对三峡右岸电厂发变组保护的一些看法

Understanding about relay protection of generator-transformer unit of Three Gorges right-bank power plant

介绍了在三峡右岸电站发变组保护装置的调试工作中,对发电机变压器的保护方法的一些看法。主要有差动保护、接地保护、失磁保护、逆功率保护、负序过流保护、机组误上电保护、轴电流保护、断路器失灵和非全相保护等。

Some understandings about relay protection of the generator-transfomler unit of Three Gorges right-bank power plant are described, such as the differential protection, earth-fauh protection, excitation loss protection, inverse power protection, negative-sequence overcurrent protection, shaft current protection, breaker failure protection, incompletephase operation protection etc.