摘要
分析了一起500kV线路纵联保护受复用载波机发信能力限制引起误动的原因,提出了通过升级保护发信程序预防误动的措施,提高了电网的安全可靠性。
This paper analyzes the maloperation of pilot protection caused by limitation of singal transmitting ability of multi-carrier in 500 kV lines. The precautions of upgrading the signal transmitting program of protection are proposed. The security and stability of power grid are enhanced.
出处
《继电器》
CSCD
北大核心
2005年第15期21-23,共3页
Relay
关键词
纵联保护
误动
预防措施
pilot protection
maloperation
precautions
