ABB GFD233A

是一种静态励磁系统，可以用于各种类型的同步电动机和同步发电机，例如水轮发电机、汽轮发电机等。它具有体积小、重量轻、可靠性高、维护量小等优点。

It is a static excitation system that can be used for various types of synchronous motors and generators, such as hydroelectric generators, turbogenerators, etc. It has the advantages of small size, light weight, high reliability, and low maintenance.