Stacking Factor: The Area Error That Changes the Operating Point
A stacking-factor assumption enters the magne…
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Practical engineering articles for transformer-core selection, design and production.
1,317 articles
Core Diameter and Effective Area Are Not Interchangeable
Which diameter is on the drawing: the physica…
Read full articleLimb Centre Distance: Small Errors, Different Assembly Consequences
Two centre-distance deviations of the same ma…
Read full articleWindow Size Means Usable Winding Clearance, Not Just Two Dimensions
A winding can fit the nominal window and stil…
Read full articleLarge-Core Dimensional Chains: Why Every Part Can Pass and the Assembly Still Miss
Every dimension on the inspection sheet is gr…
Read full articleFour Quality Decisions That Should Not Be Collapsed into One
A core can be cosmetically acceptable, dimens…
Read full articleWhy a Visually Perfect Core Still Needs Magnetic Evaluation
Would a photograph of a core tell you which o…
Read full articleWhite Spots and Scratches: Diagnose the Surface Before Naming the Defect
A white spot on a GOES sheet is a location to…
Read full articleInsulation Coating Is a Measured Function, Not a Yes-or-No Feature
"Both sides coated" leaves the most useful co…
Read full articleSurface Rust on GOES: What Should Decide the Disposition?
Colour is a poor acceptance criterion for a r…
Read full articleThe Sea-Freight Risk That Can Begin When the Package Is Opened
The voyage can finish without visible water i…
Read full articlePackaging Must Preserve the Core, Not Merely Contain It
An intact crate can surround a core that no l…
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Engineering reference notes
Short reference notes complement the full published articles.