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.
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
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
DC power
DC protective devices
stage difference coordination
short circuit estimate
simulation verification
