An ac variable frequency drive system of paper machine with PLC controller is introduced.
介绍适用于造纸机的变频调速PLC控制系统。
By using the special control algorithm of variable frequency drive system, the above said problem is solved.
设计了基于变频驱动系统的专用控制算法来解决“倒发电”问题。
High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.
大功率GTO逆变器用于铁路电力牵引，其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。
After the equipment has reconstructed, the simulation results show that the variable frequency drive crumb cake hydraulic machine is a stable and fast response system.
对优化后设备的仿真研究表明变频调速液压屑饼机是一个稳定、响应快速的系统。
Again, the system mathematical model of variable frequency drive crumb cake hydraulic machine is established.
再次，建立变频调速液压屑饼机系统的数学模型。
Again, the system mathematical model of variable frequency drive crumb cake hydraulic machine is established.
再次，建立变频调速液压屑饼机系统的数学模型。
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