用PLC控制的单台自耦变压器起动多台电动机  

The Application of PLC in Starting Many Motors Using an Autotransformer

作　　者：赵华军[1] 梁昔明[1] 

机构地区：[1]中南大学

出　　处：《机电工程技术》2006年第11期40-42,110,共3页Mechanical & Electrical Engineering Technology

摘　　要：本文针对目前大功率电动机采用自耦变压器减压起动的方法,从经济、可靠的角度考虑,提出采用PLC来控制一台自耦变压器分时起动多台电动机,并给出了系统主回路和控制电路接线图,以及PLC部分主要程序,并具体阐述了其实现方法。Considering the present methods of starting high-power motors used autotransformers,the article brings forward a method of using an autotransformer starting five motors,which is based on the views of economy and dependability.Furthermore,the article provides the main circuit,controlling circuit and the partial program or PLC,and expounds the implement of this method detailed.

关 键 词：PLC 自耦变压器 电动机 

分 类 号：TM32[电气工程—电机]