Scribd
Upload
56 views1 page

HVDC Transmission Exam April 2015

This document outlines exam questions for an M. Tech course on HVDC transmission. The questions cover topics like the power handling capabilities and advantages of HVDC lines, converter transformer design and equivalent circuits, harmonics generation in HVDC systems, individual phase and constant extinction angle control, DC power modulation and advantages of multi-terminal DC links, comparisons of series and parallel MTDC systems, rectifier characteristics with voltage limiting control, over voltages due to DC side disturbances, uses of circuit breakers, surge arresters and over current protection. Students are required to answer any five of the eight questions provided.

Uploaded by

Manohar Potnuru
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
56 views1 page

HVDC Transmission Exam April 2015

This document outlines exam questions for an M. Tech course on HVDC transmission. The questions cover topics like the power handling capabilities and advantages of HVDC lines, converter transformer design and equivalent circuits, harmonics generation in HVDC systems, individual phase and constant extinction angle control, DC power modulation and advantages of multi-terminal DC links, comparisons of series and parallel MTDC systems, rectifier characteristics with voltage limiting control, over voltages due to DC side disturbances, uses of circuit breakers, surge arresters and over current protection. Students are required to answer any five of the eight questions provided.

Uploaded by

Manohar Potnuru
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

Subject Code: G5602/R13

M. Tech – I Semester Regular/Supplementary Examinations, April, 2015


HVDC TRANSMISSION
(Common to HVE, HVPS, PS, PSC&A, EPE, EPS, PE, P&ID, PE&ED,
PE&D, EM&D, PE&PS and APS)
Time: 3 Hours Max Marks: 60
Answer any FIVE questions
All questions carry EQUAL marks
****
1. (a) Briefly explain the power handling capabilities of HVDC lines.
(b) Mention the advantages of HVDC technical economical reliability aspects.

2. (a) Write the special features of converter transformers.


(b) Draw the equivalent circuit of converter and explain it.

3. Mention the reasons for generation of harmonics in HVDC transmission.

4. Write short notes on the following terms


(a) Individual phase control
(b) Constant extinction angle

5. (a) Explain the significance of DC power modulation.


(b) What are the advantages of Multi-terminal DC links?

6. (a) Give the comparison between series and parallel MTDC systems.
(b) Draw and explain the rectifier characteristics by voltage limiting control method.

7. (a) Discuss about the over voltages due to disturbances on DC side.


(b) What are the uses of circuit breakers in HVDC systems?

8. (a) Explain briefly about surge arrester and their application?


(b) Discuss about over current protection.
****

WWW.MANARESULTS.CO.IN
|''|'''||''||'''||||

You might also like