Ultrasonic Dead Zones in Thin Transformer Tank Welds
A thin tank seam may place near-surface and b…
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Biblioteca tecnica
Articoli tecnici pratici per la selezione, la progettazione e la produzione di nuclei per trasformatori.
1,317 articoli
Magnetic-Particle Testing of Transformer Tank Attachment Welds
One magnetization direction can miss a differ…
Leggi l'articolo completoRadiator Header Welds: Inspect Before Access Closes
Final inspection can have less access than an…
Leggi l'articolo completoWelding Thin Corrugated Transformer Panels to Heavy Frames
The thin sheet and heavy frame can impose com…
Leggi l'articolo completoBack-Gouged Transformer Tank Welds: Inspect the Exposed Root
The back-gouged surface is an inspection oppo…
Leggi l'articolo completoTransformer Tank Corner Welds: Detect Lack of Fusion
A corner geometry can hide the fusion boundar…
Leggi l'articolo completoTransformer Tank Weld Porosity: Does It Form a Leak Path?
A weld pore needs connectivity to create a th…
Leggi l'articolo completoTransformer Tank Weld Qualification: Cover Each Oil-Retaining Joint
Structural weld qualification and oil tightne…
Leggi l'articolo completoTransformer Tank Salt-Spray Tests Do Not Predict Service Life
A salt-spray duration is a test exposure, not…
Leggi l'articolo completoTrace Transformer Tank Coating to Its Serial Number
A batch record is useful when it identifies w…
Leggi l'articolo completoTransformer Cooling Fins: Keep Painted Air Passages Open
A coating defect can change an air passage as…
Leggi l'articolo completoPaint Repair on Oil-Contaminated Transformer Tank Steel
A clean-looking surface can become oily again…
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