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A voltage of 164,112 V in a transmission line is reduced to 65,270 V at the area substation, to 13,115 V at the distributing substation and finally to 894 V at a utility pole outside your house. What turn
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16 votes
16 votes
A voltage of 164,112 V in a transmission line is reduced to 65,270 V at the area substation, to 13,115 V at the distributing substation and finally to 894 V at a utility pole outside your house. What turn ratio Ns/Np is required for entire process.

User Jonel
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1 Answer

22 votes
22 votes

Turn ratio Ns/Np is equal to the ratio of voltage between the secondary (lower voltage) and the primary (higher voltage).

Ns/Np = Vs/Vp = 894/164112

Ns/Np = 0.00545

User Falyoun
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