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Question

The purpose of guard ring in transmission line is to

A.

reduce the earth capacitance of the lowest unit

B.

increase the earth capacitance of the lowest unit

C.

reduce the transmission line losses

D.

increase the transmission line losses

Answer ( Option A)

reduce the earth capacitance of the lowest unit

Solution

The purpose of guard ring in transmission, time is to reduce the earth capacitance of the lowest unit. In also equalize the potential distribution across each suspension insulators.

Hence, the correct option is (A).

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