ETAP在石化行业大型机组自耦变降压启动仿真中的应用  

Application of ETAP in the Auto-transformer Reduced-voltage Starting Simulation of Large Unit in Petrochemical Industry

作　　者：黄志伟 HUANG Zhiwei(Wanhua Chemical(Ningbo)Co.,Ltd.,Ningbo 315812,Zhejiang Province,China)

机构地区：[1]万华化学(宁波)有限公司,浙江省宁波市315812

出　　处：《建筑电气》2025年第1期15-18,共4页Building Electricity

摘　　要：通过某石化项目自耦变压器降压启动18 000 kW的高压电机,介绍电动机自耦变压器降压启动计算方式,计算母线电压降。通过ETAP动态仿真模拟进行验证,评估大型机组启动带来的系统电网风险;同时利用ETAP的模拟仿真,结合项目规划,为机组启动选择最佳的供电方式。The calculation method of motor auto-transformer reduced-voltage starting is introduced and the busbar voltage drop is calculated in accordance with the auto-transformer reduced-voltage starting of 18000 kW high-voltage motor in a petrochemical project.It is verified through ETAP dynamic simulation,and the risk evaluation of system power grid caused by large unit starting is conducted.Moreover,according to the project planning and based on the ETAP simulation,the best manner of power supply for the unit starting is selected.

关 键 词：大型机组 启动电流 晃电 ETAP仿真 自耦变压器 降压启动 母线电压降 供电方式 

分 类 号：TM743[电气工程—电力系统及自动化]