Articles & Case Studies

Partial Discharge background

UV imaging is transforming transformer maintenance by enabling early detection of partial discharges. This powerful technology supports better design, manufacturing, and field inspections—helping utilities prevent failures, reduce downtime, and extend transformer life.

Utilities face increasing pressure to modernize inspection processes and manage growing volumes of asset data. This article explores how IEEE Std 1808-2024 and OFIL’s Gridnostic platform enable structured data collection, AI-based diagnostics, and smarter decision-making across transmission infrastructure.

Cut maintenance costs and boost efficiency with Ofil’s DayCor® UV cameras! Detect corona discharge, target only contaminated insulators, and save millions on unnecessary washing.

The T&D sector faces growing challenges, from aging infrastructure to rising energy demand. Predictive maintenance using UV cameras enables early fault detection, reducing costs and preventing failures. This article explores how advanced diagnostics optimize grid reliability and efficiency.

Advancements in high-voltage diagnostics are revolutionizing electrical system reliability. One video explores the importance of corona and partial discharge testing in high-voltage labs, showcasing essential techniques for ensuring equipment safety. Another highlights a compact handheld corona camera with high UV sensitivity, enabling real-time detection of corona partial discharges for improved maintenance and diagnostics.

Laborelec has embraced advanced ultraviolet (UV) detection to assess partial discharges in high voltage rotating electrical machines. This fast and safe method allows for early identification of insulation deterioration, ensuring power plant reliability. By utilizing Ofil's UV camera, experts can pinpoint potential faults in power generators and motors, both during routine maintenance and after repairs.

This article presents a comprehensive study on the detection of partial discharge (PD) in medium voltage (MV) and high voltage (HV).

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