直流保护电器级差配合校验系统开发及应用  

Development and Application of Stage Difference Coordination Verification System for DC Protective Devices

作　　者：刘刚[1] 刘杰[1] 王浩彬 

机构地区：[1]宁夏电力公司电力科学研究院,宁夏银川750011 [2]河北创科电子科技有限公司,河北邯郸056107

出　　处：《电器与能效管理技术》2015年第9期32-35,共4页Electrical & Energy Management Technology

摘　　要：分析了直流系统保护电器级差配合的重要性和研究现状,设计了一种直流电源保护电器级差配合校验系统,用于校验现场直流保护电器级差配合是否满足选择性的要求;介绍了该系统的技术原理,详细阐述了系统的各组成部分,并通过应用实例证明其具有良好的工程实用性。The present conditions and importance of protective devices in DC system were analyzed.A stage difference coordination verification system of protective devices in DC power was designed which is used to verify the selective requirement of DC protective devices stage difference coordination.The system technological principle were presented,and its components were described in detail.The application case proves it has a significant engineering practicability.

关 键 词：直流电源 直流保护电器 级差配合 短路预估 模拟校验 

分 类 号：TM769[电气工程—电力系统及自动化]