
What are the main types and functions of electricity pylons?
2025-08-17Electricity pylons, also known as transmission towers, are the structural backbone of overhead power lines. They are designed to support conductors and are categorized by their specific function and design:
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Suspension Towers/Pylons: These are the most common type and are used for straight sections of a power line. They are designed to simply "suspend" the conductors and are built to support the vertical weight of the cables and insulators.
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Tension Towers/Pylons: These are much stronger and are built to withstand the high horizontal tension of the conductors. They are used at points where the line changes direction, at major crossings over rivers or roads, or at dead ends.
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Dead-End/Terminal Towers: A specific type of tension tower, these are located at the very start and end of a transmission line or before a substation, where they must handle the full tension of the conductors in one direction.
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Transposition Towers: These specialized structures are used to change the physical position of conductors on the line to balance electrical properties and reduce interference.
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