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