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Case Study - Online Partial Discharge Monitoring System for Generators

A comprehensive condition monitoring system with Advanced APM, RM EYE

Overview

First Gen Corp, a leading provider of clean and renewable energy in the Philippines, was seeking solutions to enhance their partial discharge monitoring. Their previously installed solutions proved to be inadequate in ensuring continuous and reliable monitoring. They aimed to accurately measure and analyze their findings of partial discharge faults in generators.

Rugged Monitoring provided their Enterprise APM Suite, RM EYE, along with HSENS-CC and HPM601-C as the complete intelligent PD monitoring system. This collaboration empowered the organization with continuous operational visibility and data-driven decisions, maximizing their asset ROI.

The Challenge

The existing partial discharge monitoring system caused significant reliability issues. The system was unable to deliver a stable, continuous electrical grid and posed several risks for the hydro power plant:

  • Delayed Fault Identification

    Offline and manual diagnostics had a cumulative effect on maintenance costs and risked a complete plant shutdown.

  • Lack of Real-Time Visibility

    Without proactive measures, the maintenance strategy will inevitably hinder the identification of health and performance trends.

  • Absence of a Centralized Monitoring Platform

    Without a centralized platform, it would be difficult to correlate data patterns and anomalies for timely fault interventions.

  • Inefficacy of Predictive Maintenance

    Lack of data-driven analytics would impair the plant’s ability to shift from reactive to proactive maintenance.

The Rugged Monitoring Solution

Rugged Monitoring’s complete partial discharge monitoring system, including IIoT-based sensors, edge devices, and Enterprise APM, RM EYE, empowered the hydro power plant with real-time visibility and data-driven insights to support their predictive maintenance.

  • High-Frequency Capacitive Couplers

    Our retrofit solutions, HSENS-CC, are installed parallel to the generator terminal windings for continuous visibility.

  • High-Frequency Continuous Edge Device

    Our multi-channel HF PD monitor ensures accurate detection and sensitive measurement of PD faults.

  • Enterprise APM, RM EYE

    Rugged Monitoring’s complete PD monitoring system has been in place since May 2023, ensuring continuous and real-time visibility of the asset:

The Outcome

Rugged Monitoring’s complete PD monitoring system has been in place since May 2023, ensuring continuous and real-time visibility of the asset:

  • Customizable Thresholds: RM EYE promptly alerted on various behavioral patterns, identifying PD activity exceeding established thresholds.
  • Addressing Underlying Issues: RM EYE additionally alerted on issues stemming from overheating or prolonged PD activity.
  • Maximizing Asset Longevity: By predicting faults early on, the hydro power plant was able to maximize the generator’s lifespan.
  • Data-Driven Insights: RM EYE offered advanced analytics for optimizing maintenance schedules and enhancing operational efficiency.
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