Discrimination Of Overcurrent And Earth Fault Of A Low Voltage System

Haznirah, Mohd Ghazali (2009) Discrimination Of Overcurrent And Earth Fault Of A Low Voltage System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

	PDF (24 Pages) Discrimination_Of_Overcurrent_And_Fault_Of_A_Low_Voltage_System_-_TK2861_.H39_2009.pdf - Submitted Version Download (246kB)
	PDF (Full Text) Discrimination_Of_Overcurrent_And_Fault_Of_A_Low_Voltage_System_-_TK2861_.H39_2009.pdf - Submitted Version Restricted to Registered users only Download (3MB)

Abstract

This project is to analyze how the discrimination of overcurrent and earth fault happen to the relay. This project is divided into two parts as FYP I and FYP II which are conducted throughout Semester I and Semester II 2008/2009. The project is based on the fault happen and selectivity of the relay to trip. The function of the relay is to protect the instrument that situated in an electrical system. In that case the relay will create a save zone to work and will protect the entire instrument so it will remain in a good condition. The analysis will focus on the testing of the relay operation time and current to discriminate the fault and focus on relay setting so it can operate within the minimum current operation. The discrimination is achieved when the relay nearest fault operates rather than other relay upstream on it. This ensures that a fault will be disconnected with minimal disruption to any other circuit in the system. Therefore, the setting of relay which is near the equipment must be nominal value and trip first to protect the equipment. So the analysis will ensure that the relay and protection system can operate under certain fault. This analysis can be design a low voltage network.

Actions (login required)

View Item