This technical webinar will explore advanced strategies for locating partial discharges (PD) on critical electrical assets as transformers, GIS substations, HV & MV cable terminations and switchgears with special focus on the application of Transient Earth Voltage (TEV) detection methods.

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TEV sensors are a powerful, non-invasive tool for localizing partial discharges, especially in assets in which there is needed to find any possible defect in a specific enclosed area. However, its effectiveness depends on the asset type, environmental conditions, and integration with complementary diagnostic methods.

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The session will provide practical insights into when and why TEV sensors is a valuable tool in the PD localization process.

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Key topics covered

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Understanding Partial Discharge (PD):

• A brief refresher on what PD is, its causes, and the risks it poses to electrical infrastructure.

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Detection vs. Localization:

• The distinction between detecting PD presence and pinpointing its exact location within our mixed hardware + software solution.

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TEV technology explained:

• How TEV sensors work and what they measure.
• Advantages of TEV sensors in detecting PD defects on critical assets.
• Limitations and scenarios where TEV may not be effective.

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When is TEV most useful?

• Ideal conditions for TEV application (e.g., metal-enclosed switchgear, dry environments).
• Case studies demonstrating successful PD localization using TEV.
• Integration of TEV with other diagnostic tools like ultrasonic and UHF sensors.

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Best practices and troubleshooting:

• Tips for interpreting TEV signals, avoiding false positives, and ensuring accurate localization.

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Q&A

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The session will be concluded with an interactive Q&A.

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