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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE

Transposition Tower

Engineered for phase conductor transposition, ensuring system balance, reducing power losses and improving transmission line stability.

High Strength
Structure
Custom
Design
Corrosion
Protection
Global Standards
Compliance

Product Overview

ZZ Steel Transposition Towers are specially designed to change the position of phase conductors in transmission lines, minimizing unbalance, redundancy, power losses, and improving system stability.

Our towers are customised to meet project-specific requirements and international standards.

Product TypeTransposition Tower
Voltage Level110kV – 1000kV
MaterialQ235B / Q355B / Q420B
Surface TreatmentHot Dip Galvanized
Galvanizing StandardISO 1461 / ASTM A123
Design StandardIEC 60826 / ASTM A36
BS EN 1000 / AS/NZS 7000
Wind SpeedUp to 60m/s
Seismic IntensityUp to 9 degree
Service LifeMore than 30 years

Key Features

Optimized Phase Transposition

Effectively change conductor position to reduce unbalance and improve system stability.

Strong & Reliable Structure

High strength steel and advanced structural design ensure excellent mechanical performance.

Custom Engineering

Tailored design for different voltage levels, conductor arrangements and site conditions.

Corrosion Protection

Hot dip galvanizing provides long-term protection in harsh environments.

Easy Installation

Modular design and precise fabrication ensure fast and efficient on-site installation.

Types of Transposition Towers

Double circuit transposition tower diagramDouble Circuit
Transposition Tower
Multi circuit transposition tower diagramMulti Circuit
Transposition Tower
Triple circuit transposition tower diagramTriple Circuit
Transposition Tower
Horizontal type transposition tower diagramHorizontal Type
Transposition Tower
Vertical type transposition tower diagramVertical Type
Transposition Tower

Technical Specifications (Example)

Voltage Level
(kV)
CircuitTower Height
(m)
Cross Arm
(m)
Wind Load
(m/s)
Conductor TypeDesign Standard
110Double Circuit20 – 352.0 – 3.0Up to 60ACSR / AACIEC 60826
220Double Circuit25 – 452.5 – 3.5Up to 60ACSR / AACIEC 60826
330Double Circuit30 – 503.0 – 4.0Up to 60ACSR / AACIEC 60826
500Multi Circuit35 – 603.5 – 5.0Up to 60ACSR / AACIEC 60826
750Multi Circuit40 – 704.0 – 5.5Up to 60ACSR / AACIEC 60826
1000Multi Circuit45 – 804.5 – 6.0Up to 60ACSR / AACIEC 60826

Note: Data above for reference only. Custom design available according to project requirements.

Manufacturing Process

Raw steel material inspection1Raw Material

High-quality steel material inspection

CNC steel cutting2Cutting

CNC cutting for precise parts

Automatic steel welding3Welding

Automatic welding ensures strong joints

Steel tower pre-assembly4Assembly

Pre-assembly for accurate fit-up

Hot dip galvanizing5Galvanizing

Hot dip galvanizing for corrosion protection

Strict product inspection6Inspection

Strict quality inspection before delivery

Packing and delivery7Packing & Delivery

Secure packing and timely shipment

500kV transposition tower project in Brazil500kV Transposition Tower Project
in Brazil
220kV power line project in Saudi Arabia220kV Power Line Project
in Saudi Arabia
132kV transmission line project in Indonesia132kV Transmission Line Project
in Indonesia
500kV power grid project in Kenya500kV Power Grid Project
in Kenya
220kV transmission project in Kazakhstan220kV Transmission Project
in Kazakhstan

Looking for Reliable
Transposition Tower Solutions?

ZZ Steel is your trusted partner for transmission tower manufacturing.
Contact us today to get a competitive quote for your project.