Design of a change-over controller for electrical back-up power supply / Abdul Rahim Basarai @ Basri, Khalil Hamzah and Md Adharuddin Md Arif

One of the problems in electrical or electronic equipments operation is when the main supply is interrupted, certain critical equipment may be affected and requires a form of back up for reliable operation. General methods adopted to provide continuous supply includes the use of standby diesel generator or through the use of Uninterruptable Power Supply (UPS) System. UPS system are generally expensive especially when long period of backups are required leading to high category cost. Standby generators on the other hands are comparatively more cost effective. The importance of continuous reliable supply is critical to the operation of electrical equipment. This project is concerned with the development of the controller that could enable an existing single phase generator set to be controlled so as to provide automated starting.