RTIO West Angelas Generator Protection Relay Upgrade

Rio Tinto Iron Ore

SCOPE / SERVICES PROVIDED

The RTIO West Angelas Generator Protection Relay Upgrade project, undertaken for Rio Tinto Iron Ore, involved the upgradation and complete configuration of network settings and communication protocols. Our scope of work included:

  • Testing and commissioning of 11 protection relays at the West Angelas power station.
  • Upgrading, configuring, and refurbishing all network and protection settings, ensuring compliance with IEC 61850 standards.
  • Integration and validation of IEC 61850-based communication protocols for enhanced interoperability and reliability.

PROJECT EXECUTION

SIGMA’s team successfully executed the project by:

  • Deploying a skilled commissioning team to streamline tasks and accelerate execution within the limited timeframe.
  • Conducting pre-commissioning simulations and validations to ensure seamless implementation of IEC 61850 configurations.
  • Utilising specialised tools and software for accurate network configuration and testing.
  • Maintaining close coordination with stakeholders to ensure adherence to the project’s strict shutdown schedule.

Our structured and proactive approach enabled efficient completion with minimal disruption to operations.

CHALLENGES AND SOLUTIONS

Several challenges were encountered during the project, including the limited timeframe for an extensive scope of work, stability testing within the 5-day shutdown period, and the seamless integration of IEC 61850 standards into the existing protection systems. These challenges were addressed by leveraging an experienced team to optimise workflow, conducting thorough pre-commissioning simulations to minimise troubleshooting on-site, and employing advanced tools to ensure precise implementation and testing of communication protocols.

OUTCOMES

The successful completion of the West Angelas Generator Protection Relay Upgrade highlighted SIGMA’s capability to integrate cutting-edge IEC 61850 standards into complex power systems. SIGMA’s involvement resulted in improved system reliability, enhanced interoperability, and a streamlined upgrade process. The structured approach minimised downtime and ensured compliance with international standards, reinforcing our reputation as a leader in modernising power station protection systems.

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