Test: Skin Effect & Proximity Effect
9 Questions MCQ Test Power Systems | Test: Skin Effect & Proximity Effect
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Ripple of the DC-output at power converter is ____________
Ripple at a power converter is maximum value of instantaneous difference between average and instantaneous value.
All are types of DC link.
(i) Bipolar link has two conductors
(ii) Both conductors have same magnitude of voltage.
(ii) Both conductors have same magnitude of voltage.
Both the statements are correct.
Homopolar link is employed instead of bipolar link to ___________
Homopolar link reduces corona loss.
The overvoltage that occur mainly under converter stations are due to _________
(i) Lightening and switching overvoltage
(ii) Transients produced in conductors
(iii) Overvoltage due to fault clearing
Choose the correct option.
All the statements are correct.
Smooth reactor is connected between _____________
Smoothening reactor is connected between the dc output and load to provide sinusoidal source current.
(i) Monopolar DC link has one energised conductor of positive polarity.
(ii) It was ground as return path
Opt the most appropriate.
Negative polarity is preferred on OH lines due to less radio interference.
If the currents in the two conductors of bipolar HDVC link is same, then _______
When the two conductors in bipolar link are same then ground current is zero and they have no interaction.
Which of the DC links can be operated when a fault occurs in the transmission line?
50% of rated power can be supplied.
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