摘要
分析了基于开关变压器的高压异步电动机软启动器的工作原理,建立了软启动仿真的动态数学模型。详细分析了电动机软启动的各种工作状态,提出采用对称分量法求解状态方程中的输入电压。提出了软启动的控制方法,通过实例进行了仿真。仿真结果和实验结果吻合较好,证明给出的仿真方法是正确有效的。
The working principle of high-voltage asynchronous motor＇s soft starter based on the on-off transformer is analyzed,and dynamic mathematic model of soft starting simulation is set up.The various kinds work state of soft starting is fully analyzed and the symmetrical component method for solve the input voltage of state equation is put forward.The control method of soft starting is proposed and simulation is carried out through a example.The simulation results are close to the experiment results,which verifies the correctness and validity of the simulation method.
出处
《电气传动自动化》
2012年第1期1-5,共5页
Electric Drive Automation
关键词
开关变压器
高压异步电动机
软启动
仿真
on-off transformer
high-voltage asynchronous motor
soft starting
simulation
