Question

what is the advantage of dc over ac?
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Answer 1

Answer:

The DC affords the below mentioned advantages over AC:

1. DC needs only two wires of transmission, while a 3 phase AC may need upto 4 wires.

2. The Corona loss associated with DC is negligible, while for AC, it increases with its frequency.

3. The skin effect is also observed in AC, leading to problems in transmission conductor designs.

4. No inductive and capacitive losses.

5. No proximity effect.

6. In fact, High Voltage transmission over 650 km long is often done with DC.

Explanation:

Answer 2

Explanation:

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