DESIGN AND IMPLEMENTATION OF AUTOMATIC CHANGEOVER SWITCH BY USING CONTACTOR, MULTIFUNCTION TIMER RELAY AND ON-DELAY TIMER RELAY.

Abstract

This project develops an automatic changeover switch utilizing a contactor and a multifunction timer relay to ensure an uninterrupted power supply. The design facilitates seamless switching between multiple power sources, enhancing reliability and efficiency. Detailed implementation steps and testing results are provided, demonstrating the system's effectiveness in maintaining power continuity.