大容量电动机起动特性仿真  

Simulation on Starting Characteristics of Large Capacity Motor

作　　者：张怀亮 ZHANG Huailiang(Navy Equipment Procurement Center, Beijing 100071, China)

机构地区：[1]海军装备采购中心,北京100071

出　　处：《机电设备》2017年第5期26-31,共6页Mechanical and Electrical Equipment

摘　　要：通过对比感应电机在不同起动方式下的起动特性,讨论其对电网的影响,并进行数字仿真验证。对感应电动机直接起动的模型进行理论分析,对比电压降计算的不同经验公式,讨论了直接起动对系统电压降的影响。对感应电动机自耦变压器起动方式进行了详细分析与计算,并基于Matlab进行数值仿真验证。文章的分析及仿真结果可供船总体设计实船工况时参考。Starting characteristics of different starting modes of induction machine are compared, lts influence on power grid is discussed, which is verified through numerical simulation. The direct starting mode of induction machine is theoretically analyzed. Different engineering methods of calculating the network voltage drop are compared. The influence of direct starting mode on system voltage drop is discussed. The converter compensation starting mode is analyzed and calculated, and its effect is verified by Matlab simulation. The simulation results can provide some design reference for engineers.

关 键 词：感应电机 起动方式 电压降 

分 类 号：TM301[电气工程—电机]