Download JNTUK M-Tech 2020 R19 EEE HVDC Transmission Model Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) M.Tech (ME is Master of Engineering) 2020 R19 EEE HVDC Transmission Model Previous Question Paper

[M19PS1104]

I M. Tech I Semester (R19) Regular Examinations
HVDC TRANSMISSION
Electrical & Electronics Engineering
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Briefly explain the power handling capabilities of HVDC
lines.
1 K2 8M
b). Mention the advantages of HVDC technical economical
reliability aspects.
1 K1 7M
OR
2. a). Explain briefly abt the static converter configuration. 2 K2 7M
b). Explain different types of HVDC links in detail. 1 K2 8M

UNIT-II
3. a). Write the special features of converter transformers. 2 K1 7M
b). Draw the equivalent circuit of converter and explain it. 2 K2 8M
OR
4. With a neat sketch, explain the working of a 12pulse
converter circuit.
2 K2 15
M

UNIT-III
5. Mention the reasons for generation of harmonics in HVDC
transmission and explain them in detail.
3 K2 15
M
OR
6. a). Explain briefly abt the Individual phase control. 3 K2 8M
b). Explain briefly abt the Constant extinction angle. 3 K2 7M

UNIT-IV
7. a). Explain the significance of DC power modulation. 3 K2 7M
b). What are the advantages of Multi-terminal DC links? 6 K1 8M
OR
8. a). Give the comparison between series and parallel MTDC
systems.
6 K2 8M
b). Draw and explain the rectifier characteristics by voltage
limiting control method.
3 K2 7M

UNIT-V
9. a). Discuss abt the over voltages due to disturbances on DC
side.
5 K2 8M
b). What are the uses of circuit breakers in HVDC systems? 5 K2 7M
OR
10. a). Explain briefly abt surge arrester and their application? 5 K2 8M
b). Discuss abt over current protection. 5 K2 7M
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