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Which of the following is not the correct statement regarding direct current transmission?
- a)Corona effect is less
- b)Voltage regulation is good
- c)Skin effect is negligible
- d)There is a continuous power loss
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following is not the correct statement regarding direct c...
1) Corona effect is less in DC transmission compared to AC transmission
2) Voltage regulation is better in case of DC transmission
3) Skin effect is absent in DC transmission, it is more predominant in AC transmission
4) Continuous power losses does not happen in DC transmission
Most Upvoted Answer
Which of the following is not the correct statement regarding direct c...
Not Correct Statement: There is a continuous power loss.
Explanation:
Direct current (DC) transmission is a method of transmitting electrical power from one location to another using a continuous flow of electric charge in one direction. While DC transmission has several advantages over alternating current (AC) transmission, such as lower losses and better voltage regulation, it is not true that there is a continuous power loss in DC transmission.
Advantages of DC Transmission:
1. Corona Effect: In AC transmission, corona effect occurs at high voltages, causing power loss due to the ionization of air surrounding the conductors. However, in DC transmission, corona effect is less pronounced, resulting in lower power losses and improved efficiency.
2. Voltage Regulation: DC transmission offers better voltage regulation compared to AC transmission. This is because DC power flows in a single direction, eliminating issues such as reactive power and voltage drop caused by inductance and capacitance in AC transmission lines.
3. Skin Effect: Skin effect refers to the tendency of alternating current to concentrate near the surface of a conductor, resulting in increased resistance and power loss. In DC transmission, skin effect is negligible since the current flows uniformly through the entire cross-section of the conductor, reducing power losses.
4. Power Loss: Unlike AC transmission, DC transmission does not suffer from power loss due to the reactive components of the system, such as inductance and capacitance. This leads to lower power losses and improved efficiency in DC transmission.
Therefore, the correct statement regarding direct current transmission is that there is no continuous power loss.
Explanation:
Direct current (DC) transmission is a method of transmitting electrical power from one location to another using a continuous flow of electric charge in one direction. While DC transmission has several advantages over alternating current (AC) transmission, such as lower losses and better voltage regulation, it is not true that there is a continuous power loss in DC transmission.
Advantages of DC Transmission:
1. Corona Effect: In AC transmission, corona effect occurs at high voltages, causing power loss due to the ionization of air surrounding the conductors. However, in DC transmission, corona effect is less pronounced, resulting in lower power losses and improved efficiency.
2. Voltage Regulation: DC transmission offers better voltage regulation compared to AC transmission. This is because DC power flows in a single direction, eliminating issues such as reactive power and voltage drop caused by inductance and capacitance in AC transmission lines.
3. Skin Effect: Skin effect refers to the tendency of alternating current to concentrate near the surface of a conductor, resulting in increased resistance and power loss. In DC transmission, skin effect is negligible since the current flows uniformly through the entire cross-section of the conductor, reducing power losses.
4. Power Loss: Unlike AC transmission, DC transmission does not suffer from power loss due to the reactive components of the system, such as inductance and capacitance. This leads to lower power losses and improved efficiency in DC transmission.
Therefore, the correct statement regarding direct current transmission is that there is no continuous power loss.
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Which of the following is not the correct statement regarding direct current transmission?a)Corona effect is lessb)Voltage regulation is goodc)Skin effect is negligibled)There is a continuous power lossCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Which of the following is not the correct statement regarding direct current transmission?a)Corona effect is lessb)Voltage regulation is goodc)Skin effect is negligibled)There is a continuous power lossCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is not the correct statement regarding direct current transmission?a)Corona effect is lessb)Voltage regulation is goodc)Skin effect is negligibled)There is a continuous power lossCorrect answer is option 'D'. Can you explain this answer?.
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