Abstract: Operation delay of DC circuit breakers causes a voltage sag of several milliseconds in HVDC grids ... The proposed method performs feedback control of the DC current during DC voltage sags ...

该PLC 的以太网采用了主流高效简便的企业现场总线及Profi net 技术，西门子S7-1200也能与其他采用Profi net 通信协议的计算机进行企业现场通信。本文详细介绍S7-1200 和ABB 机器人之间的Profi net 的通讯配置。 系统由工业机器人、人工智能控制器、工业机器人示教单元 ...

The Federal Aviation Administration halted the work of an outside panel of experts scrutinizing its management of air traffic control, a previously unreported move made just weeks after a fatal ...

Abstract: Variable frequency drive (VFD) and servo drive usage in the industrial application are increased in a large amount. The control of VFD can be done using a programmable logic controller (PLC) ...