Winding Temperature Indicators: Thermal Image versus Direct Measurement
The label “winding temperature” on an instrum…
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Articoli tecnici pratici per la selezione, la progettazione e la produzione di nuclei per trasformatori.
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Emergency Loading after Cooler Failure: What the OEM Must Specify
Emergency loading after a cooler failure is a…
Leggi l'articolo completoFibre-Optic Winding Sensors: Placement and Interpretation
A fibre-optic winding sensor offers a tempera…
Leggi l'articolo completoCast-Resin versus VPI Transformers: Compare the Complete Insulation System
Cast-resin and vacuum-pressure-impregnated wi…
Leggi l'articolo completoTemperature-Rise Test Extrapolation: What Can and Cannot Be Inferred
A temperature-rise test documents performance…
Leggi l'articolo completoTemperature Rise versus Absolute Temperature in Transformer Ratings
Temperature rise is a difference above a defi…
Leggi l'articolo completoTop-Oil Temperature versus Winding Hot-Spot Temperature
Top-oil temperature describes one part of a t…
Leggi l'articolo completoTransformer Thermal Ageing Calculations: Keep Assumptions Visible
A thermal ageing calculation estimates a defi…
Leggi l'articolo completoAmbient Temperature Records: Monthly Averages versus Design Profiles
A monthly average ambient temperature can des…
Leggi l'articolo completoCooling Upgrades: Why Adding Fans Does Not Automatically Uprate a Transformer
Fans can improve air-side heat removal, but t…
Leggi l'articolo completoTransformer Thermal Time Constants: Why Short Peaks Need Context
A short load peak is not thermally identical …
Leggi l'articolo completoTransformer Cooling Controls: Staged Operation and Failure States
Cooling controls determine when fans or pumps…
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