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EMC Specific Problems of Frequency Converters Used at Interlocking Device

机译:联锁设备使用的变频器的EMC特定问题

摘要

The paper deals with problems of electromagnetic compatibility (EMC) of frequency control drive of electromotive switch actuator of railway switch. The frequency converter with Pulse Width Modulation (PWM) and the output sinus filter are used for feeding of the asynchronous motor of the switch actuator. This drive is operated in an insulated system of feeding voltages. The drive is fed by a frequency converter with an unshielded cable with length up to 1.2 km. The EMC problems occurring at development and operating of the drive are analyzed in this paper. The used solution of these problems and experience with EMC of the given system from real operation are described in this paper as well.
机译:本文研究了铁路开关电动开关执行器的变频调速驱动器的电磁兼容性(EMC)问题。带脉冲宽度调制(PWM)的变频器和输出正弦滤波器用于给开关执行器的异步电动机供电。该驱动器在带电的绝缘系统中运行。变频器通过变频器供电,该变频器使用长度不超过1.2 km的非屏蔽电缆。本文分析了驱动器开发和运行中出现的EMC问题。本文还描述了这些问题的使用解决方案以及实际操作中给定系统的EMC经验。

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