摘要
分析了核电站1E级UPS系统结构,研究了系统供电特性,建立了系统供电和短路电流分析模型,计算了线路故障情况下的故障电流和动作时间,分析了保护设备的有效性和选择性。
System structure of nuclear power plant class-1E UPS system is analyzed.Based on power supply characteristics of UPS system,the model of calculating short-circuit current is built.Base on the model,the shortcircuit current is calculated and the activate time of protection equipment is analyzed,and the effectiveness and selectivity of protection equipment is analyzed.
作者
陶果
曹影丽
TAO Guo;CAO Yingli(Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd.,Shanghai 200233,China;Sanmen Nuclear Power Co.,Ltd.,Sanmen 317100,China)
出处
《电气应用》
2020年第9期18-22,共5页
Electrotechnical Application
基金
国家科技重大专项课题“CAP 1400超大容量1E级阀控蓄电池自主化研制”(编号2017ZX06002009)。
关键词
1E级
UPS系统
短路
class-1E
UPS system
short-circuit
