Integrating application and research technology of DCS and frequency inverter, realize switchover without interference between control valve and frequency-inverter motor in producing process control.
经过DCS与变频控制技术的结合应用与研究，实现了生产过程控制中调频电机与调节阀的无扰动切换。
2
An integrating device of variable frequency and speed-down is an important driving and control unit which combines a variable frequency module, a variable frequency motor and a retarder.