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首页> 外文期刊>HPAC engineering >Motor-Bearing Protection Ring Prevents Failures From VFD-Induced Currents: Device expected to reduce repair costs by 10 percent
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Motor-Bearing Protection Ring Prevents Failures From VFD-Induced Currents: Device expected to reduce repair costs by 10 percent

机译:电机轴承保护环可防止VFD感应电流导致的故障:该设备有望将维修成本降低10%

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摘要

For more than 20 years, since the installation of the first modern variable-frequency drives (VFDs) at the Time & Life Building in New York City, the maintenance department had coped with chronic HVAC-fan-motor-bearing failure, the result of VFD-induced shaft currents.
机译:自20多年来,在纽约时间与生活大楼安装了第一台现代变频驱动器(VFD)以来,维护部门一直在应对长期的HVAC-风扇-电动机轴承故障,这是由于VFD感应的轴电流。

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