High Voltage Transmission Cable Commissioning

A high voltage transmission cable is a critical part of the electricity network. These insulated cables consist of a conductor and insultation and are used for transmitting power underground between substations or to offshore platforms via subsea cables. They are designed to last from 30-50 years but often last much longer. Generally, when cables are installed, it is critical to screen out any defects to help avoid major financial implications associated with assessing and repairing cables post-operation.

We ensure high in-service reliability of newly laid, solid dielectric transmission class cable systems prior to being energized by identifying any life-limiting latent and/or installation-related defects using AC HiPot and partial discharge (PD) testing. We can also provide low-voltage tests to ensure the bonding and grounding scheme is functioning as intended.

We have built internationally recognized field test capabilities utilizing a combination of state-of-the-art test equipment and experienced, trained, and dedicated personnel. Our teams operate locally in North America, the UK, and the European Union. Each region has local technical expertise in high-voltage cable system testing.

Why Us?

  • Unparalleled Experience

    Having over 40 years of experience conducting partial discharge (PD) testing of cable systems, we have pioneered many different technologies for PD measurements on cables, gas-insulated switchgear, and transformer systems.

  • Large and Complex Systems

    With our larger resonant test sets and unique daisy-chained PD approach, we have tested some of the longest and most complex cable systems in the world. This includes commission-testing more than 7,500 km of transmission class cable.

  • Extensive Research Experience

    Our continuous commitment to refining and developing specific PD sensor technologies and PD signal processing techniques enables us to remain as leaders in the transmission cable industry.

  • Proven Methodology

    Our proven test methodologies help utilities and power generation companies across the globe manage their operational risks in a controlled, measured, proactive, and cost-effective manner.