For welding thicker pieces, automatic frequency control should be adopted.

对于较厚的焊件，应进行频率自动控制。

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Fully automatic frequency variation speed regulating NC die cutting production line control system;

全自动变频调速、数控冲切生产线控制系统；

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A new structure of automatic frequency controlling loop based on overlapping DFT algorithm is proposed in this dissertation.

本文基于交叠DFT算法提出了一种新的自动频率控制环结构设计方案。

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Grid Friendly Appliance Controller: Developed at the Pacific Northwest energy Laboratory, the Grid Friendly Appliance controller senses grid conditions by monitoring the frequency of the system and provides automatic demand response in times of disruption.

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In addition, by monitoring the frequency or voltage of the power grid, the platform provides automatic demand response when grid conditions call for it.

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