The Cost of Optimizing Only for Minimum No-Load Loss
The lowest no-load-loss design is not necessa…
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Conception des noyaux et performances magnétiques
Articles techniques pratiques sur la sélection, la conception et la fabrication des noyaux de transformateurs.
65 articles
Core-Loss Margin: Name the Uncertainty Before Adding the Allowance
What does the loss margin cover that the buil…
Lire l’article completNo-Load Loss and Exciting Current Measure Different Things
Watts describe energy dissipation. RMS ampere…
Lire l’article completWhy an Approved 110% Excitation Point Can Be So Revealing
Suppose two cores agree near the reference po…
Lire l’article completOver-Fluxing Is a V/f and Magnetic-Circuit Question
Rated voltage does not establish rated flux w…
Lire l’article completStacking Factor: The Area Error That Changes the Operating Point
A stacking-factor assumption enters the magne…
Lire l’article completCore Diameter and Effective Area Are Not Interchangeable
Which diameter is on the drawing: the physica…
Lire l’article completLimb Centre Distance: Small Errors, Different Assembly Consequences
Two centre-distance deviations of the same ma…
Lire l’article completWindow Size Means Usable Winding Clearance, Not Just Two Dimensions
A winding can fit the nominal window and stil…
Lire l’article completLarge-Core Dimensional Chains: Why Every Part Can Pass and the Assembly Still Miss
Every dimension on the inspection sheet is gr…
Lire l’article completStanding and Flat Core Handling Need Different Mechanical Assumptions
A stack that is stable on a building table ha…
Lire l’article completWhich Core Tolerances Are Worth Tightening?
Tolerance should follow sensitivity. A critic…
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