Loss of Excitation Protection in Generator: Loss of excitation protection in generator can endanger the generator or the connected system or both. It is caused by accidental tripping of field…
Rotor Earth Fault Protection of Generator: As we know already that field circuits are operated unearthed and it is not necessary to trip such a circuit completely if there is…
Stator Overheating Protection: Stator Overheating Protection - Generally stator overheating is caused by sustained overloads or by cooling system failure. Overheating because of short-circuited laminations is very localized, and it…
Generator Inter Turn Fault Protection: Merz-Price circulating current protection system does not provide protection against turn-to-turn faults (short circuits between the turns) on the same phase winding of the stator…
Self Balance Protection System of Generator: It necessarily consists of two cables connected to the two ends of each phase and the cables are passed through the circular aperture of…
Friction Interview Questions and Answers: 1. Define the term 'Friction'. Ans. If two bodies are in contact with one another. The force exerted between them at their point of contact…
What is Summation Transformer? Summation devices are employed to compare the relaying quantities derived from the currents in the three phases of the primary circuit. The effectiveness of the comparison…
Difference between Fuse and Circuit Breaker: The difference between fuse and circuit breaker is given in table below S. No. Particulars Fuse Circuit Breaker 1 Functions It performs both of…