Case Study- Maximizing Transformer Lifespan

Strategies For Enhanced Performance with Dependable Online Condition Monitoring Systems

Overview

After performing several preventive maintenance checks on high-voltage equipment, a utility conducted cable testing and detected partial discharge activity in the cables. Once the partial discharge issue was addressed, the system stabilized, avoiding a potential catastrophic failure and preventing significant financial loss. As a result, the utility decided to implement Rugged Monitoring’s online condition monitoring for the entire system, with particular attention to transformers, which play a key role in generating revenue in any electrical system.

The Challenge

A sizeable utility network faced several challenges when justifying the ROI on their electrical assets, especially transformers:
  • Lack of a ‘smart grid’ framework

    Growing risk of unexpected failures with traditional monitoring systems

  • No asset connectivity

    Siloed systems increased maintenance costs and deferred critical infrastructure upgrades.

  • Need for remote access

    Increased asset downtime and O&M costs with manual on-site inspections.

  • Required a scalable solution

    Increased difficulty in managing data and delivering detailed reporting for seamless operations.

The Challenge

A sizeable utility network faced several challenges when justifying the ROI on their electrical assets, especially transformers:
Lack of a ‘smart grid’ framework

Growing risk of unexpected failures with traditional monitoring systems

No asset connectivity

Siloed systems increased maintenance costs and deferred critical infrastructure upgrades.

Need for remote access

Increased asset downtime and O&M costs with manual on-site inspections.

Required a scalable solution

Increased difficulty in managing data and delivering detailed reporting for seamless operations.

The Rugged Monitoring Solution

Rugged Monitoring provided a comprehensive condition monitoring system along with an AI-enabled asset performance management system to improve the utility’s reliability and efficiency significantly:
  • Transformer Monitoring System

    Real-time monitoring of critical parameters such as PD, hotspots, bushing, and DGA using intelligent IIoT sensors and edge devices.

  • Online Monitoring Solution

    To continuously monitor DGA and the upgraded UHF PD system, along with other critical parameters like bushings.

  • R501+RM EYE for advanced analytics

    Rackmount customizable solution R501, along with AI-enabled RM EYE for comprehensive electrical asset condition monitoring.

The Outcome

With superior diagnostics and recommendations aimed at prolonging asset health, our complete transformer monitoring system, with RM EYE, offered enhanced functionality:

  • Real-time alarm/ alert notifications
  • End-to-end turnkey integration
  • One-stop solution with RM EYE
  • Advanced AI-enabled analytics and predictions
  • 24 x 7 remote functionality

Rugged Monitoring’s condition monitoring system prioritizes critical fault parameters by continuously tracking asset health, identifying maintenance needs, and scheduling repairs accordingly. This approach prevents asset failures, reduces downtime, and avoids laborious practices.

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