HOLLiAS-LEC G3 PLC在同步发电机励磁装置中的应用

Application of G3 PLC HOLLi AS-LEC in the excitation device of synchronous generator

介绍了励磁系统原理,控制系统组成和软件设计思路。在此基础上,介绍了HOLLi AS-LEC G3 PLC,在发电机励磁装置中的应用。通过配备两套互为备用的PLC调节器,故障时能自动切换,提高了调节器的可靠。

This article introduces the principle of excitation system, the composition of control system and software design..Based on this, the application of G3 PLC HOLLi AS-LEC in generator excitation device is introduced.. With two sets of PLC regulator, the fault can automatically switch and improve the reliability of the regulator.