High Temperature Low Sag (HTLS) Conductor Testing
HTLS conductors and connectors testing and qualification services for the transmission and distribution industries.
Our Global Team
Canada
Ken D'Silva
Senior Business Development Director, CanadaOur Global Team
United States
Aron Sexton
Executive Senior Director, T&D Sales, US, United StatesOur Global Team
United Kingdom
Anuj Nayyar
Sr. Business Development Director – T&D, United KingdomOur Global Team
Germany
Stefan Maetzold
Operations Director – HV Field Services, GermanyOur Global Team
Germany
Rene Hummel
Bus. Dev. Director-Trans. Cables Testing, GermanyOur Global Team
International
Shahrokh Zangeneh
Chief Commercial Officer, InternationalHTLS Conductor Testing Overview
High Temperature Low Sag (HTLS) conductors are a type of electrical conductor used for overhead lines. They carry more electrical current and operate at higher temperatures compared to traditional conductors.
HTLS conductors withstand higher continuous operating temperatures (>150°C) and maintain much lower levels of sag, ensuring safety and reliability. The materials used in HTLS conductors include thermal resistant aluminum alloys and composites - making them more resistant to corrosion and extending the assets’ lifespan.
For over three decades, we have been uniquely positioned to provide testing services for HTLS conductors and connectors through rigorous evaluation of their unique operational stresses.
Why Our High Temperature Low Sag Conductor Testing?
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Protecting Your Investment
Subjecting your HTLS conductors to various mechanical, electrical, or environmental stresses will allow you to confirm that your design is robust and that it will enable you stay connected for the design life of the line and network.
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Informed Decisions About Asset Life
As infrastructure ages, testing samples harvested from the field will provide accurate information about the condition of your assets so you can make informed decisions on how best to maintain them and extend their useful life.
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Establishing the Right Design
Testing provides real data to verify the conductor characteristics required for line design and can be used to validate new designs.
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Transport, Installation, and Operation Tests
We can undertake rigorous tests that simulate the transportation, installation, and in-service conditions of all your equipment and hardware.
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Helping You Decide
By carrying out comparison tests on different designs, you can obtain the information needed to select the most suitable and reliable design for your particular application.
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Predicting Asset Lifecycle Performance
Our custom-designed tests will establish the way installation or operating conditions may affect the long-term performance of your conductors and hardware system.
Our High Temperature Low Sag Conductor Testing Technical Abilities
Testing During Design and Production Phase
We offer independent, third-party type tests to verify performance and assurance of the quality of products for new conductor designs. Involving us in the testing of conductors to ensure they will meet the rigorous standards will mean you can be confident they will perform as designed and provide strong connectivity.
You can trust our testing and analysis to protect your investments and avoid future maintenance challenges or early asset replacement costs.
Reliable Operation through Maintenance and Asset Management
Maintaining reliability while extending the useful life of conductors, preventing failures, and ensuring employee and public safety, are all supported by research and by robust asset management plans.
With aging infrastructure, there is an increased probability of critical failures of key components. This can be avoided by comprehensive inspection, assessment, and maintenance planning.
We have decades of experience when it comes to conducting health assessments to evaluate the condition of conductors and shield wires. By simulating stresses, our analysis can provide predictive estimates on the remaining life of a conductor. This testing information can help determine failure modes and root causes and help to maintain high reliability of your transmission system and reduce unexpected failure occurrence.
Proven Expertise
We are internationally recognized with a reputation for technical excellence in engineering and a long-established track record for connector and conductor testing services to the electric utility industry. Trust us to handle a wide range of conductor tests and connector tests, from new product and aged component testing to custom projects and special studies—all from a single location.
Installation Phase Impact Simulation
With our services we can safely simulate your unique project installation conditions before the heavy lifting begins. We test for severe sheave pulling angle, high tension and compression, and extreme bending stresses and we validate new installation practices and tools being used to upgrade your overhead line.
Operation Phase Impact Simulation
For operational transmission lines understanding the standards and condition of the conductors will ensure the reliability and security of your power transmission supply. We can simulate excessive or unique stresses, vibration impacts or ice loading conditions, and simulate thermal and mechanical stress to accelerate aging on components.
Stress-Strain and Creep Tests
One important factor in the design of overhead transmission lines is the calculation of the sag and tension of the conductor. This calculation includes the measurement of the conductor creep and its stress-strain characteristics.
- Measure Basic Conductor Characteristics
- Develop Data Required for Line Design
- Test at Elevated Temperatures (up to 350°C/4000A)
Sheave Tests
- Simulate Installation Conditions (tension, angles, work-methods)
- Verify Mechanical Integrity Under Repeated Bending Stresses
- Undertake Single, Tandem or Triple Sheave Testing
Thermal Mechanical Cycling Tests
- Simulate Simultaneous in-service Stresses Through Tension and Thermal Cycling
- Monitor Temperature and Electrical Stability of Conductor/connector Systems
- Evaluate Loss of Strength or Other Material Property Degradation
Aeolian Vibration and Galloping Tests
- Simulate Fatigue Cycles Caused by Different Vibration Modes
- Quickly Simulate Decades of Vibration
- Test Hardware and Conductor as a System
Sag-Tension and Ampacity Tests
- Verify Conductor Sag/Ampacity/Temperature Relationship
- Perform Side-by-side Comparisons of Conductors for Re-conductoring
- Verify Software Modeling through Actual Physical Measurements
Our Proven Experience
Quality Assurance & Technical Standards
- ASTM Standards
- G31, G36, G112, G28, G48, G85
- BS EN Standards
- British and European Standard Specifications
- CIGRE Test Protocol
- Test Procedure for Power System Expertise
- IEEE Standards
- Standards developed and maintained by Institute of Electrical and Electronics Engineers
- ISO Standards
- Quality Standards Certified by The International Organization for Standardization
- PGCIL Specifications
Key Clients
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