Angle Steel Phase Shifting Tower

Angle Steel Phase Shifting Tower's core role is to balance three-phase impedance caused by spatial asymmetry of conductors, reduce asymmetric currents, line losses, and equipment heating during long-distance power transmission.

With stable truss structures, strong resistance to wind/ice loads, and adaptability to complex terrains, they feature low processing, installation and maintenance costs. These towers effectively improve transmission quality and system safety, providing reliable support for long-distance, large-capacity power grid projects.

With the expansion of modern power grids, long-distance, large-capacity EHV transmission requires high operational stability and efficiency. Spatial asymmetry of three-phase conductors in long lines causes uneven impedance, generating negative/zero-sequence currents that increase losses and damage equipment. Phase transposition is essential to solve this issue.

Based on traditional angle steel lattice towers, angle steel phase shifting towers realize safe phase transposition via optimized asymmetric cross-arms and jumper supports. Utilizing the advantages of angle steel—high strength, standardization, and easy maintenance—they ensure mechanical bearing capacity and reliable conductor transposition.

Widely used in 110kV and above projects, they maintain balanced electrical parameters, reduce losses, and safeguard grid operation.

Product advanatge

The angle steel phase shifting tower integrates superior mechanical performance with specialized electrical functionality, offering comprehensive advantages for modern power grid projects.

Primarily constructed from high-quality angle steel through a bolted assembly process, it ensures exceptional structural stability and load-bearing capacity, efficiently withstanding high wind loads, heavy ice loads, and various external forces encountered in complex terrains such as plains, hills, and mountainous areas.

Its mature truss structure design guarantees long-term operational safety and reliability, effectively reducing potential maintenance costs and downtime.

Technical advantage

A core technical advantage lies in its specialized asymmetric cross-arm configuration and dedicated jumper support systems, which enable precise and safe three-phase conductor transposition.

This unique design efficiently balances three-phase impedance, eliminates asymmetric current components, and minimizes additional line losses, thereby significantly improving power transmission efficiency and quality.

By mitigating abnormal heating in generators and transformers, it provides essential protection for critical electrical equipment, enhancing the overall safety and stability of the power system.

Economically advantage

The angle steel phase shifting tower stands out with its standardized production components, convenient processing, transportation, and installation.

The use of angle steel, a widely used and cost-effective profile in the construction industry, reduces overall project costs compared to alternative materials.

Additionally, its simple structural design facilitates quick maintenance and component replacement, ensuring efficient grid operation and management.Widely applied in 110kV, 220kV, 500kV, and above extra-high-voltage transmission projects, this tower has proven its adaptability and effectiveness in long-distance, large-capacity power transmission scenarios.

It serves as a reliable and high-performance solution for constructing balanced, efficient, and secure power grids, making it a preferred choice for power grid construction and renovation projects worldwide.

Parameter

Export Project Case Studies

We have successfully delivered angle steel phase shifting tower projects to more than 60 countries and regions, including Europe, Asia, Africa and the Americas, with typical cases as follows:

Greece 400kV Transmission Line Project, a landmark cooperation that marks our entry into the high-end European market—it is the first time Greece has purchased transmission towers from China in nearly a decade, and we supplied 218 towers (5 tower types, totaling 5300 tons) for this project, which serves as a key node for the interconnection of the Mediterranean power grid.

In addition, our products have been widely applied in power grid projects in Vietnam, the Philippines, Iraq, Uganda, Ecuador, Kenya and other countries, proving excellent adaptability to different regional climates and terrain conditions.

Partner Clients & Certifications

We have established long-term and stable cooperative relations with well-known domestic and foreign power enterprises, including State Grid Corporation of China, China Southern Power Grid, and international power grid operators in Brazil, Thailand, Kenya and other countries.

Our products have passed strict international certifications such as ISO 9001:2015, ISO 14001:2015, OHSAS 18001, ROHS and SGS, and the galvanization process complies with GB/T 13912-2002 (equivalent to ISO 1461), ensuring product quality meets international standards.

Our manufacturing base covers an area of 63,000 square meters (with a production area of 20,000 square meters) and has an annual production capacity of over 100,000 tons, equipped with advanced processing and galvanizing equipment to realize standardized production of angle steel components.

The production process strictly follows international standards, and our professional team with 38 years of manufacturing experience is committed to providing high-quality products and technical support—from product design, processing and production to on-site installation guidance, we have a complete service system to ensure project smooth progress.

Customer Testimonials

Carlos Rodriguez, Project Manager of Power Grid SA (Brazil): "Exceptional quality and service. The steel towers exceeded our expectations and were delivered on time. Their engineering team provided excellent technical support throughout the project."

Dr. Mei Lin, Chief Engineer of Teleasia (Thailand): "Professional and reliable supplier. The towers are well-built and meet all international standards. We've been working with them for over 3 years now."

Jean-Pierre Dubois, CEO of Africa Power Ltd (Kenya): "Outstanding service from start to finish. Their custom engineering solutions helped us overcome challenging terrain conditions. Highly recommended."

Our Services

Shipping Service

We cooperate with well-known international logistics companies to provide safe, efficient, and cost-effective shipping services covering global destinations. We offer flexible transportation options (sea, land, air) based on customer needs and project schedules, ensuring timely delivery of angle steel phase shifting towers.

Our team handles all logistics details, including packaging, loading, customs clearance, and cargo tracking, providing customers with real.

After-Sales Service

Our after-sales service team is available 24/7 to provide comprehensive support for customers. We offer on-site installation guidance by professional engineers to ensure correct and efficient installation of the towers.

We also provide technical training for customer teams to help them master daily operation and maintenance skills. In addition, we maintain a sufficient supply of spare parts and provide timely replacement services if needed.

For any product or technical issues, our team responds quickly and provides effective solutions to minimize project downtime and ensure the stable operation of the transmission lines.

FAQ

Q1: What voltage grades do your angle steel phase shifting towers support?

A: Our towers are available for 110kV, 220kV, 500kV, 750kV and 1000kV high-voltage/extra-high-voltage AC transmission lines, with adjustable specifications to meet different project needs.

Q2: How long is the delivery time?

A: Delivery time varies by order quantity and destination, usually 30-60 days after order confirmation, with priority shipping arrangements for urgent projects.

Q3: Can you provide customized branding and certificates?

A: Yes, we offer customized logo printing, product marking and packaging for branding, and full support to obtain ISO, SGS, ROHS and local certifications required by your target market.

Q4: What after-sales support do you provide?

A: We offer 24/7 after-sales service, including on-site installation guidance, technical training, spare parts supply and timely problem-solving to ensure stable tower operation