To provide synchronization signal of line current for switching control in time, a method to forecast the crossover point of the current was given.
为及时向切换控制提供线路电流同步信号，提出了一种预测电流过零的方法。
According to the technical characteristics of production line, this thesis focuses on multi-motors synchronization control and rolling control.
同时根据生产线的技术特点，重点研究了多电机同步控制和卷曲控制。
The problems existing in manual synchronization circuit and back speedup function of CSL?100 series protective relays at line to line serial connection mode are analyzed.
针对CSL 10 0系列保护装置配置在线—线串接线方式中时，手合同期回路及其后加速功能所存在的问题进行了分析。
The problems existing in manual synchronization circuit and back speedup function of CSL?100 series protective relays at line to line serial connection mode are analyzed.
针对CSL 10 0系列保护装置配置在线—线串接线方式中时，手合同期回路及其后加速功能所存在的问题进行了分析。
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