随着高层建筑和智能化楼宇的增多,电气控制设备越来越多,各类控制线路广泛应用在各种自动化领域中。因此,作为电气工程技术人员,需要掌握一定的电气控制线路设计知识,懂得电气设计基本原则、基本内容和基本方法。主要介绍继电——接触器控制线路的设计方法。 With the increase of high-rise buildings and intelligent buildings, more and more electrical control equipment, various types of control lines are widely used in various fields of automation. Therefore, as electrical engineering technicians, we need to know a certain amount of electrical control circuit design knowledge, understand the basic principles, basic contents and basic methods of electrical design. Mainly introduces the relay - contactor control circuit design method.