基于ETAP短路计算的化工项目电气系统优化设计  

Optimization Design of Electrical System for Chemical Project Based on ETAP Short-circuit Calculation

作　　者：赵瑞萍 ZHAO Ruiping(Aerospace Long March Chemical Engineering Co.,Ltd.Lanzhou Branch,Lanzhou 730010,China)

机构地区：[1]航天长征化学工程股份有限公司兰州分公司,兰州市730010

出　　处：《建筑电气》2023年第12期17-22,共6页Building Electricity

摘　　要：基于ETAP电气仿真软件对一个大型化工项目短路计算的真实案例进行分析,结合工程实际需求,对全厂电动机自启动电压水平、高/中/低压设备选择、电缆截面积选择进行分析校验,并通过对电容电流计算确定各变电所消弧线圈的容量。Based on a true case of short-circuit calculation for a large-scale chemical project by ETAP electrical simulation software and according to the actual engineering requirement,the motor self-starting voltage level,high,medium and low-voltage equipment election and cable cross-sectional area of the whole plant are analyzed and verified,and the capacity of each substation arc suppression coil is determined by the capacitive current calculation.

关 键 词：化工项目 ETAP软件 短路计算 电压水平校验 高/中/低压设备选择 电缆截面积 电容电流 消弧线圈 

分 类 号：TM713[电气工程—电力系统及自动化]