IEEE 3326-2025
IEEE Recommended Practice for the Use of Infrared Online Systems for Substation Inspection
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About This Item
IEEE 3326-2025 defines a recommended practice for using infrared online systems in substation inspection, helping engineers apply thermal monitoring in a more consistent and technically grounded way. It is relevant to power and energy applications where live equipment assessment, condition awareness, and inspection workflow control matter. By focusing on infrared-based observation of substation assets, IEEE 3326-2025 supports more reliable decisions about equipment condition and maintenance planning.
What is IEEE 3326-2025?
IEEE 3326-2025 is a technical document that addresses how infrared online systems may be used to inspect substations while equipment remains in service. The standard is aimed at defining a practical framework for observation, evaluation, and reporting so results are more consistent across inspection teams and assets. Its context sits at the intersection of power system operations, sensing equipment, and inspection procedures, where thermal data can help identify abnormal operating conditions or emerging issues.
Where is IEEE 3326-2025 used?
This standard is typically used in substation inspection programs that rely on infrared cameras, thermal sensing tools, or other online monitoring equipment. It is relevant to utility maintenance crews, asset managers, and inspection specialists working with transformers, switchgear, bus connections, and related energized components. IEEE 3326-2025 is especially useful in workflows that combine routine surveillance, condition-based maintenance, and documentation of thermal findings for operational review and follow-up action.
Why is IEEE 3326-2025 important?
IEEE 3326-2025 matters because infrared inspection results depend heavily on how measurements are taken, interpreted, and recorded. A clear recommended practice can improve consistency, reduce ambiguity in findings, and support better maintenance decisions for critical substation assets. It may also help with procurement and internal compliance by giving organizations a shared reference for inspection methods, reporting expectations, and performance control. That can reduce risk when monitoring energized equipment and planning corrective work.
- Infrared online substation inspection
- Thermal observation of energized assets
- Inspection consistency and reporting
- Condition-based maintenance support
- Power system monitoring practices
- Publication Date: 2025
- Standard Status: Active
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems; Computing and Processing; Power, Energy and Industry Applications
- Official IEEE: Doi link
- This Version: 3326 (2025)
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