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中文摘要：
针对有源电力滤波器APF（active power filter）中IGBT故障监测的问题,对IGBT及其驱动模块的故障进行了分析,对故障特征与故障检测电路进行了研究,设计了一种基于LabVIEW的故障诊断系统.通过对APF故障特征的归纳,设计了IGBT及其驱动模块的故障检测电路,并将IGBT故障运行与正常运行的时序图进行了对比分析,最后利用LabVIEW上位机对APF故障诊断系统进行了测试.实验结果表明,该诊断系统能对APF故障进行检测,并可有效识别IGBT故障的位置.
英文摘要：
Aiming at realizing fault diagnosis of IGBT in the active power filter（ APF）, the fault of IGBT and driver module were analysed, the fault feature and fault detection circuit were researched, a fault diagnosis system was designed based on LabVIEW. Through the fault feature of APF, the fault detection circuit of IGBT and driver module were proposed, and the time sequence of normal mode was compared with one of fault mode. The fault diagnosis system was tested by using LabVIEW upper computer. The experimental results indicate that the diagnosis system can detect fault of APF and identify the fault location of IGBT effectively.
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