Name of the College : Mahatma Gandhi University
Department : Electrical and Electronics Engineering
Subject Code/Name : MEEPE 106-2/Power Systems Operation & Control (Elective)
Sem : I
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper :
I : https://www.pdfquestion.in/uploads/mgu.ac.in/5051-1-MEEPE%20106_2%20POWER%20SYSTEMS%20OPERATION%20AND%20CONTROL-set1.pdf
II : https://www.pdfquestion.in/uploads/mgu.ac.in/5051-2-MEEPE%20106_2%20POWER%20SYSTEMS%20OPERATION%20AND%20CONTROL-set2.doc
MGU Power Systems Operation Question Paper
M.TECH DEGREE EXAMINATION :
First Semester
Model Question Paper – II
Related : MGU MEEPE105-3 Power Quality M.Tech Model Question Paper : www.pdfquestion.in/5050.html
Paper – I
Branch: Electrical and Electronics Engineering
Specialization: Power Electronics
MEEPE 106-2 : POWER SYSTEMS OPERATION AND CONTROL (Elective)
(2013 Admission onwards)
(Regular)
Time : Three Hour
Max. Mark : 100 Marks
I a) Explain the constrains in unit commitment [8 Marks]
b) Explain unit commitment problem solution by priority-list method. [8 Marks]
c) Write the algorithm for priority-list scheme around a simple shut-down rule. [9 Marks]
OR
a) What do you mean by Economic Load Dispatch. [5 Marks]
b) Explain Economic Load Dispatch by lambda method. [15 Marks]
c) What are co-ordination equations. [5 Marks]
II a) Discuss briefly about hydroelectric plant models. [10 Marks]
b) Formulate a short term hydrothermal scheduling problem by gradient method. Also explain with flowchart, the solution of this problem by this method. [15 Marks]
OR
a) Explain pumped storage hydroplants. [10 Marks]
b) Formulate a short-term hydrothermal scheduling problem by Lambda-gamma method. Also explain with flowchart, the solution of this problem by this method. [15 Marks]
III a) What do you mean by ACE. [5 Marks]
b) What is the difference between ACE in single area and two-area power system. [5 Marks]
c) Sketch and explain the block schematic of a controlled two-area system. [15 Marks]
OR
a) Differentiate between flat frequency control, flat tie-line control and tie-line bias control of two interconnected power system. [15 Marks]
b) How AGC implementation is done. [10 Marks]
IV a) What do you mean by static var system. [5 Marks]
b) Explain the following:
1. Thyristor switched capacitors.
2. Thyristor controlled reactors. [20 Marks]
OR
a) Discuss factors affecting system security. [10 Marks]
b) Explain contingency analysis using sensitivity factors. [15 Marks]
Paper – II
M.TECH DEGREE EXAMINATION :
First Semester
Model Question
Branch: Electrical and Electronics Engineering
Specialization: Power Electronics
MEEPE 106.2 POWER SYSTEMS OPERATION AND CONTROL (Elective)
(2013 Admission onwards)
(Regular)
Time : Three Hour Max. Mark : 100 Marks
I a) What do you mean by unit commitment ? [5 Marks]
b) What is spinning reserve ? [5 Marks]
c) Explain with a flowchart the forward DP approach of dynamic programming solution of unit commitment. [15 Marks]
OR
a) Explain the following solutions of economic dispatch problem.
1) Gradient method
2) Newton’s method
3) Base point and participation factor method [25 Marks]
II a) Explain hydro – units in series. [10 Marks]
b) Formulate a short term hydrothermal scheduling problem by gradient method. Also explain with flowchart, the solution of this problem by this method. [15 Marks]
OR
a) Discuss briefly hydrothermal scheduling [10 Marks]
b) Explain pumped storage hydro scheduling with a lambda gama iteration. [15 Marks]
III a) What do you mean by load frequency control? [10 Marks]
b) Explain the steady state response of a controlled two area system. [15 Marks]
OR
a) What is AGC? [5 Marks]
b) Explain the function of ACE. [5 Marks]
c) Explain load frequency and economic dispatch controls in an interconnected power system. [15 Marks]
IV a) What do you mean by synchronous condenser [10 Marks]
b) Explain the different methods of voltage control. [15 Marks]
OR
a) What do you mean by contingency analysis? [5 Marks]
b) Draw the flowchart and explain the AC powerflow security analysis of a power system. Also explain this method with contingency case selection. [20 Marks]
Syllabus
Module 1 : Economic operation
Load forecasting-Method of last square curve fit-unit commitment-constraints in unit commitment solution methods-The economic dispatch problem of thermal units-Gradient method-Newton’s method-Base point and participation factor method-Unit commitment versus economic dispatch.
Module 2 : Hydro-thermal co-ordination
Hydroelectric plant models-scheduling problems-short term hydrothermal scheduling problem-gradient approach-Hydro units in series pumped storage hydro plants-hydro-scheduling using Dynamic programming and linear programming