| 变频器的故障排除 第2讲 变频器过流故障及案例分析 |
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| 引用本文： | 李方园. 变频器的故障排除 第2讲 变频器过流故障及案例分析[J]. 自动化博览, 2009, 26(4): 50-53 |
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| 作者姓名： | 李方园 |
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| 作者单位： | 浙江工商职业技术学院 |
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| 摘 要： | 变频器中过流保护的对象主要指带有突变性质的、电流的峰值超过了过流检测值,变频器则显示过流,由于逆变器件的过载能力较差,所以变频器的过流保护是至关重要的一环。本文分析了变频器过流故障发生的原因,以及解决过流问题的一些通用措施,并以＂罐车变频器过流＂案例阐述了过流故障排除的步骤。
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| 关 键 词： | 变频器 过流故障 转矩提升 矢量控制 |
AC Inveter's Trouble Shooting |
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| Abstract: | AC inverter Inverter overcurrent mainly refers to the object with the current peak value by detection. Due to poor ovedoad IGBT device of the inverter, AC＇inverter＇ s overcurrent protection is the essential element. This analyzes the inverter over-current fault causes, as well as over-current problem to solve some common measures. Finnaly the example of ＂tankor inverter overcurrent＂ is explained and the overcurrent troubleshooting stops are carried out. |
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| Keywords: | AC inverter Overcurrent fault Torque Boost Vector Control |
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