Abstract
Relay protection is a very important part of power system, it can cut off the fault when the system has accident, reduce the influence of fault to the normal operation equipment, and improve the stability of power system. With the human society stepping into the electric power era, the electric power system is gradually integrated into people
’
s life, and plays an indispensable role in it, which can bring inestimable benefits to the development of human society. But whether it can r
220kv变电站双套继电保护的必要性_--以220kv赤松变为例-19443字.docx