Average W/kg Can Hide a Local Problem
A core can have an acceptable average loss wh…
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Essais, normes et spécifications
Articles techniques pratiques sur la sélection, la conception et la fabrication des noyaux de transformateurs.
65 articles
A No-Load Loss Failure at Transformer FAT
FAT has found excessive no-load loss. The inv…
Lire l’article completWhat 90%, 100% and 110% Excitation Can Reveal
One excitation point gives you a result. Seve…
Lire l’article completHigh Measured Loss: Start with the Measurement Boundary
Before ordering a different CRGO grade, repea…
Lire l’article completNormal Loss, High Exciting Current: Where to Start
The watts are acceptable. The exciting curren…
Lire l’article completOne Joint-Gap Reading Cannot Represent a Whole Stack
The inspection sheet shows one joint-gap valu…
Lire l’article completA Factory Pass Does Not Freeze the Core for Transport
A magnetic test report records a condition at…
Lire l’article completWhen a Lift Changes the Test Result
A core passes before lifting and reads differ…
Lire l’article completWhat a First Trial Order Should Prove
Do not spend the first trial order proving on…
Lire l’article completA Supplier Audit Should Follow One Core Backwards
Skip the second tour of the cutting line. Cho…
Lire l’article completWhat Should the Core Supplier Actually Guarantee?
"We guarantee the material" and "we guarantee…
Lire l’article completTransformer Core Procurement: From Steel Mass to Performance
Your purchase order counts kilograms. Your tr…
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