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Application Of Heavy Hammer On High Voltage Overhead Transmission Lines
Oct 06, 2018

Application of heavy hammer on high voltage overhead transmission lines

1) When the wind deflection of the suspension insulator string of the tower is greater than the allowable value, the insulation gap of the tower is insufficient.

2) The suspension combination of suspension insulator string or lightning conductor of a straight line tower produces uplift.

3) Transfer the suspended insulator string to the tower body by using the transposition of the straight pole tower, and when the insulation gap of the tower is insufficient;

4) When the old lines are boosted and operated, the insulation gap of the tower members is insufficient.

According to the offset angle of the above conditions, the required increase of vertical load is calculated, and the weight hammer is suspended under the insulator string.

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