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GATE 2024 Power System Foundation Quiz 33

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Question 1

Two conductors of a single phase line, each of 1 cm diameter are arranged in a vertical plane with one conductor mounted 1 m above the other. A second identical line is mounted at the same height as the first and spaced horizontally 0.25 m apart from it, the two upper and the two lower conductors are connected in parallel then the self and mutual GMD of conductor configuration is respectively?

Question 2

A composite conductor consists of three conductors of radius R each. The conductors are arranged as shown below. The geometric mean radius (GMR) (in cm) of the composite conductor is kR. The value of k is ______.

Question 3

In a 3 phase, 3 wire system the conductors are arranged in a horizontal plane with spacing D13 = 4m, D12=2m=D23. Conductors are transposed having diameter of 2.5cm. The ratio of mutual GMD to self GMD ?

Question 4

The three conductor of a 3-phase line are arranged at the corners of a triangle of sides 2 m, 2.5 m and 4.5 m. The inductance per phase per meter, if the diameter of each conductor is 1.24 cm and conductor are regularly transposed is

Question 5

A standard conductor having radius of 2 cm & hollow conductor also of radius 2 cm .find the inductance (in μH) in both cases at a distance of 4 m from stranded and hollow ?
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Apr 14ESE & GATE EE