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Automated Electrical Protection System for domestic application

Power outage is a common problem when there are electrical faults occurred, which would lead to discontinuity of electrical supply to domestic building. For domestic consumers, power continuity is very important since some of the appliances such as refrigerator, aquarium and alarm system require a continuous electrical supply. However, fault occurred in the system will trip the earth leakage circuit breaker (ELCB) and disrupt the supply to all the appliances. Fault may occur due to short circuit, ground fault or overloading. Thus, the aim of this paper is to develop an automatic system for single-phase power system to overcome the problems. The automatic system is able to detect and isolate the fault in order to ensure the power continuity in the building.