Average W/kg Can Hide a Local Problem
A core can have an acceptable average loss wh…
Ler artigo completoBIBLIOTECARecursos de engenharia
Ensaios, normas e especificações
Artigos de engenharia aplicados à seleção, ao projeto e à produção de núcleos de transformadores.
65 artigos
A No-Load Loss Failure at Transformer FAT
FAT has found excessive no-load loss. The inv…
Ler artigo completoWhat 90%, 100% and 110% Excitation Can Reveal
One excitation point gives you a result. Seve…
Ler artigo completoHigh Measured Loss: Start with the Measurement Boundary
Before ordering a different CRGO grade, repea…
Ler artigo completoNormal Loss, High Exciting Current: Where to Start
The watts are acceptable. The exciting curren…
Ler artigo completoOne Joint-Gap Reading Cannot Represent a Whole Stack
The inspection sheet shows one joint-gap valu…
Ler artigo completoA Factory Pass Does Not Freeze the Core for Transport
A magnetic test report records a condition at…
Ler artigo completoWhen a Lift Changes the Test Result
A core passes before lifting and reads differ…
Ler artigo completoWhat a First Trial Order Should Prove
Do not spend the first trial order proving on…
Ler artigo completoA Supplier Audit Should Follow One Core Backwards
Skip the second tour of the cutting line. Cho…
Ler artigo completoWhat Should the Core Supplier Actually Guarantee?
"We guarantee the material" and "we guarantee…
Ler artigo completoTransformer Core Procurement: From Steel Mass to Performance
Your purchase order counts kilograms. Your tr…
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