling system includes: a plurality of power converters 110 arranged in two-dimension; a compressor 130 configured to generate compressed air; vortex tubes 150 each installed in the respective power converters, the vortex tubes configured to generate low-temperature air based on compressed air from the compressor; valves 140 installed between the compressor and the vortex tubes; temperature sensors 120 each installed in the respective power converters to measure temperature inside the power converters; and a controller 160 configured to determine whether to supply the low-temperature air into the power converters by using the vortex tubes, based on the temperature measured by the temperature sensors, and to control the valves depending on a result of the determination.
    • 本文公开了一种用于二维阵列功率转换器的冷却系统。 该冷却系统包括:多个二维布置的功率转换器110; 压缩机130,其构造成产生压缩空气; 涡流管150,每个涡流管安装在相应的功率转换器中,所述涡流管构造成基于来自压缩机的压缩空气产生低温空气; 安装在压缩机和涡流管之间的阀门140; 温度传感器120,每个温度传感器120安装在各个电力转换器中以测量电力转换器内的温度 以及控制器160,其被配置为基于由温度传感器测量的温度来确定是否通过使用涡流管向电力转换器供应低温空气,并且根据确定结果来控制阀。