Based on the detail surveying of the imported GEC ALSTHOM relay protection, in Shajiao C power plant,the characteristic and adaptability of the generator unit relay protection are analyzed,and some improving suggestions are then proposed.

• 通过对其引进的 GEC ALSTHOM公司发电机组继电保护的跟踪和调研 ,分析了其不同于我国大机组保护的特点及其适应性问题 ,并在此基础上提出了一些改进建议。