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1. 发明授权

US09513324B1 System and method of load testing multiple power converters without dedicated test equipment 有权
标题翻译：负载测试多个电源转换器的系统和方法，无需专用测试设备
公开(公告)号：US09513324B1
公开(公告)日：2016-12-06
申请号：US14214380
申请日：2014-03-14
申请人： Motiv Power Systems, Inc.
发明人： William Treichler , Cullen Teague McMahon , Justin Anthony Tomlin , James Michael Castelaz
IPC分类号： G01R31/02
CPC分类号： G01R31/02 , G01R31/42
摘要： A test system includes a first, second, and third power converter and a data collection system. The test system performs load testing on the second and third power converters without requiring any external load. The first power converter is supplied by an Alternating Current (AC) source. During a test cycle, the first, second, and third power converters are controlled such that the second power converter is supplied by an output current of the first power converter and a feedback current output by the third power converter. The third power converter receives current output by the second power converter and outputs the feedback current onto the second power converter. The data collection system receives power converter test characteristics (voltage, current, and temperature information) during the test cycle without any power being dissipated by an external load. Test information is used to determine whether the second and third power converters are defective.
摘要翻译：测试系统包括第一，第二和第三功率转换器和数据采集系统。测试系统对第二和第三电源转换器进行负载测试，而不需要任何外部负载。第一个电源转换器由交流电源提供。在测试周期期间，控制第一，第二和第三功率转换器，使得第二功率转换器由第一功率转换器的输出电流和由第三功率转换器输出的反馈电流提供。第三功率转换器接收第二功率转换器的电流输出并将反馈电流输出到第二功率转换器。数据采集系统在测试周期内接收功率转换器测试特性（电压，电流和温度信息），而不会由外部负载消耗任何功率。测试信息用于确定第二和第三功率转换器是否有缺陷。

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