Gujarat Technological UniversitySummer 2026 examination

GTU 3160920 Inter Connected Power System Summer 2026 Question Paper & PDF

B.E. · Electrical Engineering · Semester 6 · Subject code 3160920
Download official PDFView PDF here
Share with your class
Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

Q.1

14 Marks
(a)
3 marks
Define steady-state, transient, and dynamic stability in power systems.
(b)
4 marks

What is meant by interconnected power systems? Discuss its advantages and operational benefits.

(c)
7 marks

Explain different methods of voltage control in power systems and analyze their effectiveness.

Q.2

14 Marks
(a)
3 marks
Explain the classification of buses in load flow analysis. State the role of slack bus.
(b)
4 marks
Explain cascade tripping in power systems and its effects.
(c)
7 marks
Describe the Fast Decoupled Load Flow (FDLF) method.
(c)
7 marks
Evaluate the factors affecting transient stability and propose measures to improve it.

Q.3

14 Marks
(a)
3 marks
Compare Gauss–Seidel and Newton–Raphson methods for load flow studies
(b)
4 marks
Explain the formation of bus incidence matrix and primitive network with examples.
(c)
7 marks
Derive Ybus matrix using the singular transformation method.
(a)
3 marks
Define islanding and explain its importance in system reliability.
(b)
4 marks
What is unit commitment? Explain its significance in power system operation.
(c)
7 marks

Analyze the steps involved in Newton–Raphson method for solving load flow equations.

Q.4

14 Marks
(a)
3 marks
Explain the concept of penalty factor in economic load dispatch.
(b)
4 marks
Derive the expression for transmission loss formula.
(c)
7 marks
Discuss the numerical solution of swing equation for transient stability analysis.
(a)
3 marks
Define unit commitment and describe the dynamic programming approach to solve it.
(b)
4 marks
Discuss methods to improve steady-state stability in power systems.
(c)
7 marks
Evaluate equal-area criterion of stability using a neat diagram.

Q.5

14 Marks
(a)
3 marks
Define the term "load flow problem" and write the static load flow equations.
(b)
4 marks
Explain turbine speed governing system with neat diagram.
(c)
7 marks

Analyze different methods of load frequency control and explain tie-line load bias control.

(a)
3 marks
Explain generator operating cost and factors influencing it.
(b)
4 marks
Explain selective frequency control and flat frequency control methods
(c)
7 marks

Evaluate the stability of a single machine–infinite bus system using the equal area criterion.

More Inter Connected Power System papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202570 marks · 5 questions

Other Semester 6 subjects

BE Electrical

3160914
Microprocessors and Microcontrollers
3160915
Electrical Measurement and Measuring Instruments
3160916
Energy Conservation
3160917
Wind And Solar Energy

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Inter Connected Power System (Summer 2026, B.E. · Electrical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

Download official PDF All Inter Connected Power System Papers (2) →Report a typo or correction
ViewDownload PDF