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针对田湾核电站主泵电机定子铁芯和线圈温度在电机启动时的电磁干扰问题,通过对电磁干扰三要素的分析,验证比较了几个解决措施,实践证明利用温度变送器优良的电磁兼容性能,在测量回路中增加温度变送器,能够较好地解决电机启动时强交变磁场对温度测量的影响。本文分析、解决电磁干扰问题的思路和方法,对同行电站的类似应用具有一定的参考意义。
Aiming at the electromagnetic interference of stator iron core and coil temperature of main pump motor in Tianwan nuclear power station when the motor starts, several solutions are verified through the analysis of the three elements of electromagnetic interference. Practice has proved that the use of temperature transmitter excellent electromagnetic compatibility Performance, increase the temperature transmitter in the measuring circuit, can better solve the influence of strong alternating magnetic field on the temperature measurement when the motor starts. This paper analyzes and solves the problem of electromagnetic interference ideas and methods for similar applications similar to the power station has some reference value.