The Joint Region: A Small Volume with a Different Magnetic Job
Most of the steel follows a relatively orderl…
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Technical Library
Practical engineering articles for transformer-core selection, design and production.
324 articles
Why Large-Core Loss Predictions Need More Than a Size Multiplier
A larger core does not automatically have a w…
Read full articleWhy Calculated Core Loss and Measured Loss Do Not Match Exactly
Before adjusting the building factor, check w…
Read full articleWhere the Magnetic Advantage Is Lost Along the Manufacturing Route
A loss budget can disappear without a single …
Read full articleEU Ecodesign: Start the Core RFQ with the Transformer Requirement
"Ecodesign compliant" on a core quotation lea…
Read full articleDOE Efficiency Requirements: Translating the Rule into a Core Loss Budget
"DOE compliant steel" is not a complete procu…
Read full articleWhole-Core Shipment or Yoke Removal: Where Will Precision Be Rebuilt?
Shipping the core intact preserves an assembl…
Read full articleTransporting a Large Core Is an Engineering Decision
The cheapest route can require the one handli…
Read full articleThe Hidden Constraint in a Large Complete Assembled Core
Where is the large core being held straight? …
Read full articleAn 18-Tonne Core Is Not a One-Tonne Core Enlarged
An 18-tonne core can meet every local measure…
Read full articleWhy the Highest GOES Grade May Not Be the Best Transformer Design
Suppose the lowest-loss GOES is approved. Wha…
Read full articleB800: A Useful Material Indicator, Not an Operating Prescription
B800 is a point on a characteristic. It is no…
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Engineering reference notes
Short reference notes complement the full published articles.