大型电动机组保护系统中LOGO控制技术的应用

Application of LOGO! in Large-scale Motor Unit Protecting Control

介绍了西门子公司的可编程通用逻辑控制模块LOGO!的功能和特点。并针对兰州石化公司140万吨/年重油催化裂化装置1#主风机组特殊的控制保护功能需求,设计了一种基于LOGO!可编程逻辑控制模块的综合保护控制系统。实践证明,该套保护控制系统可靠性高、维护方便,保障了机组的安全运行。

The function and characteristics of Siemens programmable general logic control model is introduced. A programmable logic control model comprehensive protecting control system based on LOGO! is designed for the need of 1# main air blower of 1.4 mr/year heavy oil catalytic cracking unit in Lanzhou Petrochemical Company, which proves to be reliable and easy to maintain.