Demagnetization before Diagnostic Testing: What It Changes
Demagnetization changes the magnetic starting…
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Bibliothèque technique
Articles techniques pratiques sur la sélection, la conception et la fabrication des noyaux de transformateurs.
1,317 articles
Residual Flux in Three-Phase Cores: Constraints between Limbs
Residual flux values in a three-phase transfo…
Lire l’article completRemanence and Switching Angle: Joint Inputs to Inrush Prediction
Remanence and closing angle act together in a…
Lire l’article completHysteresis Loops for Transformer Studies: Major and Minor Loops
A major hysteresis loop and a minor loop answ…
Lire l’article completResidual Flux after De-Energization: A State, Not a Material Constant
Residual flux after de-energization is the ma…
Lire l’article completReturn-Limb Saturation during Unbalanced Operation
Return-limb saturation during unbalanced oper…
Lire l’article completZero-Sequence Inductance versus Operating Level
Zero-sequence inductance is meaningful only w…
Lire l’article completTank Heating from Unbalanced Magnetic Excitation: Evidence to Request
Unbalanced magnetic excitation can send flux …
Lire l’article completSingle-Phase Excitation of a Three-Phase Core: Interpret the Magnetic Boundary
Single-phase excitation of a three-phase core…
Lire l’article completCore Topology and Ground-Fault Studies: When Magnetic Detail Is Needed
Magnetic detail is needed in a ground-fault s…
Lire l’article completDelta Windings and Triplen Flux: Separate Electrical and Magnetic Paths
A delta winding provides an electrical circui…
Lire l’article completUnbalanced Phase Voltages: Comparing Limb Flux Waveforms
Compare limb flux under unbalanced voltage by…
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