excitation contactor

The system can set the excitation phase angle in the man-machine interface and control excitation by computer operation; it also can show test results, making the detection of the contactor phase-selection excitation and contactor bounce intelligent and visual.

该系统通过上位机的控制操作，在人机交互界面上设定激磁相角实施控制合闸，并显示检测结果，从而实现了接触器选相激磁及其触头弹跳的智能化、可视化检测。

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For the burn-out of normal excitation coil of contactor, it is proposed to depress its working voltage after startup.

对常励磁接触器线圈发热烧毁问题，采取在其启动后降低线圈工作电压的方法减少发热；

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