第40卷第6期 当代化工 Vo1.40.No.6 2011年6月 Contemporary Chemical Industry June 2011 变压器的继电保护与整定计算 张红启 (抚顺石化公司工程建设指挥部设备部，辽宁抚顺113008) 摘要：变压器是供配电系统中不可缺少的重要电气设备，它的故障将对供电可靠性和系统安全运行带来 严重的不良影响，同时大容量的变压器也是非常贵重的设备.因此，应根据变压器容量等级和重要程度，装设 性能良好、动作可靠的继电保护装置.在电气设备选型中要选择可靠性强、灵敏度高的继电保护装置，使之能 够迅速、准确地切除各种故障，保障装置安全、稳定、连续的生产.目前抚顺石化供配电系统中已经广泛的使 用数字化继电保护装置，笔者以原油集中加工、炼油结构调整技术改造工程原油罐区及配套设施装置中供电系 统变配电为例，介绍6kV变压器数字化继电保护的应用与整定计算过程. 关键词：变压器；保护；整定；故障；定值 中图分类号：TM401 文献标识码：A 文章编号：1671-0460(2011)06-0636-04 Transformer Relay Protection and Setting Calculation ZHANG Hong-qi (Fushun Petrochemical Engineering Construction Company Headquarters Depot Liaoning Fushun 113008 China) Abstract:Transformer is an indispensable electrical equipment for power supply system its failure will seriously affect the power supply reliability and system security while large-capacity transformer is also very expensive equipment.Therefore the relay protection device with good performance should be installed based on capacity class and importance of the transformer.In selection of electrical equipments reliable and high sensitivity relay protection devices should be chosen which can ensure to rapidly and accurately remove various failures to protect...
变压器的继电保护与整定计算.pdf
