英语翻译摘要：阐述了固态继电器的原理、结构、特点及交流直流固态继电器的适用范围,并针对交流固态继电器,提出了根据它的几个

Abstract:This paper describes the principles of solid-state relay,structure,characteristics and the exchange of direct current scope of application of solid-state relays and solid-state relay for exchange made in accordance with several of its key parameters to select a reasonable method of solid-state relay,the application circuit in the design of a number of issues requiring attention,as well as the corresponding connections of the computer interface circuit.