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变频器IGBT开路故障诊断方法 被引量:6

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摘要 为了对变频器IGBT开路故障进行诊断,首先分析了三相电流平均法,通过实验发现,该方法在系统负载突增或减时容易出现误诊断问题,所以提出基于傅里叶变换的归一化三相电流平均法,通过实验验证,该方法有效解决了误诊断问题,而且规范了阈值的设置。
作者 蔡小玲
出处 《自动化应用》 2018年第4期66-67,75,共3页 Automation Application
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