GE IS200EPCTG1AAA EX2100电源PT/CT板是励磁机电源模块，由GE根据Mark VI涡轮机控制系统开发。在励磁控制系统中使用，为控制器提供逻辑级电源。

It is an exciter power module developed by GE based on the Mark VI turbine control system. Used in excitation control systems to provide logic level power to the controller.