小电源联网时的几个问题分析

文章从保系统、保主设备的角度出发,针对现有小电源解列保护提出了整定原则,并分析了故障解列装置与系统低频减载装置的配合问题。

In this paper, setting calculation principle about the paralleling off protection of small power supply system are put forward in view of the system and main equipment orientation. The problems for the coordination between fault disconnection device and underfrequency load shedding （UFLS） are also discussed.