DR.
BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE
Mid Semester Examination – October 2022
Course: B. Tech in Electrical Engineering Sem: VII
Subject Name: HVDC TRANSMISSION AND FACTS Subject Code: BTEEE705D
Max Marks: 20 Date: - 19 /10 /2022 Duration: - 1 Hr.
Instructions to the Students:
1. All questions compulsory
2. Assume suitable data if required.
CO Blooms Marks
Level
Q. 1 Multiple Choice Questions 1X6
1. HVDC Homo polar links uses CO705.1 2
a. One conductor usually of negative polarity
b. One conductor usually of positive polarity
c. Two conductors of positive and negative polarity
d. Two conductors of negative polarity
2. HVDC transmission lines are more economical for CO705.1 2
a. Short distance transmission
b. Interconnected systems
c. Long distance transmission
Any distance transmission
3. Which of the following is Multi terminal HVDC system? CO705.1 2
a. Monopolar
b. Bipolar
c. Homopolar
d. Both (a) and (b)
4. Which of the following is not part of HVDC system CO705.1 2
a. Filter
b. Smoothing reactor
c. Convertor transformer
d. None of the above
5. HVAC transmission lines are __________ as compared to CO705.1 2
HVDC lines.
a. difficult to erect
b. more expensive for long distances
c. more expensive for short distances
d. less expensive for short distances
6. Two six pulse converters used for bipolar HVDC transmission CO705.1 2
system, are rated at 1000MW, + 100 kV. What is the dc
transmission voltage?
a. 200 kV
b. 400 kV
c. 500 KV
d. 100 kV
Q.2 Solve Any Two of the following. 3X2
(A) Analyze principle of DC Link control. CO705.2 4
(B) Analyze Current and Extinction Angle Control CO705.2 4
(C) Analyze Starting and Stopping of DC Link CO705.2 4
Q. 3 Solve Any One of the following. 8 X1
(A) Explain the characteristics of a 12 pulse bridge converter CO705.2 2
(B) Explain in detail choice of converter configuration. CO705.2 2
*** End ***
Answer Key and Solution
Q. 1
MCQ Answer Key Explanation (if any)
1. c Refer topic no 1.4 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
2. c Refer topic no 1.2 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
3. b Refer topic no 1.4 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
4. d Refer topic no 1.4 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
5. b Refer topic no 1.4 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
6. a Refer topic no 1.4 of unit 1 of “HVDC POWER TRANSMISSION
SYSTEMS” By “K. R. Padiyar”.
Q. 2
A) Ans:-Refer topic no 4.2 of unit 4 of “HVDC POWER TRANSMISSION SYSTEMS” By “K. R. Padiyar
B) Ans:-Refer topic no 4.6 of unit 4 of “HVDC POWER TRANSMISSION SYSTEMS” By “K. R. Padiyar
C) Ans:-Refer topic no 4.7 of unit 4 of “HVDC POWER TRANSMISSION SYSTEMS” By “K. R. Padiyar
Q. 3
A) Ans:-Refer topic no 3.5 of unit 3 of “HVDC POWER TRANSMISSION SYSTEMS” By “K. R. Padiyar
B) Ans:-Refer topic no 3.2 of unit 3of “HVDC POWER TRANSMISSION SYSTEMS” By “K. R. Padiyar
Prof. Jagdish More Prof. Farha Naz Dr. Vishal Moyal
Course Coordinator Module Coordinator Program Coordinator
