浅析TN系统配电线路末端短路灵敏度校验  

Analysis of Short Circuit Sensitivity Check at End of Distribution Line in TN System

作　　者：黄旭 李达志 HUANG Xu;LI Dazhi(SINOPHARM Group Chongqing Pharmaceutical and Medical Industry Design Institute Corporation,Chongqing 400039,China)

机构地区：[1]国药集团重庆医药设计院有限公司,重庆400039

出　　处：《现代建筑电气》2021年第3期40-44,共5页Modern Architecture Electric

摘　　要：从短路灵敏度校验的原理入手,分析了影响配电线路末端短路灵敏度校验的各种因素,研究了校验计算中各种参量的选取,并制作了便于设计使用的灵敏度校验表。利用灵敏度校验表,针对实际案例进行了灵敏度校验核准,总结了可以采取的措施,并分析了设计中需要注意的问题。This paper starts with the principle of short circuit sensitivity verification,and analyzes the factors influencing the short circuit sensitivity check at the end of distribution line.The selections of the various parameters are researched in calibration calculation.The sensitivity check table is edited.The sensitivity check table is used to check and approve the sensitivity of actual cases.The adoptable measures are summarized.The points that need to pay attention to in the design are analyzed.

关 键 词：TN系统 单相短路 短路电流 灵敏度校验 

分 类 号：TU856[建筑科学]