低压进线与配电变压器保护值的设定与配合  

Setting and Match of Protection Values between Low-voltage Incoming Lines and Distribution Transformers

作　　者：贾存真 常小龙 韩建生 李薇莉 

机构地区：[1]兰州石化电仪事业部,兰州730000

出　　处：《电气开关》2007年第5期4-5,共2页Electric Switchgear

摘　　要：主要介绍了石化厂供电系统中低压系统进线与配电变压器的保护值的整定,分析了二者之间整定值、时限的配合。The settings of protection values between low voltage system incoming lines and distribution transformers in the power supply system of petrochemical plant are mainly prestented.The match of setting value and time limit between them is analyzed.

关 键 词：瞬时速断 短延时 长延时 反时限 

分 类 号：TM42[电气工程—电器]