下载后可任意编辑基 于 PLC 的 矿 井 提 升 机 变 频 调 速 控 制系 统 设 计摘 要本文主要设计了矿井提升机的变频调速系统以及PLC 控制系统。通过对矿井提升机调速系统要求的分析，说明了采纳变频调速的重要性。在对各种变频调速方法的分析比较后，选择采纳沟通变频调速，然后选择变频器的类型，并按调速系统要求设计了变频器的外部电路。通过对其电控系统各类故障处理的要求，选择采纳可编程控制器（PLC ），并对可编程控制器进行选型。考虑到实际生产中可能出现的问题，合理的设计可编程控制器（PLC ）的外部电路，并在此基础上对可编程控制器（PLC ）程序做出初步的设计方案，为了保证可编程控制器（PLC ）的可靠工作，将其系统抗干扰措施也设计在内。本文只是初步理论设计，并未应用于实践，在应用于实践前必须对其进行实践验证。关键词：矿井提升机，变频调速，变频器，PLCI下载后可任意编辑Mine hoister based on PLC variable frequency speed control system designABSTRACTThis article mainly design of mine hoist the variable frequency speed control system and PLC control system. Based on the mine hoist control system requirements analysis, illustrates the importance of using variable frequency speed regulation. In a variety of frequency conversion speed regulation method of analysis and comparison, selection using AC frequency converter, and then select the types of frequency converters, and according to the speed control system is designed the external circuit of frequency converter. The electric control system of various fault handling requirements, selection by using the programmable controller (PLC), and the programmable controller type. Considering the practical production problems that may arise, the rational design of programmable controller (PLC) of the external circuit, and based on the programmable controller (PLC) program to make the preliminary design, to ensure that the programmable controller (PLC) for the reliable operation of the system,...
