Dr. A.P.J. Abdul Kalam University MTECH I SEM (PS) Power Electronics Applications to Power Systems (MTPS-104) Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

First Semester Main Examination, Dec-2020

Power Electronics Applications to Power Systems (MTPS-104)

Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions out of eight.

Q.1 (a) What is meant by reactive power capability of an alternator? 7

Explain capability curve.

(b) Explain the line loadabity of transmission line. 7

Q.2 (a) Write the algorithm for formation of bus impedance matrix. Also 7

mention the necessity for such matrix.

(b) Develop a mathematical model for phase shifting transformer. 7

Q.3 (a) How will you generate elements of GSDF (Generation Shift Distribution 7

Factor) for a bus system? Discuss its applications.

(b) Describe contingency. How it can be evaluated and what are the precontingency corrective scheduling? 7

Q.4 (a) Describe proximity indicators for voltage stability. 7

(b) What is the significance of ranking in power system? 7

Q.5 (a) Explain basic principles of FACTS in the transmission of power. 7

(b) Compare the performance of TSC and SVCs. 7

Q.6 (a) Explain the effect of shunt compensation in power system with necessary

derivation. 7

(b) Describe the reasons for variation of voltages in power system. 7

Q.7 (a) Discuss the basic principle and basic modes of operation of TCSC. 7

(b) Explain in brief the analysis of transient stability model of TCSC. 7

Q.8 Write short note on :- (3.5 mark each)

(a) Surge Impedance Loading

(b) Power System Security Levels

(c) Line Outage Distribution Factors

(d) Reactive Power Control

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