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Analysis and Restraining of Electro-Magnetic Interference for Thyristor Based DC Motor Drives

机译:基于晶闸管的直流电驱动器的电磁干扰分析和限制

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A high-power DC motor drive with low electromagnetic interference (EMI) is needed for the nondestructive testing (NDT) robot in the nuclear industry environment. This paper focuses on the test and analysis of EMI for thyristor based DC motor control system, which can work in four quadrants to drive the NDT robot. The experimental tests of EMI are conducted with different factors, such as position, power supply mode, inductance of the smoothing reactor, motor load, and so on. The methods to restrain the EMI are researched and applied in the system. The experiments demonstrate that EMI of the DC motor drive is lower compared with the motor drive using PWM mode, and the drive can fully meet the need of the NDT robot.
机译:核工业环境中的非破坏性测试(NDT)机器人需要具有低电磁干扰(EMI)的大功率直流电动机驱动。本文重点研究了基于晶闸管的直流电机控制系统的EMI的测试和分析,可以在四个象限中工作以驱动NDT机器人。 EMI的实验测试是用不同因素进行的,例如位置,电源模式,平滑电抗器的电感,电机负载等。抑制EMI的方法在系统中进行了研究和应用。实验表明,使用PWM模式与电动机驱动相比,DC电动机驱动的EMI较低,并且驱动器可以完全满足NDT机器人的需求。

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