利用数字显示时间继电器、交流接触器、断路器以及电阻性负载设计了一个简易的触头材料实验电路。
The simple experimental circuit contact material is designed using time relays with digital display, contactors, switchgear and resistive load.
阐述了数字式时间继电器的设计方法，给出了详细的电路图。
The paper introduces the designing method of the digital time-delay relay and gives the detailed electric circuit picture.
对数字式时间继电器的抗干扰性能进行了深入的分析，并提出杭干扰措施。
The performance of digital time delay relays in the presence of disturbance is analysed.
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