Monday, January 30, 2023

Dr. A.P.J. Abdul Kalam University BE VI SEM (EX) Power System-II [EX-604] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Sixth Semester Examination, June-2021

Power System-II [EX-604]

Branch- EX

Time: 3:00 Hrs Max Marks 70

Note: 1. Attempt any five questions. All question carry equal marks.

2. Student should not write anything on Question paper.

Q.1 (a) Explain the Netwon Raphson method of load flow studies

(b) What are the advantages of interconnections? Explain the concept of

single area interconnected system and multi area interconnected system.

Q.2 (a) Discuss the following:-

(i) Load damping (ii) Speed regulation

(b) Explain the equal area criteria for transient stability analysis. Also

mention its limitations.

Q.3 (a) Discuss the significance of distributed generation in a power system,

deregulation environment.

(b) Name different types of power flow studies in power system, explain any

one method in detail.

Q.4 (a) Compare Gauss-Seidel and Newton Raphson Method.

(b) Write a short note on economic dispatch using lagragian multiplier


Q.5 (a) Draw and explain block diagram of single and two area interconnected


(b) What are the characteristics of an excitation system?

Q.6 (a) Describe in brief steady state, dynamic and transients stability.

(b) What is swing equation?

Q.7 (a) What are the method of improving transient stability?

(b) Explain economic dispatch and emission dispatch of power systems.

Q.8 Explain any one:-

(i) Solution of swing equation using step by step method.

(ii) Modified Eulers method.

(iii) Range Kutta method.

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