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Transmission line tower
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Introduction to Transmission Line Towers
Transmission line towers are key structures in the power system used to support and secure transmission lines, ensuring that electrical energy can be transmitted safely and stably to various consumption areas. Here is a detailed introduction to transmission line towers:
Basic Definition and Function
A transmission line tower is a pole or tower structure that supports overhead transmission line conductors and overhead ground wires, maintaining a certain safe distance between them and the ground. Their main function is to ensure the stability and safety of power transmission, and they are usually built in the wild, such as near power plants and substations.
Types and Classifications
Transmission line towers can be classified according to different standards:
By Voltage Level: such as 220 kV, 110 kV, etc.
By Purpose: including straight towers, tension towers, transition towers, terminal towers, crossing towers, and span towers.
By Shape: such as cup-shaped, owl-shaped, upright-shaped, drum-shaped, and horn-shaped.Design and Manufacturing Standards
The design of transmission line towers needs to consider various loads, including wind load, ice load, line tension, dead load (such as the weight of the tower, line, fittings, and insulators), the weight of personnel and tools during installation or maintenance, as well as the effects of broken lines and earthquakes. These loads need to be reasonably combined under different meteorological conditions during the design.
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