光纤纵联保护装置在企业配网线路的应用分析

Application Analysis of Optical Link Pilot Protection Device in Distribution Network Lines of Enterprises

文章介绍了三种近年来在企业中压配电系统中应用的微机型线路光纤纵联保护装置,针对企业中压配电系统的特点,分别阐述了电流互感器饱和对保护装置启动值的影响以及保护对通讯的要求,最后对企业中压配电系统设备选择以及光纤纵联保护装置的通道维护给出了建议,对实际工作具有一定的指导意义。

In the paper,three types of optical link pilot protection device applied in the microcomputer-based line of mid-voltage power system in enterprises in recent years are introduced as well as the effects of saturation of current transformer on the starting value of protection device and the requirements of communication for protection are expounded respectively according to the characteristics of mid-voltage power system in enterprises.Finally,some suggestions on the equipment selection for mid-voltage power system in enterprises and channel maintenance for optical link pilot protection device are given,which are with certain guiding significance for the actual work.