工业配电设计中基于Excel 的电气计算  

Electrical Calculation Based on Excel in Industrial Power Distribution Design

作　　者：万收兰 WAN Shou-lan(Sinopec Engineering Incorporation,Beijing 100101,China)

机构地区：[1]中国石化工程建设有限公司,北京100101

出　　处：《中小企业管理与科技》2020年第23期172-173,共2页Management & Technology of SME

摘　　要：工业配电设计中,电气计算是一项重要的工作。必要的电气计算一般有负荷计算、无功功率补偿计算、短路电流计算、单相接地电容电流计算、大电动机起动电压水平计算、电动机成批再起动电压水平计算、电力设备选择及校验计算、电线及电缆截面选择计算、高次谐波计算、接地阻抗计算、照度计算及继电保护整定计算等。通过上述各项计算,作为选择电气设备、校验电气设备各项性能、保护整定、确定电机启动方式等的重要依据。Electrical calculation is an important work in industrial power distribution design.Necessary electrical have generally calculate load calculation,reactive power compensation calculation,short circuit current calculation,single phase grounding capacitive current calculation,starting voltage level of large motor calculation,and calculation of restarting voltage level of motor in batch,power equipment selection and checking calculation,electric wire and cable selection calculation,higher harmonic calculation,grounding impedance calculation,intensity of illumination calculation and relay protection setting calculation,etc.Through the above calculation,as an important basis for the selection of electrical equipment,electrical equipment performance verification,protection setting,determine the motor starting mode and so on.

关 键 词：设计阶段 电气计算 用电负荷 EXCEL电子表格 

分 类 号：TM72[电气工程—电力系统及自动化]