Differential Protection Relay in Power System: A Differential Protection Relay in Power System scheme compares quantities derived from the input and output currents of the protected circuit in such a…
Overcurrent Protection Relay in Power System: The technique of Overcurrent Protection Relay in Power System is still widely used as a means of detecting faults on distribution system and on…
Power Swings in Power System Protection: The impedance measured or seen by a distance relay during normal load is shown in Fig. (5.29). Normally this would be outside the tripping…
Directional Overcurrent Relays in Power Systems: Directional Overcurrent Relays in Power Systems - Relay connections must be made so that the currents and voltages applied to the relay during the…
Comparator Equation in Power System Protection: Comparator Equation in Power System Protection - Taking a very general case to cover the complete range of conventional relay characteristics, let S1Â and S2…
Relay Classification in Power System Protection: There are various types of Relay Classification in Power System Protection. Normally the actuating quantity is an electrical signal, although sometimes the actuating quantity…
Methods of Discrimination in Power System Protection: Methods of Discrimination in Power System Protection are basically of two types: those which discriminate as to the location of fault, and those…
Underground Cables in Power System Articles: Capacitance of 3 Core Cables : The Capacitance of 3 Core Cables is much more important than that of overhead line because in cables…