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HVDC Questions

The document outlines the mid-examination questions for HVDC Transmission for IV B.Tech students at Sree Chaitanya College of Engineering. It consists of three sets of questions, each requiring students to answer any two questions related to topics such as faults in converters, corona phenomena, surge arresters, harmonic generation, and protection methods. Each set has a maximum of 10 marks and a time limit of 60 minutes.

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m.shivakrishna05
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23 views3 pages

HVDC Questions

The document outlines the mid-examination questions for HVDC Transmission for IV B.Tech students at Sree Chaitanya College of Engineering. It consists of three sets of questions, each requiring students to answer any two questions related to topics such as faults in converters, corona phenomena, surge arresters, harmonic generation, and protection methods. Each set has a maximum of 10 marks and a time limit of 60 minutes.

Uploaded by

m.shivakrishna05
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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SET-I

SREE CHAITANYA COLLEGE OF ENGINEERING (N0),KARIMNAGAR


IV B.Tech I SEM II MID EXAMINATIONS JANUARY-2025
HVDC TRANSMISSION
DATE: TIME: 60 Min
Branch: EEE Max marks:10

Answer any TWO of the following:

Q.No Questions CO BTL Time Mark


s
1 What are the main types of faults in converters? Briefly discuss them 3 2 30 mins 5

2 State the corona phenomena in HVDC line. Give in detail 4 4 30 mins 5

3 Write short notes on surge arresters, smoothing reactors, DC breakers.


3 2 30 mins 5

4 Explain the causes of harmonic generation in HVDC and effects on 30 mins 5


4 2
the system.
SET-II
SREE CHAITANYA COLLEGE OF ENGINEERING (N0),KARIMNAGAR
IV B.Tech I SEM II MID EXAMINATIONS JANUARY-2025
HVDC TRANSMISSION
DATE: TIME: 60 Min
Branch: EEE Max marks:10

Answer any TWO of the following:

Q.No Questions CO BTL Time Mark


s
1 Give the DC link and Converter modeling equations in per unit
3 2 30 mins 5
quantities for carrying ac-dc load flow studies

2 Explain the various steps involved in sequential method for AC/DC


4 4 30 mins 5
load flow.

3 Explain about over voltage and over current protection in the


3 4 30 mins 5
converter station?
Identify the various sources for generation of harmonics in HVDC
4 30 mins 5
systems and mention the various adverse effects caused due to the 4 5
presence of harmonics.
SET-III
SREE CHAITANYA COLLEGE OF ENGINEERING (N0),KARIMNAGAR
IV B.Tech I SEM II MID EXAMINATIONS JANUARY-2025
HVDC TRANSMISSION
DATE: TIME: 60 Min
Branch: EEE Max marks:10

Answer any TWO of the following:

Q.No Questions CO BTL Time Mark


s
1 Draw the flowchart and explain about the methods for finding the
3 2 30 mins 5
solution of AC-DC power flow

2 Discuss the operation of surge arrestors for overvoltage protection


4 4 30 mins 5
of HVDC system

3 Write short notes on: a) Audible noise b) Space charge field c)


3 2 30 mins 5
Corona effects on DC lines, d) Radio interference.

4 30 mins 5
Explain in detail various types of filters used in HVDC systems 4 3

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