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Test: HVDC of Power Systems - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: HVDC of Power Systems

Test: HVDC of Power Systems for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: HVDC of Power Systems questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: HVDC of Power Systems MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: HVDC of Power Systems below.
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Test: HVDC of Power Systems - Question 1

In case of HVDC system, there is

Detailed Solution for Test: HVDC of Power Systems - Question 1
  • In HVDC transmission current distributes uniformly over the cross-section of the conductor. Hence no loss due to skin effect is encountered.
  • Corona Loss directly proportional to frequency. Therefore in the DC line, corona loss will be lesser compared to the AC line.
Test: HVDC of Power Systems - Question 2

A dc line carries

Detailed Solution for Test: HVDC of Power Systems - Question 2

Due to requirement of less number of conductors, a dc line carries more power than a ac line, (losses of the line reduces in HVDC).

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Test: HVDC of Power Systems - Question 3

HVDC transmission is preferred to EHV AC because

Detailed Solution for Test: HVDC of Power Systems - Question 3

HVDC transmission is more reliable than EHV AC because it uses ground or sea return and therefore, in case of fault on a line it can still be used to supply power with the help of healthy lines.

Test: HVDC of Power Systems - Question 4

Back-to-back HVDC is used to

Test: HVDC of Power Systems - Question 5

HVDC transmission needs

Test: HVDC of Power Systems - Question 6

In HVDC system a converter acts as a rectifier when the firing angle α has a value

Test: HVDC of Power Systems - Question 7

The capital cost on a HVDC converter is

Test: HVDC of Power Systems - Question 8

In a dc transmision

Detailed Solution for Test: HVDC of Power Systems - Question 8

As operating frequency, f = 0 therefore, there is no effect of XL and XC.

Test: HVDC of Power Systems - Question 9

As compared to ac transmission dc transmission is free from

Test: HVDC of Power Systems - Question 10

Which of the following is/are correctly matched?

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