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.
介绍了临涣煤矿主井提升机电控系统的改造方案、工作原理及改造效果，经过改造后的电控系统效果良好。
The improvement plan, work principles and reform result on electric control system of main shaft hoist in Linhuan Coal Mine are introduced, and the result is fine.
本文基于P ROFI BUS 现场总线，提出对提升机电控系统进行网络化的设计和研究，着重分析了系统软件结构。
The paper introduces the design and research of network electric control system of hoist based on PROFIBUS field-bus, emphatically analyzes its software structure.
本文基于P ROFI BUS 现场总线，提出对提升机电控系统进行网络化的设计和研究，着重分析了系统软件结构。
The paper introduces the design and research of network electric control system of hoist based on PROFIBUS field-bus, emphatically analyzes its software structure.
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