摘要
在分析现有同步电动机启动控制方法的基础上 ,提出同步电动机静止变频启动方法。阐述了交 直 交无换向器同步电动机控制系统的基本组成、工作原理及变频启动过程即启动加速阶段、自动整步微调控制阶段、并网控制阶段。总结了该控制系统在现场实际应用中具有起动平稳 ,不存在失步问题 ,对电网无冲击 ,可靠性高 ,经济 ,节能等特点。它可以为从事大型同步电动机控制系统设计和调试者提供较好的借鉴和帮助。
A method of starting the synchronous motor with the static variable frequency is presented on the basis of analyzing the current start control method of the synchronous motor. The basic composition, the working principle and the process of starting with the variable frequency, that is the starting acceleration, the auto micro synchronization control and the network parallel control stages, of the control system of the synchronous motor without the AC-DC-AC inverter are expounded. The characteristics of stable start, no non-synchronous problem, no lash at the network, high reliability, economy, energy-save and so on of the control system in the field use are summaized. It may be provided to those work on designing and adjusting the large synchronous motor control system for reference and use.
出处
《控制工程》
CSCD
2002年第5期92-93,共2页
Control Engineering of China
关键词
同步电动机
变频启动控制系统
微整步
整流器
synchronous motor
frequency modulation starting
micro synchronizing
network paralleling
