Deepakkumar Yadav
Q. Explain the causes for faults. Q. State the causes of fault. Mostly the faults are caused by failure of insulation. The failure of insulation results in short circuits which are very harmful. Faults are also caused by breaking of conductors due to excessive heat or mechanical stresses. Most of the faults on Transmission lines … Read more
State the functions of protective system. As mentioned above, protective system should operate automatically under abnormal condition within minimum time. Apart from this it should have following essential features : Quick operation : To minimize the damage to the faulty part, the switchgear must operate as quickly as possible after the occurrence of fault If … Read more
Differential Current Protection of Traction Circuits There are various schemes for the protection out of which differential current protection scheme for traction circuit is widely used. This protection is possible with the help of differential relays. These relays take a variety of forms depending on the equipment they protect. The differential relay is one that … Read more