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Question

Which of following statements is not true for transpositions of conductors?

A.
                it refers to exchanging the positions of power conductors at regular intervals along the line.

B.
 the flux due to the zero phase sequence or longitudinal current is unaffected by transpositions of power systems.
C.

 it results in the increase of electromagnetically induced EMF on the wires.


D.

Transposition's purpose is to balance the capacitances of the line. 


Answer ( Option C)

 it results in the increase of electromagnetically induced EMF on the wires.


Solution

Transposition of conductor is done for :


1.By transposition of transmission line net resultant flux become zero which is link with communication line.    

2.It refers to exchanging the positions of power conductors at regular intervals along the line.

3.The flux due to the zero phase sequence or longitudinal current is unaffected by transpositions of power systems.    

4.Transposition's purpose is to balance the capacitances of the line.

           Hence, the correct option is (C).   

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