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Inverter-fed drives: which motor stators are at risk?

机译:变频驱动:哪些电机定子存在风险?

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This article describes measurements of the surge voltage characteristics from a number of motors driven by inverter-fed drives (IFDs). The measurements were done with both laboratory and purpose-built instrumentation. Further, we discuss why certain surges deteriorate the insulation, and we give guidelines for determining which motors may be at risk of failure from IFD voltage surges. The effect of these surges on stator windings is also included, as well as means to determine if a motor installed in a severe surge environment will fail.
机译:本文介绍了由变频器供电的驱动器(IFD)驱动的许多电动机对浪涌电压特性的测量。使用实验室仪器和专用仪器进行测量。此外,我们讨论了为什么某些电涌会使绝缘层劣化,并给出了确定哪些电机可能因IFD电涌而出现故障风险的准则。还包括这些电涌对定子绕组的影响,以及确定在严重电涌环境中安装的电动机是否会失效的方法。

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