Three-Limb versus Five-Limb Cores: Start with the Flux Return Path
A three-limb core and a five-limb core differ…
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Where Core Suppliers Really Differ When Steel and Machines Look Similar
Give two suppliers the same drawing change ha…
Read full articleAutomation Can Repeat the Wrong Core Recipe Very Precisely
An automated line can reproduce a wrong packe…
Read full articleMore Finished-Core Data Is Useful Only If It Changes a Decision
Would another twenty columns in the supplier …
Read full articleHow Efficiency Requirements Change the Core-Supplier Conversation
A tighter transformer loss budget changes wha…
Read full articleThe Cost of Optimizing Only for Minimum No-Load Loss
The lowest no-load-loss design is not necessa…
Read full articleCore-Loss Margin: Name the Uncertainty Before Adding the Allowance
What does the loss margin cover that the buil…
Read full articleNo-Load Loss and Exciting Current Measure Different Things
Watts describe energy dissipation. RMS ampere…
Read full articleExciting Current: Read the Denominator Before the Percentage
An exciting-current percentage is incomplete …
Read full articleLow-Flux Testing: Useful Evidence with a Different Boundary
A low-voltage diagnostic result should not be…
Read full articleWhy an Approved 110% Excitation Point Can Be So Revealing
Suppose two cores agree near the reference po…
Read full articleOver-Fluxing Is a V/f and Magnetic-Circuit Question
Rated voltage does not establish rated flux w…
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