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Question

Transposition of a transmission line is done to 

A.

Reduce line loss 

B.

Reduce skin effect 

C.

Balance line voltage drop 

D.

Reduce corona

Answer ( Option C)

Balance line voltage drop 

Solution

Transposition of conductors refers to the exchanging of position of conductors of a three phase system in order to reduce voltage drop due to inductance and capacitance of the transmission line.

Transposition of a transmission line is done to :

1. Balance the line voltage drop.

2. Net resultant flux , which link communication line become zero.

3. GMD/Phase equal

4. Inductance/Phase equal

5. Current/Phase equal

6. Flux per phase equal

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