Protective Angle and Protective Zone of Ground Wires

Protective Angle and Protective Zone of ground Wires

Protective Angle and Protective Zone of ground Wires
Protective Angle and Protective Zone of ground Wires

The protective angle of a ground wire is defined as the “angle between a vertical plane through a ground wire and a slanting plane connecting the ground wire with the other most conductor.

Experience with various line indicates that an angle of (20°) gives satisfactory protection. Some line with shielding angle as high as (45°) is in use. The performance of the lines is rather poor. However, some utilities have adopted (30°) to be the angle of shielding with good results.

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