Winding Temperature Indicators: Thermal Image versus Direct Measurement
The label “winding temperature” on an instrum…
Read full articleLIBRARYEngineering resources
Technical Library
Practical engineering articles for transformer-core selection, design and production.
1,317 articles
Emergency Loading after Cooler Failure: What the OEM Must Specify
Emergency loading after a cooler failure is a…
Read full articleFibre-Optic Winding Sensors: Placement and Interpretation
A fibre-optic winding sensor offers a tempera…
Read full articleCast-Resin versus VPI Transformers: Compare the Complete Insulation System
Cast-resin and vacuum-pressure-impregnated wi…
Read full articleTemperature-Rise Test Extrapolation: What Can and Cannot Be Inferred
A temperature-rise test documents performance…
Read full articleTemperature Rise versus Absolute Temperature in Transformer Ratings
Temperature rise is a difference above a defi…
Read full articleTop-Oil Temperature versus Winding Hot-Spot Temperature
Top-oil temperature describes one part of a t…
Read full articleTransformer Thermal Ageing Calculations: Keep Assumptions Visible
A thermal ageing calculation estimates a defi…
Read full articleAmbient Temperature Records: Monthly Averages versus Design Profiles
A monthly average ambient temperature can des…
Read full articleCooling Upgrades: Why Adding Fans Does Not Automatically Uprate a Transformer
Fans can improve air-side heat removal, but t…
Read full articleTransformer Thermal Time Constants: Why Short Peaks Need Context
A short load peak is not thermally identical …
Read full articleTransformer Cooling Controls: Staged Operation and Failure States
Cooling controls determine when fans or pumps…
Read full articleNo matching articles. Try a broader keyword.
Engineering reference notes
Short reference notes complement the full published articles.