Derivation of Single Phase Quantity from Three Phase System: It will be seen later that auxiliary channels or pilot wires are used to transmit information from one end of the…
Important Questions of Neutral Grounding: 1. What do you mean by grounding or earthing? Explain it with an example. 2. Describe ungrounded or isolated neutral system. What are its disadvantages?…
Important Questions of Sub Stations: 1. What is a sub-station ? Name the factors that should be taken care of while designing and erecting a subÂstation. 2. Discuss the different…
Important Questions of Protection of Busbars and Lines: 1. What is the importance of bus-bar protection ? 2. Describe the following systems of bus-bar protection : (i) Differential protection (ii)…
Important Questions of Unsymmetrical Fault: 1. What is a 3-Φ unsymmetrical fault ? Discuss the different types of unsymmetrical faults that can occur on a 3-Φ system. 2. Discuss the…
Important Questions of Voltage Control: 1. Discuss the importance of voltage control in the modern power system. 2. What are the various methods of voltage control in a power system…
Important Questions of AC Distribution: 1. How does a.c. distribution differ from d.c. distribution ? 2. What is the importance of load power factors in a.c. distribution ? 3. Describe…
Important Questions of DC Distribution: 1. Describe briefly the different types of d.c. distributors. 2. What are die advantages of a doubly fed distributor over singly fed distributor ? 3.Derive…