Kuang, Wei; Or, Siu Wing; Leung, Chung Ming; Ho, S.L. - In: International Journal of Rail Transportation 1 (2013) 1-2, pp. 74-86
A solid state relay (SSR) is an electrical ON-OFF control device through which the delivery of electrical power to loads is switched either ON or OFF by a small control signal. The device serves the same function as a classical electromechanical relay (EMR) but carries no mechanical switching...