The application of CPU222 PLC of Siemens S7-200 series to dynamic simulation test in power system is mainly introduced as well as the discussions about some practical problems.

• 主要介绍了西门子S7-200系列中的CPU222型可编程序控制器即PLC在电力系统动模试验中的应用以及对一些实际问题的探讨。