绕线式异步电机采用转子回路串电阻调速广泛应用于我国工矿企业的提升机电控系统。
Wound-rotor induction motors that adjust speed by connecting resistors in series to rotor circuit have been easily found in the electrically controlled systems of shaft hoist.
本文介绍了由PLC构成的提升机电控系统的特点，并通过应用实例，探讨了PLC应用中的问题。
The paper introduces the characteristics of the electric control system composed by PLC, and probes into the problems of PLC application through applied examples.
分析了原矿井提升机电控系统存在的缺陷并阐述可编程序控制器（ PC）在矿用提升机中的应用及效果。
The shortcomings existing in electrical control system in preliminary mine hoist are analyzed, and the application and effectiveness of PC in hoisting shaft are summarized.
应用推荐