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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