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Calculate the disruptive critical voltage for a three phase line with conductor of radius 1cm and spaced symmetrically, 4m apart

Vc = (3 × 10⁶)/√2 • r × inD/r

where D is the spacing Conductor

and r is the radius of each conductor

D = 4m, r = 1cm ≈ 0.01m

Vo = (3 × 10⁶)/√2 • 0.01 × in(4/0.01)

30,000/√2in400 = 21213.2×5.99

Vo = 127067.07v

Oluwamuyide Peter

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